buiten_de_sessie
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.
| ticker | reguliere_sessie_pct | premarket_pct | after_hours_pct |
|---|---|---|---|
| SPY | 83.5 | 2.6 | 13.8 |
| NVDA | 88.8 | 4.2 | 7 |
| MSFT | 91.3 | 3.7 | 5 |
| AAPL | 92.8 | 2.1 | 5.1 |
| KO | 93.6 | 0.8 | 5.6 |
- Rows × columns
- 5 × 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 | 5 distinct values (AAPL, KO, MSFT…) | |
reguliere_sessie_pct |
number | 83.5 to 93.6 | percent |
premarket_pct |
number | 0.8 to 4.2 | percent |
after_hours_pct |
number | 5 to 13.8 | 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.
SELECT
ticker,
round(100 * sumIf(toFloat64(volume), et_min >= 570 AND et_min < 960) / sum(toFloat64(volume)), 1) AS reguliere_sessie_pct,
round(100 * sumIf(toFloat64(volume), et_min < 570) / sum(toFloat64(volume)), 1) AS premarket_pct,
round(100 * sumIf(toFloat64(volume), et_min >= 960) / sum(toFloat64(volume)), 1) AS after_hours_pct
FROM
(
SELECT
ticker,
volume,
toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York')) AS et_min
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker IN ('SPY', 'AAPL', 'MSFT', 'NVDA', 'KO')
AND window_start >= today() - 50
AND window_start < today() - 2
)
GROUP BY ticker
ORDER BY premarket_pct + after_hours_pct DESC
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