monthly_shift
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 2026-10-02, from us-stock-market-hours-korea-time.
| month | month_label | busiest_minute_kst | kst_minutes |
|---|---|---|---|
| 2025-10-01 | 2025년 10월 | 04:59 | 299 |
| 2025-11-01 | 2025년 11월 | 06:12 | 372 |
| 2025-12-01 | 2025년 12월 | 05:59 | 359 |
| 2026-01-01 | 2026년 1월 | 05:59 | 359 |
| 2026-02-01 | 2026년 2월 | 05:59 | 359 |
| 2026-03-01 | 2026년 3월 | 05:12 | 312 |
| 2026-04-01 | 2026년 4월 | 04:59 | 299 |
| 2026-05-01 | 2026년 5월 | 05:11 | 311 |
| 2026-06-01 | 2026년 6월 | 04:59 | 299 |
| 2026-07-01 | 2026년 7월 | 04:59 | 299 |
| 2026-08-01 | 2026년 8월 | 04:59 | 299 |
| 2026-09-01 | 2026년 9월 | 04:59 | 299 |
- Rows × columns
- 12 × 4
- Period covered
- to
- 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 |
date | 2025-10-01 to 2026-09-01 | |
month_label |
text | 12 distinct values (2025년 10월, 2025년 11월, 2025년 12월…) | |
busiest_minute_kst |
text | 5 distinct values (04:59, 05:11, 05:12…) | |
kst_minutes |
number | 299 to 372 |
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 day_peak AS
(
SELECT
toDate(toTimeZone(window_start, 'America/New_York')) AS et_day,
argMax(formatDateTime(toTimeZone(window_start, 'Asia/Seoul'), '%H:%i'), volume) AS peak_kst,
argMax(toHour(toTimeZone(window_start, 'Asia/Seoul')) * 60
+ toMinute(toTimeZone(window_start, 'Asia/Seoul')), volume) AS peak_minutes
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY'
AND window_start >= toDateTime('2025-10-01 00:00:00')
AND window_start < toDateTime('2026-10-01 00:00:00')
AND volume > 0
GROUP BY et_day
),
by_month AS
(
SELECT
toStartOfMonth(et_day) AS et_month,
peak_kst,
peak_minutes,
count() AS hits
FROM day_peak
GROUP BY et_month, peak_kst, peak_minutes
)
SELECT
toString(et_month) AS month,
concat(toString(toYear(et_month)), '년 ', toString(toMonth(et_month)), '월') AS month_label,
argMax(peak_kst, hits) AS busiest_minute_kst,
argMax(peak_minutes, hits) AS kst_minutes
FROM by_month
GROUP BY et_month
ORDER BY et_month
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