nl_klok
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 us-stock-market-hours-amsterdam-time.
| nl_tijd | et_tijd | volume_mln | aandeel_pct |
|---|---|---|---|
| 10:00 | 04:00 | 3.4 | 0.26 |
| 11:00 | 05:00 | 1.3 | 0.1 |
| 12:00 | 06:00 | 2 | 0.15 |
| 13:00 | 07:00 | 6.5 | 0.49 |
| 14:00 | 08:00 | 14.2 | 1.06 |
| 15:00 | 09:00 | 133.8 | 9.98 |
| 16:00 | 10:00 | 170.8 | 12.75 |
| 17:00 | 11:00 | 153.3 | 11.44 |
| 18:00 | 12:00 | 106.2 | 7.93 |
| 19:00 | 13:00 | 96.6 | 7.21 |
| 20:00 | 14:00 | 131.1 | 9.78 |
| 21:00 | 15:00 | 335.4 | 25.03 |
| 22:00 | 16:00 | 170.3 | 12.71 |
| 23:00 | 17:00 | 9.8 | 0.73 |
| 00:00 | 18:00 | 3.9 | 0.29 |
| 01:00 | 19:00 | 1.2 | 0.09 |
- Rows × columns
- 16 × 4
- 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 |
|---|---|---|---|
nl_tijd |
text | 16 distinct values (00:00, 01:00, 10:00…) | |
et_tijd |
text | 16 distinct values (04:00, 05:00, 06:00…) | |
volume_mln |
number | 1.2 to 335.4 | count |
aandeel_pct |
number | 0.09 to 25.03 | 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 per_uur AS
(
SELECT
formatDateTime(toTimeZone(window_start, 'Europe/Amsterdam'), '%H:00') AS nl_tijd,
formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H:00') AS et_tijd,
sum(volume) AS vol
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY'
AND window_start >= today() - 50
AND window_start < today() - 2
GROUP BY nl_tijd, et_tijd
)
SELECT
nl_tijd,
et_tijd,
round(toFloat64(vol) / 1000000, 1) AS volume_mln,
round(100 * toFloat64(vol) / sum(toFloat64(vol)) OVER (), 2) AS aandeel_pct
FROM per_uur
ORDER BY et_tijd
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