One minute of AAPL quotes, second by second, 09:30 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.

Rows × columns

60 × 3

Period covered

09:30:00 to 09:30:59

Computed

2026-08-12

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

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 2026-08-12, and the query below is what returned them.

SELECT
    formatDateTime(toStartOfSecond(toTimeZone(sip_timestamp, 'America/New_York')), '%H:%i:%S') AS et_time,
    count()                                            AS quote_count,
    round(quantileDeterministic(0.5)(gap_us, det), 0)  AS median_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 13:31:00'
      AND participant_timestamp > '2020-01-01 00:00:00'
)
WHERE gap_us BETWEEN 0 AND 1000000
GROUP BY et_time
ORDER BY et_time