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Last SPY and SPX option print, minutes past the 4:00 p.m. equity close

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 2026-08-16, from What Time Do Options Stop Trading?.

as of series 12×4read in context →
Last SPY and SPX option print, minutes past the 4:00 p.m. equity close — 12 rows by 4 columns, computed from US exchange, SIP and OPRA data.
session_datespy_minutes_after_4pmspx_minutes_after_4pmspy_last_print_et
2026-07-01155916:15
2026-07-02145916:14
2026-07-06145916:14
2026-07-07145916:14
2026-07-08145916:14
2026-07-09145916:14
2026-07-10145916:14
2026-07-13145916:14
2026-07-14145916:14
2026-07-15145916:14
2026-07-16145916:14
2026-07-17565916:56
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
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for Last SPY and SPX option print, minutes past the 4:00 p.m. equity close, derived from the stored result.
ColumnTypeRangeNotes
session_date date 2026-07-01 to 2026-07-17
spy_minutes_after_4pm number 14 to 56
spx_minutes_after_4pm number every row is 59
spy_last_print_et text 3 distinct values (16:14, 16:15, 16:56)

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.

the exact SQL behind every number 
SELECT
    session_date,
    spy_last_minute - 960 AS spy_minutes_after_4pm,
    spx_last_minute - 960 AS spx_minutes_after_4pm,
    concat(toString(intDiv(spy_last_minute, 60)), ':',
           leftPad(toString(modulo(spy_last_minute, 60)), 2, '0')) AS spy_last_print_et
FROM
(
    WITH
        extract(ticker, '^O:([A-Z]+)')                AS root,
        toTimeZone(sip_timestamp, 'America/New_York') AS et
    SELECT
        toString(toDate(et))                                          AS session_date,
        maxIf(toHour(et) * 60 + toMinute(et), root = 'SPY')            AS spy_last_minute,
        maxIf(toHour(et) * 60 + toMinute(et), root IN ('SPX', 'SPXW')) AS spx_last_minute
    FROM global_markets.options_trades
    WHERE (ticker LIKE 'O:SPY%' OR ticker LIKE 'O:SPX%')
      AND root IN ('SPY', 'SPX', 'SPXW')
      AND sip_timestamp >= '2026-07-01 20:00:00'
      AND sip_timestamp <  '2026-07-17 21:00:00'
      AND (toHour(et) * 60 + toMinute(et)) BETWEEN 960 AND 1020
    GROUP BY session_date
    HAVING countIf(root = 'SPY') > 0
       AND countIf(root IN ('SPX', 'SPXW')) > 0
)
ORDER BY session_date

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