volumen_por_hora
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 2026-10-09, from us-premarket-and-after-hours-spain-time.
| hora_madrid | hora_et | tramo | fecha_en_espana | cuota_pct |
|---|---|---|---|---|
| 10:00 | 04:00 | premarket | mismo día | 0.22 |
| 11:00 | 05:00 | premarket | mismo día | 0.1 |
| 12:00 | 06:00 | premarket | mismo día | 0.16 |
| 13:00 | 07:00 | premarket | mismo día | 0.48 |
| 14:00 | 08:00 | premarket | mismo día | 1.03 |
| 15:00 | 09:00 | apertura | mismo día | 9.64 |
| 16:00 | 10:00 | sesión regular | mismo día | 12.22 |
| 17:00 | 11:00 | sesión regular | mismo día | 11.27 |
| 18:00 | 12:00 | sesión regular | mismo día | 7.65 |
| 19:00 | 13:00 | sesión regular | mismo día | 6.86 |
| 20:00 | 14:00 | sesión regular | mismo día | 10.12 |
| 21:00 | 15:00 | sesión regular | mismo día | 25.25 |
| 22:00 | 16:00 | after hours | mismo día | 13.77 |
| 23:00 | 17:00 | after hours | mismo día | 0.85 |
| 00:00 | 18:00 | after hours | día siguiente | 0.29 |
| 01:00 | 19:00 | after hours | día siguiente | 0.09 |
- Rows × columns
- 16 × 5
- 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 |
|---|---|---|---|
hora_madrid |
text | 16 distinct values (00:00, 01:00, 10:00…) | |
hora_et |
text | 16 distinct values (04:00, 05:00, 06:00…) | |
tramo |
text | 4 distinct values (after hours, apertura, premarket…) | |
fecha_en_espana |
text | 2 distinct values (día siguiente, mismo día) | |
cuota_pct |
number | 0.09 to 25.25 | 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 minutos AS
(
SELECT
toTimeZone(window_start, 'Europe/Madrid') AS madrid,
toTimeZone(window_start, 'America/New_York') AS nueva_york,
volume
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY'
AND window_start >= '2026-09-01 00:00:00'
AND window_start < '2026-10-01 00:00:00'
AND toHour(toTimeZone(window_start, 'America/New_York')) BETWEEN 4 AND 19
)
SELECT
formatDateTime(madrid, '%H:00') AS hora_madrid,
formatDateTime(nueva_york, '%H:00') AS hora_et,
multiIf(toHour(nueva_york) < 9, 'premarket',
toHour(nueva_york) = 9, 'apertura',
toHour(nueva_york) < 16, 'sesión regular',
'after hours') AS tramo,
if(toDate(madrid) > toDate(nueva_york), 'día siguiente', 'mismo día') AS fecha_en_espana,
round(100 * sum(volume) / (SELECT sum(volume) FROM minutos), 2) AS cuota_pct
FROM minutos
GROUP BY hora_madrid, hora_et, tramo, fecha_en_espana
ORDER BY hora_et
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