Distinct AAPL option contracts trading, by hour of the session
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 2026-10-08, from Does OPRA Have Depth of Book? Feed Explained.
| et_hour | contracts_trading |
|---|---|
| 09:00 | 827 |
| 10:00 | 922 |
| 11:00 | 811 |
| 12:00 | 747 |
| 13:00 | 677 |
| 14:00 | 855 |
| 15:00 | 858 |
| 16:00 | 2 |
- Rows × columns
- 8 × 2
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
et_hour |
text | 8 distinct values (09:00, 10:00, 11:00…) | |
contracts_trading |
number | 2 to 922 | count |
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.
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SELECT
formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H:00') AS et_hour,
countDistinct(ticker) AS contracts_trading
FROM global_markets.options_minute_aggs
WHERE ticker LIKE 'O:AAPL2%'
AND window_start >= '2026-09-16 00:00:00'
AND window_start < '2026-09-17 00:00:00'
GROUP BY et_hour
ORDER BY et_hour
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