extended_hours_clock
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 2026-10-02, from amzn-premarket-and-after-hours-prices.
| et_hour | avg_shares_thousands | share_of_day_pct |
|---|---|---|
| 04:00 | 47.3 | 0.13 |
| 05:00 | 35.6 | 0.09 |
| 06:00 | 40.3 | 0.11 |
| 07:00 | 71.6 | 0.19 |
| 08:00 | 399.3 | 1.06 |
| 09:00 | 7475.2 | 19.79 |
| 10:00 | 6445.2 | 17.06 |
| 11:00 | 4371.8 | 11.57 |
| 12:00 | 3450 | 9.13 |
| 13:00 | 3169.7 | 8.39 |
| 14:00 | 3902.3 | 10.33 |
| 15:00 | 6865.8 | 18.18 |
| 16:00 | 1247.8 | 3.3 |
| 17:00 | 145 | 0.38 |
| 18:00 | 61.9 | 0.16 |
| 19:00 | 41.9 | 0.11 |
- Rows × columns
- 16 × 3
- 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 | 16 distinct values (04:00, 05:00, 06:00…) | |
avg_shares_thousands |
number | 35.6 to 7,475.2 | count |
share_of_day_pct |
number | 0.09 to 19.79 | percent |
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.
Run it yourself
This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.
WITH hourly AS
(
SELECT
formatDateTime(toStartOfHour(toTimeZone(window_start, 'America/New_York')), '%H:%i') AS et_hour,
round(sum(volume)
/ countDistinct(toDate(toTimeZone(window_start, 'America/New_York')))
/ 1000, 1) AS avg_shares_thousands
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'AMZN'
AND window_start >= '2025-09-02 04:00:00'
AND window_start < '2025-10-01 04:00:00'
GROUP BY et_hour
)
SELECT
et_hour,
avg_shares_thousands,
round(100 * avg_shares_thousands / sum(avg_shares_thousands) OVER (), 2) AS share_of_day_pct
FROM hourly
ORDER BY et_hour
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