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AAPL quote clocks, SIP stamp minus exchange stamp, 09:30 to 11:00 ET on June 10 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 2026-08-12, from PCAP Market Data: How Market Replay Works.

as of series 9×4read in context →
AAPL quote clocks, SIP stamp minus exchange stamp, 09:30 to 11:00 ET on June 10 2026 — 9 rows by 4 columns, computed from US exchange, SIP and OPRA data.
et_timequote_countmedian_gap_usp90_gap_us
09:3093041178342
09:4068762193343
09:5058893193343
10:0050188180343
10:104731930343
10:2042050192343
10:3055364195343
10:4037741204344
10:5047236209345
Rows × columns
9 × 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 AAPL quote clocks, SIP stamp minus exchange stamp, 09:30 to 11:00 ET on June 10 2026, derived from the stored result.
ColumnTypeRangeNotes
et_time date 09:30 to 10:50
quote_count number 37,741 to 93,041 count
median_gap_us number 30 to 209
p90_gap_us number 342 to 345

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
    formatDateTime(toStartOfInterval(toTimeZone(sip_timestamp, 'America/New_York'), INTERVAL 10 MINUTE), '%H:%i') AS et_time,
    count()                                            AS quote_count,
    round(quantileDeterministic(0.5)(gap_us, det), 0)  AS median_gap_us,
    round(quantileDeterministic(0.9)(gap_us, det), 0)  AS p90_gap_us
FROM
(
    SELECT
        sip_timestamp,
        toUnixTimestamp64Micro(sip_timestamp) - toUnixTimestamp64Micro(participant_timestamp) AS gap_us,
        toUInt64(toUnixTimestamp64Micro(sip_timestamp))                                       AS det
    FROM global_markets.cache_stocks_quotes
    WHERE ticker = 'AAPL'
      AND sip_timestamp >= '2026-06-10 13:30:00'
      AND sip_timestamp <  '2026-06-10 15:00:00'
      AND participant_timestamp > '2020-01-01 00:00:00'
)
WHERE gap_us BETWEEN 0 AND 1000000
GROUP BY et_time
ORDER BY et_time

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