por_ticker
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 2026-10-04, from us-market-volume-by-hour-brasilia-time.
| ticker | pct_primeira_hora | pct_ultima_hora | delta_pp |
|---|---|---|---|
| SPY | 19.9 | 30.2 | 10.4 |
| PG | 22.5 | 28.6 | 6 |
| KO | 23.8 | 28.2 | 4.5 |
| AAPL | 26.2 | 23.1 | -3.1 |
| MSFT | 28.6 | 22.1 | -6.5 |
| NVDA | 27.9 | 20.1 | -7.8 |
- Rows × columns
- 6 × 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 |
|---|---|---|---|
ticker |
text | 6 distinct values (AAPL, KO, MSFT…) | |
pct_primeira_hora |
number | 19.9 to 28.6 | percent |
pct_ultima_hora |
number | 20.1 to 30.2 | percent |
delta_pp |
number | -7.8 to 10.4 |
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 barras AS
(
SELECT
ticker,
toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York')) AS minuto_et,
volume
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker IN ('SPY', 'AAPL', 'MSFT', 'NVDA', 'KO', 'PG')
AND window_start >= '2026-07-01 08:00:00'
AND window_start < '2026-10-01 08:00:00'
)
SELECT
ticker,
round(toFloat64(sumIf(volume, minuto_et >= 570 AND minuto_et < 630)) * 100
/ toFloat64(sum(volume)), 1) AS pct_primeira_hora,
round(toFloat64(sumIf(volume, minuto_et >= 900 AND minuto_et <= 960)) * 100
/ toFloat64(sum(volume)), 1) AS pct_ultima_hora,
round(toFloat64(sumIf(volume, minuto_et >= 900 AND minuto_et <= 960)) * 100
/ toFloat64(sum(volume))
- toFloat64(sumIf(volume, minuto_et >= 570 AND minuto_et < 630)) * 100
/ toFloat64(sum(volume)), 1) AS delta_pp
FROM barras
WHERE minuto_et >= 570 AND minuto_et <= 960
GROUP BY ticker
ORDER BY pct_ultima_hora DESC
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