STRASMORE/EXPLORE 2,170 QUERIES

AAPL quote updates by ET clock hour, June 16 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 2026-08-22, from What Real-Time Market Data Actually Costs.

as of ranking 16×3read in context →
AAPL quote updates by ET clock hour, June 16 2026 — 16 rows by 3 columns, computed from US exchange, SIP and OPRA data.
et_hourquote_messagesquote_messages_pretty
10:00213956213.96 thousand
15:00197483197.48 thousand
11:00183386183.39 thousand
12:00162777162.78 thousand
09:00116833116.83 thousand
13:00115644115.64 thousand
14:008969289.69 thousand
08:00961961.00
07:00685685.00
04:00669669.00
16:00561561.00
05:00469469.00
18:00419419.00
19:00339339.00
06:00226226.00
17:00129129.00
Rows × columns
16 × 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 AAPL quote updates by ET clock hour, June 16 2026, derived from the stored result.
ColumnTypeRangeNotes
et_hour text 16 distinct values (04:00, 05:00, 06:00…)
quote_messages number 129 to 213,956
quote_messages_pretty text 16 distinct values (115.64 thousand, 116.83 thousand, 129.00…)

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(toTimeZone(sip_timestamp, 'America/New_York'), '%H:00') AS et_hour,
    count()                                                                AS quote_messages,
    formatReadableQuantity(count())                                        AS quote_messages_pretty
FROM global_markets.cache_stocks_quotes
WHERE ticker = 'AAPL'
  AND sip_timestamp >= toDateTime('2026-06-16 08:00:00', 'UTC')
  AND sip_timestamp <  toDateTime('2026-06-17 01:00:00', 'UTC')
GROUP BY et_hour
ORDER BY quote_messages DESC

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