STRASMORE/EXPLORE 2,170 QUERIES

The whole equity NBBO stream: July 7 vs July 6 update counts

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 2026-07-26, from Market Recap: July 7, 2026, The Day in Numbers.

as of scalar 1×5read in context →
jul7 updates m
492.76
jul6 updates m
391.96
day over day pct
25.7
jul7 last quote et minute
1,199
jul7 close hour updates m
77.13
Rows × columns
1 × 5
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 The whole equity NBBO stream: July 7 vs July 6 update counts, derived from the stored result.
ColumnTypeRangeNotes
jul7_updates_m number every row is 492.76
jul6_updates_m number every row is 391.96
day_over_day_pct number every row is 25.7 percent
jul7_last_quote_et_minute number every row is 1,199
jul7_close_hour_updates_m number every row is 77.13 US dollars

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
    round(countIf(toDate(sip_timestamp) = toDate('2026-07-07')) / 1e6, 2) AS jul7_updates_m,
    round(countIf(toDate(sip_timestamp) = toDate('2026-07-06')) / 1e6, 2) AS jul6_updates_m,
    round((countIf(toDate(sip_timestamp) = toDate('2026-07-07')) / countIf(toDate(sip_timestamp) = toDate('2026-07-06')) - 1) * 100, 1) AS day_over_day_pct,
    toHour(toTimeZone(maxIf(sip_timestamp, toDate(sip_timestamp) = toDate('2026-07-07')), 'America/New_York')) * 60
        + toMinute(toTimeZone(maxIf(sip_timestamp, toDate(sip_timestamp) = toDate('2026-07-07')), 'America/New_York')) AS jul7_last_quote_et_minute,
    round(countIf(sip_timestamp >= '2026-07-07 19:00:00' AND sip_timestamp < '2026-07-07 20:00:00') / 1e6, 2) AS jul7_close_hour_updates_m
FROM global_markets.cache_stocks_quotes
WHERE sip_timestamp >= '2026-07-06 00:00:00' AND sip_timestamp < '2026-07-08 00:00:00'

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More from this analysisMarket Recap: July 7, 2026, The Day in Numbers
SPY's option quotes on July 7: the whole root, and the near-the-money same-day touch through the air pocket against a midday control scalar 1×13 → Session check: SPY's observed minute-bar span, the holiday table, and the next closure on the calendar scalar 1×8 → One row for the whole options day: volume, call share, 0DTE, and the two contracts that bracketed SPY's close scalar 1×24 → July 7's corporate calendar and information flow, in one row scalar 1×15 → QQQ and SPY: July 7 ranked against the trailing month of sessions (rank 1 = biggest absolute move) scalar 1×7 → SPY's update-weighted average quoted spread: July 7 ranked against the trailing month (rank 1 = tightest) scalar 1×7 → See all 2,170 queries →