STRASMORE/EXPLORE 2,707 QUERIES

Where the consolidated tape starts and stops each day (AAPL, September 2026)

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 2026-09-27, from Why Overnight Orders Must Be Limit Orders.

as of series 13×5read in context →
Where the consolidated tape starts and stops each day (AAPL, September 2026) — 13 rows by 5 columns, computed from US exchange, SIP and OPRA data.
session_datefirst_print_etlast_print_etfirst_print_et_minuteslast_print_et_minutes
2026-09-0104:0019:592401199
2026-09-0204:0019:592401199
2026-09-0304:0019:592401199
2026-09-0404:0019:592401199
2026-09-0804:0019:592401199
2026-09-0904:0019:592401199
2026-09-1004:0019:592401199
2026-09-1104:0019:592401199
2026-09-1404:0019:592401199
2026-09-1504:0019:592401199
2026-09-1604:0019:592401199
2026-09-1704:0019:592401199
2026-09-1804:0019:592401199
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
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for Where the consolidated tape starts and stops each day (AAPL, September 2026), derived from the stored result.
ColumnTypeRangeNotes
session_date date 2026-09-01 to 2026-09-18
first_print_et text 1 distinct value (04:00)
last_print_et text 1 distinct value (19:59)
first_print_et_minutes number every row is 240
last_print_et_minutes number every row is 1,199

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(d)             AS session_date,
    min(et_label)           AS first_print_et,
    max(et_label)           AS last_print_et,
    min(et_minutes)         AS first_print_et_minutes,
    max(et_minutes)         AS last_print_et_minutes
FROM
(
    SELECT
        toDate(toTimeZone(window_start, 'America/New_York'))                        AS d,
        formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H:%i')       AS et_label,
        toHour(toTimeZone(window_start, 'America/New_York')) * 60
            + toMinute(toTimeZone(window_start, 'America/New_York'))                AS et_minutes
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE ticker = 'AAPL'
      AND window_start >= '2026-09-01 00:00:00'
      AND window_start <  '2026-09-19 00:00:00'
      AND volume > 0
)
GROUP BY d
HAVING count() > 200
ORDER BY d
⌘/Ctrl + Enter

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