dst_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 2026-10-04, from us-stock-market-hours-taipei-time.
| month | taipei_open_first_session | taipei_open_last_session | taipei_open_minute_first | taipei_open_minute_last |
|---|---|---|---|---|
| 2025-09-01 | 21:30 | 21:30 | 1290 | 1290 |
| 2025-10-01 | 21:30 | 21:30 | 1290 | 1290 |
| 2025-11-01 | 22:30 | 22:30 | 1350 | 1350 |
| 2025-12-01 | 22:30 | 22:30 | 1350 | 1350 |
| 2026-01-01 | 22:30 | 22:30 | 1350 | 1350 |
| 2026-02-01 | 22:30 | 22:30 | 1350 | 1350 |
| 2026-03-01 | 22:30 | 21:30 | 1350 | 1290 |
| 2026-04-01 | 21:30 | 21:30 | 1290 | 1290 |
| 2026-05-01 | 21:30 | 21:30 | 1290 | 1290 |
| 2026-06-01 | 21:30 | 21:30 | 1290 | 1290 |
| 2026-07-01 | 21:30 | 21:30 | 1290 | 1290 |
| 2026-08-01 | 21:30 | 21:30 | 1290 | 1290 |
| 2026-09-01 | 21:30 | 21:30 | 1290 | 1290 |
- Rows × columns
- 13 × 5
- 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 | 2025-09-01 to 2026-09-01 | |
taipei_open_first_session |
text | 2 distinct values (21:30, 22:30) | |
taipei_open_last_session |
text | 2 distinct values (21:30, 22:30) | |
taipei_open_minute_first |
number | 1,290 to 1,350 | US dollars |
taipei_open_minute_last |
number | 1,290 to 1,350 | US dollars |
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.
SELECT
toString(toStartOfMonth(toDate(toTimeZone(window_start, 'America/New_York')))) AS month,
formatDateTime(toTimeZone(min(window_start), 'Asia/Taipei'), '%H:%i') AS taipei_open_first_session,
formatDateTime(toTimeZone(max(window_start), 'Asia/Taipei'), '%H:%i') AS taipei_open_last_session,
toUInt16(toHour(toTimeZone(min(window_start), 'Asia/Taipei')) * 60
+ toMinute(toTimeZone(min(window_start), 'Asia/Taipei'))) AS taipei_open_minute_first,
toUInt16(toHour(toTimeZone(max(window_start), 'Asia/Taipei')) * 60
+ toMinute(toTimeZone(max(window_start), 'Asia/Taipei'))) AS taipei_open_minute_last
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY'
AND window_start >= toDateTime('2025-09-01 00:00:00', 'UTC')
AND window_start < toDateTime('2026-10-01 00:00:00', 'UTC')
AND toHour(toTimeZone(window_start, 'America/New_York')) = 9
AND toMinute(toTimeZone(window_start, 'America/New_York')) = 30
GROUP BY month
ORDER BY month
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