{"slug":"us-stock-margin-for-taiwan-investors","qid":"margin_call_trace","label":"margin_call_trace","post_title":"us-stock-margin-for-taiwan-investors","post_url":"/blog/lang/zh-hant/us-stock-margin-for-taiwan-investors#q-margin_call_trace","columns":["month","low_close","min_maintenance_ratio_pct","max_fall_from_peak_pct"],"rows":[{"month":"2021-11","low_close":329.68,"min_maintenance_ratio_pct":192.2,"max_fall_from_peak_pct":3.91},{"month":"2021-12","low_close":319.91,"min_maintenance_ratio_pct":186.5,"max_fall_from_peak_pct":6.76},{"month":"2022-01","low_close":288.49,"min_maintenance_ratio_pct":168.2,"max_fall_from_peak_pct":15.92},{"month":"2022-02","low_close":280.27,"min_maintenance_ratio_pct":163.4,"max_fall_from_peak_pct":18.31},{"month":"2022-03","low_close":275.85,"min_maintenance_ratio_pct":160.8,"max_fall_from_peak_pct":19.6},{"month":"2022-04","low_close":270.22,"min_maintenance_ratio_pct":157.5,"max_fall_from_peak_pct":21.24},{"month":"2022-05","low_close":252.56,"min_maintenance_ratio_pct":147.2,"max_fall_from_peak_pct":26.39},{"month":"2022-06","low_close":242.26,"min_maintenance_ratio_pct":141.2,"max_fall_from_peak_pct":29.39},{"month":"2022-07","low_close":251.9,"min_maintenance_ratio_pct":146.8,"max_fall_from_peak_pct":26.58},{"month":"2022-08","low_close":261.47,"min_maintenance_ratio_pct":152.4,"max_fall_from_peak_pct":23.79},{"month":"2022-09","low_close":232.9,"min_maintenance_ratio_pct":135.8,"max_fall_from_peak_pct":32.12},{"month":"2022-10","low_close":225.41,"min_maintenance_ratio_pct":131.4,"max_fall_from_peak_pct":34.3},{"month":"2022-11","low_close":214.25,"min_maintenance_ratio_pct":124.9,"max_fall_from_peak_pct":37.56}],"shape":"series","sql":"WITH\n    peak AS\n    (\n        SELECT toFloat64(max(close)) AS peak_px\n        FROM global_markets.stocks_daily_aggs\n        WHERE ticker = 'MSFT'\n          AND date BETWEEN '2021-11-01' AND '2021-11-30'\n    ),\n    monthly AS\n    (\n        SELECT\n            toStartOfMonth(date)  AS mo,\n            toFloat64(min(close)) AS low_px\n        FROM global_markets.stocks_daily_aggs\n        WHERE ticker = 'MSFT'\n          AND date BETWEEN '2021-11-19' AND '2022-11-30'\n        GROUP BY mo\n    )\nSELECT\n    formatDateTime(m.mo, '%Y-%m')                              AS month,\n    round(m.low_px, 2)                                         AS low_close,\n    round(m.low_px / p.peak_px * 200, 1)                       AS min_maintenance_ratio_pct,\n    round(greatest(0., 1. - m.low_px / p.peak_px) * 100, 2)    AS max_fall_from_peak_pct\nFROM monthly AS m\nCROSS JOIN peak AS p\nORDER BY m.mo","computed_at":"2026-10-08T15:57:02.275990+00:00","elapsed":0.003637771}