{ "title": "Japan's yen-buying FX interventions and USD/JPY afterwards", "generated": "2026-11-12T16:57Z", "record_coverage": "MoF daily record April 1991 - 2026-09-30 (quarterly release 2026-11-09); monthly release 2026-09-29..2026-10-28 = 0; 2026-10-29 onward not yet published", "disclaimer": "Research, not trade advice. Descriptive statistics on small samples (n stated per figure).", "sources": { "events": { "name": "Ministry of Finance Japan, Foreign Exchange Intervention Operations", "url": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv", "license": "Public Data License 1.0 (https://www.mof.go.jp/english/about_mof/notice/index.html)" }, "daily_prices": { "name": "Board of Governors of the Federal Reserve System, H.10 (FRED series DEXJPUS), noon New York", "url": "https://fred.stlouisfed.org/series/DEXJPUS", "license": "public domain" }, "intraday": { "name": "Derived by RVRS from OANDA v20 USD_JPY 1-minute mid candles (raw candles not redistributed)", "note": "only % / yen changes from our anchor, retracement ratios and normalised paths are published; no absolute intraday price levels" }, "timing_and_suspected": "press reports; URL per row" }, "fields": { "path_pct": "% change from pre-intervention level, every 30 min from -6 h to +144 h (summary.path_axis_hours)", "intraday": "moves are relative to our pre-intervention anchor; absolute intraday price levels are deliberately not published", "horizons.hN": "calendar hours after anchor; stale_weekend = horizon fell in the weekend close", "daily.dK": "Fed noon NY fix K business days after; d0 vs previous business day" }, "events": [ { "id": 1, "date": "1991-05-13", "weekday": "Monday", "weekday_n": 0, "days_since_prev": null, "amount_jpy_bn": 13.9, "amount_usd_bn_est": 0.1, "usd_conv_rate": 139.42, "usd_conv_rate_date": "1991-05-13", "pair": "USD sold / JPY bought", "episode": 1, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1991-05-13)", "era": "1991", "episode_size": 1, "n_in_episode": 1, "daily": { "base_date": "1991-05-10", "base": 138.75, "d0": { "date": "1991-05-13", "px": 139.42, "pct": 0.483, "yen": 0.67 }, "d1": { "date": "1991-05-14", "px": 138.15, "pct": -0.432, "yen": -0.6 }, "d2": { "date": "1991-05-15", "px": 137.99, "pct": -0.548, "yen": -0.76 }, "d3": { "date": "1991-05-16", "px": 137.55, "pct": -0.865, "yen": -1.2 }, "d4": { "date": "1991-05-17", "px": 138.5, "pct": -0.18, "yen": -0.25 }, "d5": { "date": "1991-05-20", "px": 138.22, "pct": -0.382, "yen": -0.53 }, "d6": { "date": "1991-05-21", "px": 137.5, "pct": -0.901, "yen": -1.25 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 2, "date": "1991-06-10", "weekday": "Monday", "weekday_n": 0, "days_since_prev": 28, "amount_jpy_bn": 21.1, "amount_usd_bn_est": 0.15, "usd_conv_rate": 141.9, "usd_conv_rate_date": "1991-06-10", "pair": "USD sold / JPY bought", "episode": 2, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1991-06-10)", "era": "1991", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "1991-06-07", "base": 140.31, "d0": { "date": "1991-06-10", "px": 141.9, "pct": 1.133, "yen": 1.59 }, "d1": { "date": "1991-06-11", "px": 141.2, "pct": 0.634, "yen": 0.89 }, "d2": { "date": "1991-06-12", "px": 141.9, "pct": 1.133, "yen": 1.59 }, "d3": { "date": "1991-06-13", "px": 141.33, "pct": 0.727, "yen": 1.02 }, "d4": { "date": "1991-06-14", "px": 140.55, "pct": 0.171, "yen": 0.24 }, "d5": { "date": "1991-06-17", "px": 140.97, "pct": 0.47, "yen": 0.66 }, "d6": { "date": "1991-06-18", "px": 140.9, "pct": 0.42, "yen": 0.59 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 3, "date": "1991-06-13", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 3, "amount_jpy_bn": 21.3, "amount_usd_bn_est": 0.15, "usd_conv_rate": 141.33, "usd_conv_rate_date": "1991-06-13", "pair": "USD sold / JPY bought", "episode": 2, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1991-06-13)", "era": "1991", "episode_size": 2, "n_in_episode": 2, "daily": { "base_date": "1991-06-12", "base": 141.9, "d0": { "date": "1991-06-13", "px": 141.33, "pct": -0.402, "yen": -0.57 }, "d1": { "date": "1991-06-14", "px": 140.55, "pct": -0.951, "yen": -1.35 }, "d2": { "date": "1991-06-17", "px": 140.97, "pct": -0.655, "yen": -0.93 }, "d3": { "date": "1991-06-18", "px": 140.9, "pct": -0.705, "yen": -1.0 }, "d4": { "date": "1991-06-19", "px": 140.08, "pct": -1.283, "yen": -1.82 }, "d5": { "date": "1991-06-20", "px": 138.74, "pct": -2.227, "yen": -3.16 }, "d6": { "date": "1991-06-21", "px": 139.0, "pct": -2.044, "yen": -2.9 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 4, "date": "1992-01-17", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 218, "amount_jpy_bn": 6.3, "amount_usd_bn_est": 0.05, "usd_conv_rate": 127.45, "usd_conv_rate_date": "1992-01-17", "pair": "USD sold / JPY bought", "episode": 3, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-01-17)", "era": "1992", "episode_size": 1, "n_in_episode": 1, "daily": { "base_date": "1992-01-16", "base": 128.28, "d0": { "date": "1992-01-17", "px": 127.45, "pct": -0.647, "yen": -0.83 }, "d1": { "date": "1992-01-21", "px": 123.2, "pct": -3.96, "yen": -5.08 }, "d2": { "date": "1992-01-22", "px": 123.22, "pct": -3.944, "yen": -5.06 }, "d3": { "date": "1992-01-23", "px": 123.9, "pct": -3.414, "yen": -4.38 }, "d4": { "date": "1992-01-24", "px": 123.42, "pct": -3.789, "yen": -4.86 }, "d5": { "date": "1992-01-27", "px": 125.4, "pct": -2.245, "yen": -2.88 }, "d6": { "date": "1992-01-28", "px": 125.62, "pct": -2.074, "yen": -2.66 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 5, "date": "1992-02-17", "weekday": "Monday", "weekday_n": 0, "days_since_prev": 31, "amount_jpy_bn": 12.7, "amount_usd_bn_est": 0.1, "usd_conv_rate": 127.93, "usd_conv_rate_date": "1992-02-14", "pair": "USD sold / JPY bought", "episode": 4, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-02-17)", "era": "1992", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "1992-02-14", "base": 127.93, "d0": { "date": "1992-02-18", "px": 128.0, "pct": 0.055, "yen": 0.07 }, "d1": { "date": "1992-02-19", "px": 128.4, "pct": 0.367, "yen": 0.47 }, "d2": { "date": "1992-02-20", "px": 128.65, "pct": 0.563, "yen": 0.72 }, "d3": { "date": "1992-02-21", "px": 128.72, "pct": 0.618, "yen": 0.79 }, "d4": { "date": "1992-02-24", "px": 129.1, "pct": 0.915, "yen": 1.17 }, "d5": { "date": "1992-02-25", "px": 129.45, "pct": 1.188, "yen": 1.52 }, "d6": { "date": "1992-02-26", "px": 129.68, "pct": 1.368, "yen": 1.75 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 6, "date": "1992-02-20", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 3, "amount_jpy_bn": 76.9, "amount_usd_bn_est": 0.6, "usd_conv_rate": 128.65, "usd_conv_rate_date": "1992-02-20", "pair": "USD sold / JPY bought", "episode": 4, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-02-20)", "era": "1992", "episode_size": 2, "n_in_episode": 2, "daily": { "base_date": "1992-02-19", "base": 128.4, "d0": { "date": "1992-02-20", "px": 128.65, "pct": 0.195, "yen": 0.25 }, "d1": { "date": "1992-02-21", "px": 128.72, "pct": 0.249, "yen": 0.32 }, "d2": { "date": "1992-02-24", "px": 129.1, "pct": 0.545, "yen": 0.7 }, "d3": { "date": "1992-02-25", "px": 129.45, "pct": 0.818, "yen": 1.05 }, "d4": { "date": "1992-02-26", "px": 129.68, "pct": 0.997, "yen": 1.28 }, "d5": { "date": "1992-02-27", "px": 129.41, "pct": 0.787, "yen": 1.01 }, "d6": { "date": "1992-02-28", "px": 129.15, "pct": 0.584, "yen": 0.75 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 7, "date": "1992-03-04", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 13, "amount_jpy_bn": 13.8, "amount_usd_bn_est": 0.1, "usd_conv_rate": 132.11, "usd_conv_rate_date": "1992-03-04", "pair": "USD sold / JPY bought", "episode": 5, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-03-04)", "era": "1992", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "1992-03-03", "base": 130.84, "d0": { "date": "1992-03-04", "px": 132.11, "pct": 0.971, "yen": 1.27 }, "d1": { "date": "1992-03-05", "px": 131.85, "pct": 0.772, "yen": 1.01 }, "d2": { "date": "1992-03-06", "px": 131.76, "pct": 0.703, "yen": 0.92 }, "d3": { "date": "1992-03-09", "px": 131.92, "pct": 0.825, "yen": 1.08 }, "d4": { "date": "1992-03-10", "px": 132.88, "pct": 1.559, "yen": 2.04 }, "d5": { "date": "1992-03-11", "px": 133.45, "pct": 1.995, "yen": 2.61 }, "d6": { "date": "1992-03-12", "px": 134.25, "pct": 2.606, "yen": 3.41 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 8, "date": "1992-03-11", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 7, "amount_jpy_bn": 24.9, "amount_usd_bn_est": 0.19, "usd_conv_rate": 133.45, "usd_conv_rate_date": "1992-03-11", "pair": "USD sold / JPY bought", "episode": 5, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-03-11)", "era": "1992", "episode_size": 2, "n_in_episode": 2, "daily": { "base_date": "1992-03-10", "base": 132.88, "d0": { "date": "1992-03-11", "px": 133.45, "pct": 0.429, "yen": 0.57 }, "d1": { "date": "1992-03-12", "px": 134.25, "pct": 1.031, "yen": 1.37 }, "d2": { "date": "1992-03-13", "px": 133.6, "pct": 0.542, "yen": 0.72 }, "d3": { "date": "1992-03-16", "px": 133.98, "pct": 0.828, "yen": 1.1 }, "d4": { "date": "1992-03-17", "px": 133.45, "pct": 0.429, "yen": 0.57 }, "d5": { "date": "1992-03-18", "px": 132.05, "pct": -0.625, "yen": -0.83 }, "d6": { "date": "1992-03-19", "px": 133.27, "pct": 0.293, "yen": 0.39 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 9, "date": "1992-04-01", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 21, "amount_jpy_bn": 36.7, "amount_usd_bn_est": 0.27, "usd_conv_rate": 134.5, "usd_conv_rate_date": "1992-04-01", "pair": "USD sold / JPY bought", "episode": 6, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-04-01)", "era": "1992", "episode_size": 1, "n_in_episode": 1, "daily": { "base_date": "1992-03-31", "base": 132.92, "d0": { "date": "1992-04-01", "px": 134.5, "pct": 1.189, "yen": 1.58 }, "d1": { "date": "1992-04-02", "px": 133.83, "pct": 0.685, "yen": 0.91 }, "d2": { "date": "1992-04-03", "px": 133.25, "pct": 0.248, "yen": 0.33 }, "d3": { "date": "1992-04-06", "px": 132.72, "pct": -0.15, "yen": -0.2 }, "d4": { "date": "1992-04-07", "px": 133.28, "pct": 0.271, "yen": 0.36 }, "d5": { "date": "1992-04-08", "px": 132.6, "pct": -0.241, "yen": -0.32 }, "d6": { "date": "1992-04-09", "px": 132.23, "pct": -0.519, "yen": -0.69 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 10, "date": "1992-04-27", "weekday": "Monday", "weekday_n": 0, "days_since_prev": 26, "amount_jpy_bn": 73.8, "amount_usd_bn_est": 0.55, "usd_conv_rate": 133.13, "usd_conv_rate_date": "1992-04-27", "pair": "USD sold / JPY bought", "episode": 7, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-04-27)", "era": "1992", "episode_size": 3, "n_in_episode": 1, "daily": { "base_date": "1992-04-24", "base": 134.53, "d0": { "date": "1992-04-27", "px": 133.13, "pct": -1.041, "yen": -1.4 }, "d1": { "date": "1992-04-28", "px": 133.33, "pct": -0.892, "yen": -1.2 }, "d2": { "date": "1992-04-29", "px": 133.5, "pct": -0.766, "yen": -1.03 }, "d3": { "date": "1992-04-30", "px": 133.3, "pct": -0.914, "yen": -1.23 }, "d4": { "date": "1992-05-01", "px": 132.75, "pct": -1.323, "yen": -1.78 }, "d5": { "date": "1992-05-04", "px": 132.7, "pct": -1.36, "yen": -1.83 }, "d6": { "date": "1992-05-05", "px": 133.07, "pct": -1.085, "yen": -1.46 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 11, "date": "1992-04-28", "weekday": "Tuesday", "weekday_n": 1, "days_since_prev": 1, "amount_jpy_bn": 73.1, "amount_usd_bn_est": 0.55, "usd_conv_rate": 133.33, "usd_conv_rate_date": "1992-04-28", "pair": "USD sold / JPY bought", "episode": 7, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-04-28)", "era": "1992", "episode_size": 3, "n_in_episode": 2, "daily": { "base_date": "1992-04-27", "base": 133.13, "d0": { "date": "1992-04-28", "px": 133.33, "pct": 0.15, "yen": 0.2 }, "d1": { "date": "1992-04-29", "px": 133.5, "pct": 0.278, "yen": 0.37 }, "d2": { "date": "1992-04-30", "px": 133.3, "pct": 0.128, "yen": 0.17 }, "d3": { "date": "1992-05-01", "px": 132.75, "pct": -0.285, "yen": -0.38 }, "d4": { "date": "1992-05-04", "px": 132.7, "pct": -0.323, "yen": -0.43 }, "d5": { "date": "1992-05-05", "px": 133.07, "pct": -0.045, "yen": -0.06 }, "d6": { "date": "1992-05-06", "px": 132.5, "pct": -0.473, "yen": -0.63 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 12, "date": "1992-04-30", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 2, "amount_jpy_bn": 20.0, "amount_usd_bn_est": 0.15, "usd_conv_rate": 133.3, "usd_conv_rate_date": "1992-04-30", "pair": "USD sold / JPY bought", "episode": 7, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-04-30)", "era": "1992", "episode_size": 3, "n_in_episode": 3, "daily": { "base_date": "1992-04-29", "base": 133.5, "d0": { "date": "1992-04-30", "px": 133.3, "pct": -0.15, "yen": -0.2 }, "d1": { "date": "1992-05-01", "px": 132.75, "pct": -0.562, "yen": -0.75 }, "d2": { "date": "1992-05-04", "px": 132.7, "pct": -0.599, "yen": -0.8 }, "d3": { "date": "1992-05-05", "px": 133.07, "pct": -0.322, "yen": -0.43 }, "d4": { "date": "1992-05-06", "px": 132.5, "pct": -0.749, "yen": -1.0 }, "d5": { "date": "1992-05-07", "px": 132.7, "pct": -0.599, "yen": -0.8 }, "d6": { "date": "1992-05-08", "px": 133.4, "pct": -0.075, "yen": -0.1 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 13, "date": "1992-05-22", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 22, "amount_jpy_bn": 52.0, "amount_usd_bn_est": 0.4, "usd_conv_rate": 129.4, "usd_conv_rate_date": "1992-05-22", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-05-22)", "era": "1992", "episode_size": 8, "n_in_episode": 1, "daily": { "base_date": "1992-05-21", "base": 130.25, "d0": { "date": "1992-05-22", "px": 129.4, "pct": -0.653, "yen": -0.85 }, "d1": { "date": "1992-05-26", "px": 129.33, "pct": -0.706, "yen": -0.92 }, "d2": { "date": "1992-05-27", "px": 129.95, "pct": -0.23, "yen": -0.3 }, "d3": { "date": "1992-05-28", "px": 129.62, "pct": -0.484, "yen": -0.63 }, "d4": { "date": "1992-05-29", "px": 127.75, "pct": -1.919, "yen": -2.5 }, "d5": { "date": "1992-06-01", "px": 127.45, "pct": -2.15, "yen": -2.8 }, "d6": { "date": "1992-06-02", "px": 127.53, "pct": -2.088, "yen": -2.72 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 14, "date": "1992-05-27", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 5, "amount_jpy_bn": 32.4, "amount_usd_bn_est": 0.25, "usd_conv_rate": 129.95, "usd_conv_rate_date": "1992-05-27", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-05-27)", "era": "1992", "episode_size": 8, "n_in_episode": 2, "daily": { "base_date": "1992-05-26", "base": 129.33, "d0": { "date": "1992-05-27", "px": 129.95, "pct": 0.479, "yen": 0.62 }, "d1": { "date": "1992-05-28", "px": 129.62, "pct": 0.224, "yen": 0.29 }, "d2": { "date": "1992-05-29", "px": 127.75, "pct": -1.222, "yen": -1.58 }, "d3": { "date": "1992-06-01", "px": 127.45, "pct": -1.454, "yen": -1.88 }, "d4": { "date": "1992-06-02", "px": 127.53, "pct": -1.392, "yen": -1.8 }, "d5": { "date": "1992-06-03", "px": 127.8, "pct": -1.183, "yen": -1.53 }, "d6": { "date": "1992-06-04", "px": 127.57, "pct": -1.361, "yen": -1.76 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 15, "date": "1992-05-28", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 1, "amount_jpy_bn": 50.7, "amount_usd_bn_est": 0.39, "usd_conv_rate": 129.62, "usd_conv_rate_date": "1992-05-28", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-05-28)", "era": "1992", "episode_size": 8, "n_in_episode": 3, "daily": { "base_date": "1992-05-27", "base": 129.95, "d0": { "date": "1992-05-28", "px": 129.62, "pct": -0.254, "yen": -0.33 }, "d1": { "date": "1992-05-29", "px": 127.75, "pct": -1.693, "yen": -2.2 }, "d2": { "date": "1992-06-01", "px": 127.45, "pct": -1.924, "yen": -2.5 }, "d3": { "date": "1992-06-02", "px": 127.53, "pct": -1.862, "yen": -2.42 }, "d4": { "date": "1992-06-03", "px": 127.8, "pct": -1.654, "yen": -2.15 }, "d5": { "date": "1992-06-04", "px": 127.57, "pct": -1.831, "yen": -2.38 }, "d6": { "date": "1992-06-05", "px": 126.8, "pct": -2.424, "yen": -3.15 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 16, "date": "1992-05-29", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 1, "amount_jpy_bn": 32.2, "amount_usd_bn_est": 0.25, "usd_conv_rate": 127.75, "usd_conv_rate_date": "1992-05-29", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-05-29)", "era": "1992", "episode_size": 8, "n_in_episode": 4, "daily": { "base_date": "1992-05-28", "base": 129.62, "d0": { "date": "1992-05-29", "px": 127.75, "pct": -1.443, "yen": -1.87 }, "d1": { "date": "1992-06-01", "px": 127.45, "pct": -1.674, "yen": -2.17 }, "d2": { "date": "1992-06-02", "px": 127.53, "pct": -1.612, "yen": -2.09 }, "d3": { "date": "1992-06-03", "px": 127.8, "pct": -1.404, "yen": -1.82 }, "d4": { "date": "1992-06-04", "px": 127.57, "pct": -1.582, "yen": -2.05 }, "d5": { "date": "1992-06-05", "px": 126.8, "pct": -2.176, "yen": -2.82 }, "d6": { "date": "1992-06-08", "px": 127.2, "pct": -1.867, "yen": -2.42 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 17, "date": "1992-06-02", "weekday": "Tuesday", "weekday_n": 1, "days_since_prev": 4, "amount_jpy_bn": 42.0, "amount_usd_bn_est": 0.33, "usd_conv_rate": 127.53, "usd_conv_rate_date": "1992-06-02", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-06-02)", "era": "1992", "episode_size": 8, "n_in_episode": 5, "daily": { "base_date": "1992-06-01", "base": 127.45, "d0": { "date": "1992-06-02", "px": 127.53, "pct": 0.063, "yen": 0.08 }, "d1": { "date": "1992-06-03", "px": 127.8, "pct": 0.275, "yen": 0.35 }, "d2": { "date": "1992-06-04", "px": 127.57, "pct": 0.094, "yen": 0.12 }, "d3": { "date": "1992-06-05", "px": 126.8, "pct": -0.51, "yen": -0.65 }, "d4": { "date": "1992-06-08", "px": 127.2, "pct": -0.196, "yen": -0.25 }, "d5": { "date": "1992-06-09", "px": 127.55, "pct": 0.078, "yen": 0.1 }, "d6": { "date": "1992-06-10", "px": 127.65, "pct": 0.157, "yen": 0.2 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 18, "date": "1992-06-03", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 1, "amount_jpy_bn": 30.5, "amount_usd_bn_est": 0.24, "usd_conv_rate": 127.8, "usd_conv_rate_date": "1992-06-03", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-06-03)", "era": "1992", "episode_size": 8, "n_in_episode": 6, "daily": { "base_date": "1992-06-02", "base": 127.53, "d0": { "date": "1992-06-03", "px": 127.8, "pct": 0.212, "yen": 0.27 }, "d1": { "date": "1992-06-04", "px": 127.57, "pct": 0.031, "yen": 0.04 }, "d2": { "date": "1992-06-05", "px": 126.8, "pct": -0.572, "yen": -0.73 }, "d3": { "date": "1992-06-08", "px": 127.2, "pct": -0.259, "yen": -0.33 }, "d4": { "date": "1992-06-09", "px": 127.55, "pct": 0.016, "yen": 0.02 }, "d5": { "date": "1992-06-10", "px": 127.65, "pct": 0.094, "yen": 0.12 }, "d6": { "date": "1992-06-11", "px": 126.75, "pct": -0.612, "yen": -0.78 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 19, "date": "1992-06-04", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 1, "amount_jpy_bn": 17.8, "amount_usd_bn_est": 0.14, "usd_conv_rate": 127.57, "usd_conv_rate_date": "1992-06-04", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-06-04)", "era": "1992", "episode_size": 8, "n_in_episode": 7, "daily": { "base_date": "1992-06-03", "base": 127.8, "d0": { "date": "1992-06-04", "px": 127.57, "pct": -0.18, "yen": -0.23 }, "d1": { "date": "1992-06-05", "px": 126.8, "pct": -0.782, "yen": -1.0 }, "d2": { "date": "1992-06-08", "px": 127.2, "pct": -0.469, "yen": -0.6 }, "d3": { "date": "1992-06-09", "px": 127.55, "pct": -0.196, "yen": -0.25 }, "d4": { "date": "1992-06-10", "px": 127.65, "pct": -0.117, "yen": -0.15 }, "d5": { "date": "1992-06-11", "px": 126.75, "pct": -0.822, "yen": -1.05 }, "d6": { "date": "1992-06-12", "px": 126.65, "pct": -0.9, "yen": -1.15 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 20, "date": "1992-06-10", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 6, "amount_jpy_bn": 19.2, "amount_usd_bn_est": 0.15, "usd_conv_rate": 127.65, "usd_conv_rate_date": "1992-06-10", "pair": "USD sold / JPY bought", "episode": 8, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-06-10)", "era": "1992", "episode_size": 8, "n_in_episode": 8, "daily": { "base_date": "1992-06-09", "base": 127.55, "d0": { "date": "1992-06-10", "px": 127.65, "pct": 0.078, "yen": 0.1 }, "d1": { "date": "1992-06-11", "px": 126.75, "pct": -0.627, "yen": -0.8 }, "d2": { "date": "1992-06-12", "px": 126.65, "pct": -0.706, "yen": -0.9 }, "d3": { "date": "1992-06-15", "px": 126.8, "pct": -0.588, "yen": -0.75 }, "d4": { "date": "1992-06-16", "px": 126.7, "pct": -0.666, "yen": -0.85 }, "d5": { "date": "1992-06-17", "px": 127.05, "pct": -0.392, "yen": -0.5 }, "d6": { "date": "1992-06-18", "px": 126.65, "pct": -0.706, "yen": -0.9 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 21, "date": "1992-06-18", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 8, "amount_jpy_bn": 25.5, "amount_usd_bn_est": 0.2, "usd_conv_rate": 126.65, "usd_conv_rate_date": "1992-06-18", "pair": "USD sold / JPY bought", "episode": 9, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-06-18)", "era": "1992", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "1992-06-17", "base": 127.05, "d0": { "date": "1992-06-18", "px": 126.65, "pct": -0.315, "yen": -0.4 }, "d1": { "date": "1992-06-19", "px": 126.93, "pct": -0.094, "yen": -0.12 }, "d2": { "date": "1992-06-22", "px": 127.1, "pct": 0.039, "yen": 0.05 }, "d3": { "date": "1992-06-23", "px": 127.23, "pct": 0.142, "yen": 0.18 }, "d4": { "date": "1992-06-24", "px": 126.68, "pct": -0.291, "yen": -0.37 }, "d5": { "date": "1992-06-25", "px": 125.45, "pct": -1.259, "yen": -1.6 }, "d6": { "date": "1992-06-26", "px": 125.72, "pct": -1.047, "yen": -1.33 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 22, "date": "1992-06-25", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 7, "amount_jpy_bn": 12.7, "amount_usd_bn_est": 0.1, "usd_conv_rate": 125.45, "usd_conv_rate_date": "1992-06-25", "pair": "USD sold / JPY bought", "episode": 9, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-06-25)", "era": "1992", "episode_size": 2, "n_in_episode": 2, "daily": { "base_date": "1992-06-24", "base": 126.68, "d0": { "date": "1992-06-25", "px": 125.45, "pct": -0.971, "yen": -1.23 }, "d1": { "date": "1992-06-26", "px": 125.72, "pct": -0.758, "yen": -0.96 }, "d2": { "date": "1992-06-29", "px": 125.25, "pct": -1.129, "yen": -1.43 }, "d3": { "date": "1992-06-30", "px": 125.87, "pct": -0.639, "yen": -0.81 }, "d4": { "date": "1992-07-01", "px": 124.92, "pct": -1.389, "yen": -1.76 }, "d5": { "date": "1992-07-02", "px": 124.6, "pct": -1.642, "yen": -2.08 }, "d6": { "date": "1992-07-03", "px": 124.8, "pct": -1.484, "yen": -1.88 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 23, "date": "1992-07-24", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 29, "amount_jpy_bn": 28.6, "amount_usd_bn_est": 0.22, "usd_conv_rate": 127.67, "usd_conv_rate_date": "1992-07-24", "pair": "USD sold / JPY bought", "episode": 10, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-07-24)", "era": "1992", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "1992-07-23", "base": 126.63, "d0": { "date": "1992-07-24", "px": 127.67, "pct": 0.821, "yen": 1.04 }, "d1": { "date": "1992-07-27", "px": 127.73, "pct": 0.869, "yen": 1.1 }, "d2": { "date": "1992-07-28", "px": 127.58, "pct": 0.75, "yen": 0.95 }, "d3": { "date": "1992-07-29", "px": 127.93, "pct": 1.027, "yen": 1.3 }, "d4": { "date": "1992-07-30", "px": 127.65, "pct": 0.805, "yen": 1.02 }, "d5": { "date": "1992-07-31", "px": 127.35, "pct": 0.569, "yen": 0.72 }, "d6": { "date": "1992-08-03", "px": 127.28, "pct": 0.513, "yen": 0.65 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 24, "date": "1992-07-27", "weekday": "Monday", "weekday_n": 0, "days_since_prev": 3, "amount_jpy_bn": 19.2, "amount_usd_bn_est": 0.15, "usd_conv_rate": 127.73, "usd_conv_rate_date": "1992-07-27", "pair": "USD sold / JPY bought", "episode": 10, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-07-27)", "era": "1992", "episode_size": 2, "n_in_episode": 2, "daily": { "base_date": "1992-07-24", "base": 127.67, "d0": { "date": "1992-07-27", "px": 127.73, "pct": 0.047, "yen": 0.06 }, "d1": { "date": "1992-07-28", "px": 127.58, "pct": -0.07, "yen": -0.09 }, "d2": { "date": "1992-07-29", "px": 127.93, "pct": 0.204, "yen": 0.26 }, "d3": { "date": "1992-07-30", "px": 127.65, "pct": -0.016, "yen": -0.02 }, "d4": { "date": "1992-07-31", "px": 127.35, "pct": -0.251, "yen": -0.32 }, "d5": { "date": "1992-08-03", "px": 127.28, "pct": -0.305, "yen": -0.39 }, "d6": { "date": "1992-08-04", "px": 127.25, "pct": -0.329, "yen": -0.42 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 25, "date": "1992-08-07", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 11, "amount_jpy_bn": 12.8, "amount_usd_bn_est": 0.1, "usd_conv_rate": 127.5, "usd_conv_rate_date": "1992-08-07", "pair": "USD sold / JPY bought", "episode": 11, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-08-07)", "era": "1992", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "1992-08-06", "base": 127.75, "d0": { "date": "1992-08-07", "px": 127.5, "pct": -0.196, "yen": -0.25 }, "d1": { "date": "1992-08-10", "px": 128.05, "pct": 0.235, "yen": 0.3 }, "d2": { "date": "1992-08-11", "px": 128.05, "pct": 0.235, "yen": 0.3 }, "d3": { "date": "1992-08-12", "px": 127.72, "pct": -0.023, "yen": -0.03 }, "d4": { "date": "1992-08-13", "px": 127.27, "pct": -0.376, "yen": -0.48 }, "d5": { "date": "1992-08-14", "px": 126.25, "pct": -1.174, "yen": -1.5 }, "d6": { "date": "1992-08-17", "px": 125.75, "pct": -1.566, "yen": -2.0 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 26, "date": "1992-08-11", "weekday": "Tuesday", "weekday_n": 1, "days_since_prev": 4, "amount_jpy_bn": 3.2, "amount_usd_bn_est": 0.02, "usd_conv_rate": 128.05, "usd_conv_rate_date": "1992-08-11", "pair": "USD sold / JPY bought", "episode": 11, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1992-08-11)", "era": "1992", "episode_size": 2, "n_in_episode": 2, "daily": { "base_date": "1992-08-10", "base": 128.05, "d0": { "date": "1992-08-11", "px": 128.05, "pct": 0.0, "yen": 0.0 }, "d1": { "date": "1992-08-12", "px": 127.72, "pct": -0.258, "yen": -0.33 }, "d2": { "date": "1992-08-13", "px": 127.27, "pct": -0.609, "yen": -0.78 }, "d3": { "date": "1992-08-14", "px": 126.25, "pct": -1.406, "yen": -1.8 }, "d4": { "date": "1992-08-17", "px": 125.75, "pct": -1.796, "yen": -2.3 }, "d5": { "date": "1992-08-18", "px": 126.25, "pct": -1.406, "yen": -1.8 }, "d6": { "date": "1992-08-19", "px": 126.3, "pct": -1.367, "yen": -1.75 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 27, "date": "1997-12-17", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 1954, "amount_jpy_bn": 280.4, "amount_usd_bn_est": 2.21, "usd_conv_rate": 127.0, "usd_conv_rate_date": "1997-12-17", "pair": "USD sold / JPY bought", "episode": 12, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1997-12-17)", "era": "1997", "episode_size": 3, "n_in_episode": 1, "daily": { "base_date": "1997-12-16", "base": 130.87, "d0": { "date": "1997-12-17", "px": 127.0, "pct": -2.957, "yen": -3.87 }, "d1": { "date": "1997-12-18", "px": 128.53, "pct": -1.788, "yen": -2.34 }, "d2": { "date": "1997-12-19", "px": 129.1, "pct": -1.352, "yen": -1.77 }, "d3": { "date": "1997-12-22", "px": 130.38, "pct": -0.374, "yen": -0.49 }, "d4": { "date": "1997-12-23", "px": 130.0, "pct": -0.665, "yen": -0.87 }, "d5": { "date": "1997-12-24", "px": 130.06, "pct": -0.619, "yen": -0.81 }, "d6": { "date": "1997-12-26", "px": 130.3, "pct": -0.436, "yen": -0.57 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 28, "date": "1997-12-18", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 1, "amount_jpy_bn": 76.4, "amount_usd_bn_est": 0.59, "usd_conv_rate": 128.53, "usd_conv_rate_date": "1997-12-18", "pair": "USD sold / JPY bought", "episode": 12, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1997-12-18)", "era": "1997", "episode_size": 3, "n_in_episode": 2, "daily": { "base_date": "1997-12-17", "base": 127.0, "d0": { "date": "1997-12-18", "px": 128.53, "pct": 1.205, "yen": 1.53 }, "d1": { "date": "1997-12-19", "px": 129.1, "pct": 1.654, "yen": 2.1 }, "d2": { "date": "1997-12-22", "px": 130.38, "pct": 2.661, "yen": 3.38 }, "d3": { "date": "1997-12-23", "px": 130.0, "pct": 2.362, "yen": 3.0 }, "d4": { "date": "1997-12-24", "px": 130.06, "pct": 2.409, "yen": 3.06 }, "d5": { "date": "1997-12-26", "px": 130.3, "pct": 2.598, "yen": 3.3 }, "d6": { "date": "1997-12-29", "px": 130.05, "pct": 2.402, "yen": 3.05 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 29, "date": "1997-12-19", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 1, "amount_jpy_bn": 702.3, "amount_usd_bn_est": 5.44, "usd_conv_rate": 129.1, "usd_conv_rate_date": "1997-12-19", "pair": "USD sold / JPY bought", "episode": 12, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1997-12-19)", "era": "1997", "episode_size": 3, "n_in_episode": 3, "daily": { "base_date": "1997-12-18", "base": 128.53, "d0": { "date": "1997-12-19", "px": 129.1, "pct": 0.443, "yen": 0.57 }, "d1": { "date": "1997-12-22", "px": 130.38, "pct": 1.439, "yen": 1.85 }, "d2": { "date": "1997-12-23", "px": 130.0, "pct": 1.144, "yen": 1.47 }, "d3": { "date": "1997-12-24", "px": 130.06, "pct": 1.19, "yen": 1.53 }, "d4": { "date": "1997-12-26", "px": 130.3, "pct": 1.377, "yen": 1.77 }, "d5": { "date": "1997-12-29", "px": 130.05, "pct": 1.183, "yen": 1.52 }, "d6": { "date": "1997-12-30", "px": 130.05, "pct": 1.183, "yen": 1.52 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 30, "date": "1998-04-09", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 111, "amount_jpy_bn": 195.7, "amount_usd_bn_est": 1.5, "usd_conv_rate": 130.21, "usd_conv_rate_date": "1998-04-09", "pair": "USD sold / JPY bought", "episode": 13, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1998-04-09)", "era": "1998", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "1998-04-08", "base": 132.64, "d0": { "date": "1998-04-09", "px": 130.21, "pct": -1.832, "yen": -2.43 }, "d1": { "date": "1998-04-10", "px": 128.96, "pct": -2.774, "yen": -3.68 }, "d2": { "date": "1998-04-13", "px": 129.52, "pct": -2.352, "yen": -3.12 }, "d3": { "date": "1998-04-14", "px": 129.35, "pct": -2.48, "yen": -3.29 }, "d4": { "date": "1998-04-15", "px": 129.45, "pct": -2.405, "yen": -3.19 }, "d5": { "date": "1998-04-16", "px": 131.78, "pct": -0.648, "yen": -0.86 }, "d6": { "date": "1998-04-17", "px": 131.85, "pct": -0.596, "yen": -0.79 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 31, "date": "1998-04-10", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 1, "amount_jpy_bn": 2620.1, "amount_usd_bn_est": 20.32, "usd_conv_rate": 128.96, "usd_conv_rate_date": "1998-04-10", "pair": "USD sold / JPY bought", "episode": 13, "first_in_episode": false, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1998-04-10)", "era": "1998", "episode_size": 2, "n_in_episode": 2, "daily": { "base_date": "1998-04-09", "base": 130.21, "d0": { "date": "1998-04-10", "px": 128.96, "pct": -0.96, "yen": -1.25 }, "d1": { "date": "1998-04-13", "px": 129.52, "pct": -0.53, "yen": -0.69 }, "d2": { "date": "1998-04-14", "px": 129.35, "pct": -0.66, "yen": -0.86 }, "d3": { "date": "1998-04-15", "px": 129.45, "pct": -0.584, "yen": -0.76 }, "d4": { "date": "1998-04-16", "px": 131.78, "pct": 1.206, "yen": 1.57 }, "d5": { "date": "1998-04-17", "px": 131.85, "pct": 1.26, "yen": 1.64 }, "d6": { "date": "1998-04-20", "px": 132.23, "pct": 1.551, "yen": 2.02 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 32, "date": "1998-06-17", "weekday": "Wednesday", "weekday_n": 2, "days_since_prev": 68, "amount_jpy_bn": 231.2, "amount_usd_bn_est": 1.68, "usd_conv_rate": 137.68, "usd_conv_rate_date": "1998-06-17", "pair": "USD sold / JPY bought", "episode": 14, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 1998-06-17)", "era": "1998", "episode_size": 1, "n_in_episode": 1, "daily": { "base_date": "1998-06-16", "base": 144.05, "d0": { "date": "1998-06-17", "px": 137.68, "pct": -4.422, "yen": -6.37 }, "d1": { "date": "1998-06-18", "px": 137.61, "pct": -4.471, "yen": -6.44 }, "d2": { "date": "1998-06-19", "px": 134.2, "pct": -6.838, "yen": -9.85 }, "d3": { "date": "1998-06-22", "px": 137.9, "pct": -4.269, "yen": -6.15 }, "d4": { "date": "1998-06-23", "px": 139.13, "pct": -3.415, "yen": -4.92 }, "d5": { "date": "1998-06-24", "px": 140.75, "pct": -2.291, "yen": -3.3 }, "d6": { "date": "1998-06-25", "px": 141.67, "pct": -1.652, "yen": -2.38 } }, "intraday": null, "data_resolution": "daily only (Fed H.10 noon NY fix via FRED)" }, { "id": 33, "date": "2022-09-22", "weekday": "Thursday", "weekday_n": 3, "days_since_prev": 8863, "amount_jpy_bn": 2838.2, "amount_usd_bn_est": 19.96, "usd_conv_rate": 142.16, "usd_conv_rate_date": "2022-09-22", "pair": "USD sold / JPY bought", "episode": 15, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 2022-09-22)", "era": "2022", "episode_size": 1, "n_in_episode": 1, "daily": { "base_date": "2022-09-21", "base": 144.14, "d0": { "date": "2022-09-22", "px": 142.16, "pct": -1.374, "yen": -1.98 }, "d1": { "date": "2022-09-23", "px": 143.18, "pct": -0.666, "yen": -0.96 }, "d2": { "date": "2022-09-26", "px": 144.45, "pct": 0.215, "yen": 0.31 }, "d3": { "date": "2022-09-27", "px": 144.71, "pct": 0.395, "yen": 0.57 }, "d4": { "date": "2022-09-28", "px": 144.15, "pct": 0.007, "yen": 0.01 }, "d5": { "date": "2022-09-29", "px": 144.45, "pct": 0.215, "yen": 0.31 }, "d6": { "date": "2022-09-30", "px": 144.71, "pct": 0.395, "yen": 0.57 } }, "intraday": { "t0_utc": "2022-09-22 07:37", "t0_jst": "Thu 2022-09-22 16:37", "t0_et": "Thu 2022-09-22 03:37 EDT", "session": "Tokyo close / London open", "jst_weekday": "Thursday", "anchor_method": "press-reported time; anchor = highest price from 30 min before to 10 min after it", "time_confidence": "high", "time_sources": [ { "title": "Japan intervenes to prop up yen", "url": "https://www.irishtimes.com/business/2022/09/22/japan-intervenes-to-prop-up-yen", "publisher": "Irish Times / Financial Times", "date": "2022-09-22" }, { "title": "Dai-ichi Life Research note on second intervention (mentions Sep 22 '17時過ぎ')", "url": "https://www.dlri.co.jp/files/macro/206120.pdf", "publisher": "Dai-ichi Life Research Institute", "date": "2022-10-24" }, { "title": "Japan intervenes to buoy sliding yen for first time since 1998", "url": "https://www.bnnbloomberg.ca/japan-intervenes-to-buoy-sliding-yen-for-first-time-since-1998-1.1822133", "publisher": "Bloomberg via BNN", "date": "2022-09-22" }, { "title": "Japan intervenes in FX market to stem yen falls after BOJ keeps low rates", "url": "https://www.cnbc.com/2022/09/22/japan-intervenes-in-fx-market-to-stem-yen-falls-after-boj-keeps-low-rates.html", "publisher": "CNBC/Reuters", "date": "2022-09-22" } ], "time_note": "Kanda confirmed same day; just after 17:00 JST, after the BOJ hold", "reported_time_utc": "2022-09-22T08:00Z", "spike_low_utc": "2022-09-22 12:48", "minutes_to_low": 311, "spike_pct": -3.805, "spike_yen": -5.552, "run_up_24h_pct": 1.556, "horizons": { "h1": { "pct": -2.438, "yen": -3.557, "retraced_pct_of_drop": 6.9, "stale_weekend": false }, "h4": { "pct": -2.629, "yen": -3.836, "retraced_pct_of_drop": 26.5, "stale_weekend": false }, "h8": { "pct": -2.543, "yen": -3.711, "retraced_pct_of_drop": 33.2, "stale_weekend": false }, "h12": { "pct": -2.448, "yen": -3.572, "retraced_pct_of_drop": 35.7, "stale_weekend": false }, "h24": { "pct": -2.537, "yen": 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34, "date": "2022-10-21", "weekday": "Friday", "weekday_n": 4, "days_since_prev": 29, "amount_jpy_bn": 5620.2, "amount_usd_bn_est": 38.4, "usd_conv_rate": 146.35, "usd_conv_rate_date": "2022-10-21", "pair": "USD sold / JPY bought", "episode": 16, "first_in_episode": true, "source": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 2022-10-21)", "era": "2022", "episode_size": 2, "n_in_episode": 1, "daily": { "base_date": "2022-10-20", "base": 149.82, "d0": { "date": "2022-10-21", "px": 146.35, "pct": -2.316, "yen": -3.47 }, "d1": { "date": "2022-10-24", "px": 148.76, "pct": -0.708, "yen": -1.06 }, "d2": { "date": "2022-10-25", "px": 147.85, "pct": -1.315, "yen": -1.97 }, "d3": { "date": "2022-10-26", "px": 146.5, "pct": -2.216, "yen": -3.32 }, "d4": { "date": "2022-10-27", "px": 146.02, "pct": -2.536, "yen": -3.8 }, "d5": { "date": "2022-10-28", "px": 147.68, "pct": -1.428, "yen": -2.14 }, "d6": { "date": "2022-10-31", "px": 148.63, "pct": -0.794, "yen": -1.19 } }, "intraday": { "t0_utc": "2022-10-21 14:36", "t0_jst": "Fri 2022-10-21 23:36", "t0_et": "Fri 2022-10-21 10:36 EDT", "session": "London/NY overlap", "jst_weekday": "Friday", "anchor_method": "press-reported time; anchor = highest price from 30 min before to 10 min after it", "time_confidence": "medium", "time_sources": [ { "title": "Dai-ichi Life Research note (介入のタイミング 23時40分頃)", "url": "https://www.dlri.co.jp/files/macro/206120.pdf", "publisher": "Dai-ichi Life Research Institute", "date": "2022-10-24" }, { "title": "Japanese yen jumps as traders suspect intervention", "url": "https://wealthinsights.metrobank.com.ph/reuters/update-7-japanese-yen-jumps-as-traders-suspect-intervention", "publisher": "Reuters (via Metrobank)", "date": "2022-10-21" }, { "title": "Evidence of intervention as USD/JPY plunges more than 2%", "url": "https://www.fxempire.com/forecasts/article/evidence-of-intervention-as-usd-jpy-plunges-more-than-2-1170153", "publisher": "FXEmpire", "date": "2022-10-21" }, { "title": "ドル円 一時145円台まで4円超下押し (Oct 24 note incl. Oct 21 recap)", "url": "https://www.gaitame.com/media/entry/2022/10/24/090249", "publisher": "Gaitame.com", "date": "2022-10-24" } ], "time_note": "stealth; ~10:40 ET reported; one Japanese report differs on the high time", "reported_time_utc": "2022-10-21T14:40Z", "spike_low_utc": "2022-10-21 16:02", "minutes_to_low": 86, "spike_pct": -3.592, "spike_yen": -5.447, "run_up_24h_pct": 1.255, "horizons": { "h1": { "pct": -2.108, "yen": -3.196, "retraced_pct_of_drop": 28.5, "stale_weekend": false }, "h4": { "pct": -2.202, "yen": -3.339, "retraced_pct_of_drop": 38.7, "stale_weekend": false }, "h8": { "pct": -2.64, "yen": -4.003, "retraced_pct_of_drop": 26.5, "stale_weekend": true }, "h12": { "pct": -2.64, "yen": -4.003, "retraced_pct_of_drop": 26.5, "stale_weekend": true }, "h24": { "pct": -2.64, "yen": -4.003, "retraced_pct_of_drop": 26.5, "stale_weekend": true }, "h48": { "pct": -2.64, "yen": -4.003, "retraced_pct_of_drop": 26.5, "stale_weekend": true }, "h72": { "pct": -1.839, "yen": 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158.45, "pct": -3.302, "yen": -5.41 }, "d6": { "date": "2026-08-07", "px": 157.54, "pct": -3.857, "yen": -6.32 } }, "intraday": { "t0_utc": "2026-07-30 13:00", "t0_jst": "Thu 2026-07-30 22:00", "t0_et": "Thu 2026-07-30 09:00 EDT", "session": "London/NY overlap", "jst_weekday": "Thursday", "anchor_method": "press-reported time; anchor = highest price from 30 min before to 10 min after it", "time_confidence": "medium", "time_sources": [ { "title": "Longbridge: USD/JPY fell from ~162.5 to below 158 within ~50 min after 9:30 a.m. NY", "url": "https://longbridge.com/news/294504214.md", "publisher": "Longbridge (citing Nikkei/Bloomberg)", "date": "2026-07-31" }, { "title": "Japan intervenes to prop up yen ahead of BOJ policy decision, source says", "url": "https://whbl.com/2026/07/30/japan-intervenes-to-prop-up-yen-ahead-of-boj-policy-decision-source-says/", "publisher": "Reuters via WHBL", "date": "2026-07-30" }, { "title": "Japan Conducts Forex Intervention: Sources", "url": "https://english.adnkronos.com/2026/07/31/japan-conducts-forex-intervention-sources/", "publisher": "Jiji via Adnkronos", "date": "2026-07-31" }, { "title": "How a US-Japan pact to hit yen speculators came together", "url": "https://www.thenews.pk/print/1430133-how-a-us-japan-pact-to-hit-yen-speculators-came-together", "publisher": "Reuters via The News", "date": "2026-08-03" }, { "title": "History of Japan's intervention in currency markets", "url": "https://www.investing.com/news/economy-news/history-of-japans-intervention-in-currency-markets-4826713", "publisher": "Reuters via Investing.com", "date": "2026" }, { "title": "Foreign Exchange Intervention Operations (July-September 2026)", "url": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/quarter/2026_3Qe.html", "publisher": "Japan Ministry of Finance", "date": "2026-11-09" } ], "time_note": "~09:30 ET; NY Fed rate check reported the same day", "reported_time_utc": "2026-07-30T13:30Z", "spike_low_utc": 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-5.34, "retraced_pct_of_drop": 31.0, "stale_weekend": false } }, "path_pct": [ 0.414, 0.442, 0.471, 0.406, 0.414, 0.319, 0.199, -0.101, -0.078, -0.01, -0.029, -0.066, -0.023, -0.12, -1.998, -2.176, -2.228, -2.131, -2.128, -2.175, -2.053, -1.959, -2.413, -2.409, -2.418, -2.227, -2.218, -2.132, -2.094, -2.086, -2.051, -1.975, -2.067, -1.854, -1.7, -1.642, -1.459, -1.514, -1.386, -1.463, -1.494, -1.306, -1.439, -1.374, -1.41, -1.384, -1.454, -1.548, -1.61, -1.495, -1.636, -1.648, -2.59, -1.911, -1.832, -1.838, -1.813, -1.726, -1.678, -1.583, -1.577, -2.121, -2.158, -2.221, -2.345, -2.196, -2.334, -2.302, -2.232, -2.675, -2.676, -2.53, -2.491, -2.386, -2.321, -3.012, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, -3.38, 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"base_date": "2026-07-30", "base": 159.47, "d0": { "date": "2026-07-31", "px": 159.16, "pct": -0.194, "yen": -0.31 }, "d1": { "date": "2026-08-03", "px": 156.96, "pct": -1.574, "yen": -2.51 }, "d2": { "date": "2026-08-04", "px": 157.44, "pct": -1.273, "yen": -2.03 }, "d3": { "date": "2026-08-05", "px": 157.63, "pct": -1.154, "yen": -1.84 }, "d4": { "date": "2026-08-06", "px": 158.45, "pct": -0.64, "yen": -1.02 }, "d5": { "date": "2026-08-07", "px": 157.54, "pct": -1.21, "yen": -1.93 }, "d6": { "date": "2026-08-10", "px": 158.9, "pct": -0.357, "yen": -0.57 } }, "intraday": { "t0_utc": "2026-07-31 07:44", "t0_jst": "Fri 2026-07-31 16:44", "t0_et": "Fri 2026-07-31 03:44 EDT", "session": "Tokyo close / London open", "jst_weekday": "Friday", "anchor_method": "no reliable press time: anchored on the largest 90-min drop in the FX trading day (flag)", "time_confidence": "low (session from press, minute from price)", "time_sources": [ { "title": "Statement on joint intervention", "url": "https://www.mof.go.jp/english/public_relations/statement/others/20260803073000.html", "publisher": "Japan Ministry of Finance", "date": "2026-08-03" }, { "title": "How a US-Japan pact to hit yen speculators came together", "url": "https://www.thenews.pk/print/1430133-how-a-us-japan-pact-to-hit-yen-speculators-came-together", "publisher": "Reuters via The News", "date": "2026-08-03" }, { "title": "Dollar Falls below 155.50 Yen after Japan-U.S. Action", "url": "https://english.adnkronos.com/2026/08/03/dollar-falls-below-155-50-yen-after-japan-u-s-action/", "publisher": "Jiji via Adnkronos", "date": "2026-08-03" }, { "title": "Yen rises amid speculation of more intervention after U.S. support", "url": "https://fortune.com/2026/08/03/yen-rises-amid-speculation-of-more-intervention-after-u-s-support/", "publisher": "Bloomberg via Fortune", "date": "2026-08-03" }, { "title": "Washington Can Support the Yen, But Not Break the Carry Trade", "url": "https://basispointinsight.com/Story/washington-can-support-the-yen--but-not-break-the-carry-trade_7c612f68a9eb.html", "publisher": "Basis Point Insight", "date": "2026-08" }, { "title": "Foreign Exchange Intervention Operations (July-September 2026)", "url": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/quarter/2026_3Qe.html", "publisher": "Japan Ministry of Finance", "date": "2026-11-09" } ], "time_note": "joint US–Japan; MoF dates it 31 July US Eastern time; no verified minute. 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"https://www.mof.go.jp/english/policy/international_policy/reference/feio/foreign_exchange_intervention_operations.csv (row 2026-08-03)", "era": "2026", "episode_size": 3, "n_in_episode": 3, "daily": { "base_date": "2026-07-31", "base": 159.16, "d0": { "date": "2026-08-03", "px": 156.96, "pct": -1.382, "yen": -2.2 }, "d1": { "date": "2026-08-04", "px": 157.44, "pct": -1.081, "yen": -1.72 }, "d2": { "date": "2026-08-05", "px": 157.63, "pct": -0.961, "yen": -1.53 }, "d3": { "date": "2026-08-06", "px": 158.45, "pct": -0.446, "yen": -0.71 }, "d4": { "date": "2026-08-07", "px": 157.54, "pct": -1.018, "yen": -1.62 }, "d5": { "date": "2026-08-10", "px": 158.9, "pct": -0.163, "yen": -0.26 }, "d6": { "date": "2026-08-11", "px": 159.25, "pct": 0.057, "yen": 0.09 } }, "intraday": { "t0_utc": "2026-08-03 00:18", "t0_jst": "Mon 2026-08-03 09:18", "t0_et": "Sun 2026-08-02 20:18 EDT", "session": "Tokyo (09:00-16:00 JST)", "jst_weekday": "Monday", "anchor_method": "no reliable press time: anchored on the largest 90-min drop in the FX trading day (flag)", "time_confidence": "low (session from press, minute from price)", "time_sources": [ { "title": "Dollar Falls below 155.50 Yen after Japan-U.S. Action", "url": "https://english.adnkronos.com/2026/08/03/dollar-falls-below-155-50-yen-after-japan-u-s-action/", "publisher": "Jiji via Adnkronos", "date": "2026-08-03" }, { "title": "Yen rises amid speculation of more intervention after U.S. support", "url": "https://fortune.com/2026/08/03/yen-rises-amid-speculation-of-more-intervention-after-u-s-support/", "publisher": "Bloomberg via Fortune", "date": "2026-08-03" }, { "title": "Japan, US confirm joint yen-buying intervention, signal more action", "url": "https://www.newstribune.com/news/2026/aug/03/japan-us-confirm-joint-yen-buying-intervention-signal-more-action/", "publisher": "Reuters via News Tribune", "date": "2026-08-03" }, { "title": "Foreign Exchange Intervention Operations (July-September 2026)", "url": 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"https://www.thejakartapost.com/business/2022/09/15/japan-warns-of-intervention-boj-conducts-rate-check-amid-yen-fall", "publisher": "Reuters via Jakarta Post", "date": "2022-09-15" } ] }, { "date": "2023-10-03", "time_jst": "23:00", "time_et": "10:00", "type": "suspected_intervention", "description": "Yen hit 150.16 in NY then jumped ~2% in seconds after the 10:00 ET US JOLTS release. Officials declined to confirm or deny; BOJ money-market data next day suggested no intervention.", "move_reported": "150.16 -> 147.43 in seconds, then back near 149", "status": "suspected, MoF data shows none (time inferred from JOLTS release; Japanese reports say 'night', Tokyo time)", "sources": [ { "title": "Yen weakens past 150 per dollar as intervention concern mounts", "url": "https://www.bnnbloomberg.ca/yen-weakens-past-150-per-dollar-as-intervention-concern-mounts-1.1979619", "publisher": "Bloomberg via BNN", "date": "2023-10-03" }, { "title": "Yen-tervention, was it or wasn't it?", "url": "https://pepperstone.com/en/market-analysis/yen-tervention-was-it-or-wasn-t-it", "publisher": "Pepperstone", "date": "2023-10-04" }, { "title": "ドル円は円高で149円付近|一時急落で市場介入の噂も", "url": "https://www.oanda.jp/lab-education/market_news/2023_10_04_usdjpy/", "publisher": "OANDA Japan", "date": "2023-10-04" } ] }, { "date": "2024-07-12", "time_jst": null, "time_et": null, "type": "rate_check", "description": "Nikkei (via MNI, 00:45 GMT Jul 12) reported BOJ rate-checking against the euro (EUR/JPY) the day after the CPI-day intervention. The Jul 11 and Jul 12 operations were both unannounced (stealth), confirmed later by MoF.", "move_reported": "USD/JPY to 157.30 low on Friday", "status": "rate check reported; intervention also confirmed by MoF for this date (stealth)", "sources": [ { "title": "MNI BRIEF: BOJ rate checking euro, may intervene", "url": "https://marketnews.com/mni-brief-boj-rate-checking-euro-may-intervene", "publisher": "MNI", "date": "2024-07-12" }, { "title": "Japan Intervened into Forex Market July 11-12", "url": "https://nippon.com/en/news/yjj2024110800340", "publisher": "Jiji via Nippon.com", "date": "2024-11-08" } ] }, { "date": "2026-01-23", "time_jst": null, "time_et": null, "type": "rate_check", "description": "Two episodes on Fri Jan 23: (1) late Tokyo, after BOJ hold and Ueda presser, USD/JPY dropped from >159 to <157.4 amid rumors of a BOJ rate check (Ueda declined to comment); (2) in NY session Reuters source said the New York Fed checked dollar/yen rates with dealers on behalf of Treasury (Fed minutes later confirmed desk asked for quotes).", "move_reported": "Yen >3% off Friday low; to 153.30 on Mon Jan 26; ~153 on Jan 27", "status": "rate check reported (NY Fed, later confirmed in Fed minutes per secondary source); BOJ money-market data indicated no Japanese intervention; MoF data shows none", "sources": [ { "title": "Yen rises to more than two-month high as markets on alert for intervention", "url": "https://www.kitco.com/news/off-the-wire/2026-01-26/yen-rises-more-two-month-high-markets-alert-intervention", "publisher": "Reuters via Kitco", "date": "2026-01-26" }, { "title": "Dollar Briefly Dives below 157.4 Yen in Tokyo", "url": "https://english.adnkronos.com/2026/01/23/dollar-briefly-dives-below-157-4-yen-in-tokyo-2/", "publisher": "Jiji via Adnkronos", "date": "2026-01-23" }, { "title": "Fed rate check, US dollar and gold", "url": "https://fortune.com/2026/01/26/fed-rate-check-us-dollar-gold/", "publisher": "Fortune", "date": "2026-01-26" } ] }, { "date": "2026-07-30", "time_jst": "22:30", "time_et": "09:30", "type": "rate_check", "description": "Nikkei reported the NY Fed, on Treasury instruction, requested USD/JPY rate checks from several banks on Jul 30 (EUR/JPY on Jul 31), alongside Japan's unannounced intervention.", "move_reported": "~162.5-163 -> ~157.8", "status": "rate check reported (US); Japanese intervention confirmed later by MoF", "sources": [ { "title": "Japan carries out yen-buying intervention as US executes rate check", "url": "https://asia.nikkei.com/business/markets/currencies/japan-carries-out-yen-buying-intervention-as-us-executes-rate-check", "publisher": "Nikkei Asia", "date": "2026-07-31" }, { "title": "Washington Can Support the Yen, But Not Break the Carry Trade", "url": "https://basispointinsight.com/Story/washington-can-support-the-yen--but-not-break-the-carry-trade_7c612f68a9eb.html", "publisher": "Basis Point Insight", "date": "2026-08" } ] }, { "date": "2026-09-03", "time_jst": null, "time_et": null, "type": "rate_check", "description": "In NY trading Sep 3 speculation spread that Japanese authorities conducted a rate check; yen rose ~1 yen in a short time after breaking the 158 / 200-day MA area. Nikkei reportedly said officials conducted rate checks after the yen's sharp drop (not verified from primary).", "move_reported": "From low 160s (Sep 1) to 155.30 high in NY Sep 3; 153.50 by Sep 9", "status": "rate check speculated, unconfirmed; MoF data shows no intervention (Q3 list only Jul 30, Jul 31, Aug 3; Aug 27-Sep 28 monthly total zero)", "sources": [ { "title": "Yen rally (Sept 4 report)", "url": "https://en.fnnews.com/news/202609040943017420", "publisher": "Financial News (Korea)", "date": "2026-09-04" }, { "title": "Yen Surges on Suspected Rate Check", "url": "https://tradingeconomics.com/japan/currency/news/580605", "publisher": "Trading Economics", "date": "2026-09-02" }, { "title": "Japan currency intervention amounted to JPY 0 from August 27-Sep 28", "url": "https://www.newsquawk.com/headlines/japan-currency-intervention-amounted-to-jpy-0-from-august-27-sep-28", "publisher": "Newsquawk", "date": "2026-09-30" }, { "title": "Foreign Exchange Intervention Operations (July-September 2026)", "url": "https://www.mof.go.jp/english/policy/international_policy/reference/feio/quarter/2026_3Qe.html", "publisher": "Japan Ministry of Finance", "date": "2026-11-09" } ] }, { "date": "2026-09-18", "time_jst": null, "time_et": null, "type": "rate_check", "description": "Reports that the BOJ conducted a rate check with market participants 'late Friday' (the Friday before the Sep 21 holiday weekend; date inferred), after the yen fell >2% that week despite the BOJ hike to 1.25%.", "move_reported": "Yen consolidated near 157 on Sep 21", "status": "rate check reported (secondary sources only, date inferred); MoF data shows none", "sources": [ { "title": "Yen Consolidates Amid Holiday-Thinned Trading", "url": "https://tradingeconomics.com/japan/currency/news/585148", "publisher": "Trading Economics", "date": "2026-09-21" }, { "title": "BOJ conducted a rate check with market participants late Friday (Nikkei)", "url": "https://www.newsquawk.com/headlines/boj-conducted-a-rate-check-with-market-participants-late-friday-signaling-potential-preparation-for-currency-intervention-reports-nikkei", "publisher": "Newsquawk", "date": "2026-09" } ] }, { "date": "2026-11-11", "time_jst": null, "time_et": null, "type": "verbal", "description": "Yen slid to ~159.9 after hot US inflation / Fed hike bets; Mimura said moves were 'too fast' and markets should not forget the summer joint intervention. No rate check or intervention reported.", "move_reported": "158.85 (Nov 11) -> ~159.9-160 (Nov 12)", "status": "verbal warning only; no intervention reported as of 2026-11-12", "sources": [ { "title": "Yen nears key ¥160 level after U.S. inflation data, sparking intervention risk", "url": "https://www.japantimes.co.jp/business/2026/11/12/markets/yen-near-160-renewed-intervention-risks/", "publisher": "Japan Times", "date": "2026-11-12" }, { "title": "Yen Weakens to Over Two-Month Lows (news stream)", "url": "https://tradingeconomics.com/japan/currency/news/580605", "publisher": "Trading Economics", "date": "2026-11-12" } ] } ] }