STRASMORE/EXPLORE 2,170 QUERIES

Quote messages per trade, 09:30 to 10:00 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 ranking 5×3read in context →
Quote messages per trade, 09:30 to 10:00 ET on June 10 2026 — 5 rows by 3 columns, computed from US exchange, SIP and OPRA data.
symbolquote_countquotes_per_trade
SPY103514711.3
KO1006972.5
NVDA5404661.7
AAPL2206971.6
MSFT797020.8
Rows × columns
5 × 3
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 Quote messages per trade, 09:30 to 10:00 ET on June 10 2026, derived from the stored result.
ColumnTypeRangeNotes
symbol text 5 distinct values (AAPL, KO, MSFT…)
quote_count number 79,702 to 1,035,147 count
quotes_per_trade number 0.8 to 11.3

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
    q.symbol                                   AS symbol,
    q.quote_count                              AS quote_count,
    round(q.quote_count / t.trade_count, 1)    AS quotes_per_trade
FROM
(
    SELECT ticker AS symbol, count() AS quote_count
    FROM global_markets.cache_stocks_quotes
    WHERE ticker IN ('AAPL', 'MSFT', 'NVDA', 'SPY', 'KO')
      AND sip_timestamp >= '2026-06-10 13:30:00'
      AND sip_timestamp <  '2026-06-10 14:00:00'
    GROUP BY ticker
) AS q
INNER JOIN
(
    SELECT ticker AS symbol, count() AS trade_count
    FROM global_markets.stocks_trades
    WHERE ticker IN ('AAPL', 'MSFT', 'NVDA', 'SPY', 'KO')
      AND sip_timestamp >= '2026-06-10 13:30:00'
      AND sip_timestamp <  '2026-06-10 14:00:00'
    GROUP BY ticker
) AS t ON q.symbol = t.symbol
WHERE t.trade_count > 0
ORDER BY quotes_per_trade DESC

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More from this analysisPCAP Market Data: How Market Replay Works
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