margin_call_trace
Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-10-08, from us-stock-margin-for-taiwan-investors.
| month | low_close | min_maintenance_ratio_pct | max_fall_from_peak_pct |
|---|---|---|---|
| 2021-11 | 329.68 | 192.2 | 3.91 |
| 2021-12 | 319.91 | 186.5 | 6.76 |
| 2022-01 | 288.49 | 168.2 | 15.92 |
| 2022-02 | 280.27 | 163.4 | 18.31 |
| 2022-03 | 275.85 | 160.8 | 19.6 |
| 2022-04 | 270.22 | 157.5 | 21.24 |
| 2022-05 | 252.56 | 147.2 | 26.39 |
| 2022-06 | 242.26 | 141.2 | 29.39 |
| 2022-07 | 251.9 | 146.8 | 26.58 |
| 2022-08 | 261.47 | 152.4 | 23.79 |
| 2022-09 | 232.9 | 135.8 | 32.12 |
| 2022-10 | 225.41 | 131.4 | 34.3 |
| 2022-11 | 214.25 | 124.9 | 37.56 |
- Rows × columns
- 13 × 4
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
month |
text | 13 distinct values (2021-11, 2021-12, 2022-01…) | |
low_close |
number | 214.25 to 329.68 | US dollars |
min_maintenance_ratio_pct |
number | 124.9 to 192.2 | percent |
max_fall_from_peak_pct |
number | 3.91 to 37.56 | percent |
Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on , and the query below is what returned them.
Run it yourself
This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.
WITH
peak AS
(
SELECT toFloat64(max(close)) AS peak_px
FROM global_markets.stocks_daily_aggs
WHERE ticker = 'MSFT'
AND date BETWEEN '2021-11-01' AND '2021-11-30'
),
monthly AS
(
SELECT
toStartOfMonth(date) AS mo,
toFloat64(min(close)) AS low_px
FROM global_markets.stocks_daily_aggs
WHERE ticker = 'MSFT'
AND date BETWEEN '2021-11-19' AND '2022-11-30'
GROUP BY mo
)
SELECT
formatDateTime(m.mo, '%Y-%m') AS month,
round(m.low_px, 2) AS low_close,
round(m.low_px / p.peak_px * 200, 1) AS min_maintenance_ratio_pct,
round(greatest(0., 1. - m.low_px / p.peak_px) * 100, 2) AS max_fall_from_peak_pct
FROM monthly AS m
CROSS JOIN peak AS p
ORDER BY m.mo
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