Percent of regular hours volume printed in the 4:00 p.m. minute, six large listings
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 2026-08-22, from Quadruple Witching vs Triple Witching.
| symbol | expiry_close_pct | ordinary_close_pct |
|---|---|---|
| AAPL | 3.4 | 2.05 |
| NVDA | 1.55 | 2.12 |
| MSFT | 1.43 | 0.47 |
| KO | 1.24 | 0.48 |
| JNJ | 0.79 | 0.4 |
| XOM | 0 | 0.26 |
- Rows × columns
- 6 × 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 |
|---|---|---|---|
symbol |
text | 6 distinct values (AAPL, JNJ, KO…) | |
expiry_close_pct |
number | 0 to 3.4 | percent |
ordinary_close_pct |
number | 0.26 to 2.12 | 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.
the exact SQL behind every number
WITH bars AS
(
SELECT
ticker,
toDate(toTimeZone(window_start, 'America/New_York')) AS session,
(toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) AS et_minute,
toFloat64(volume) AS vol
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker IN ('AAPL', 'MSFT', 'NVDA', 'KO', 'JNJ', 'XOM')
AND window_start >= '2026-03-20 00:00:00'
AND window_start < '2026-03-28 00:00:00'
AND toDate(toTimeZone(window_start, 'America/New_York')) IN ('2026-03-20', '2026-03-27')
AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) >= 570
AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) <= 960
)
SELECT
ticker AS symbol,
round(100 * sumIf(vol, session = '2026-03-20' AND et_minute = 960)
/ sumIf(vol, session = '2026-03-20'), 2) AS expiry_close_pct,
round(100 * sumIf(vol, session = '2026-03-27' AND et_minute = 960)
/ sumIf(vol, session = '2026-03-27'), 2) AS ordinary_close_pct
FROM bars
GROUP BY symbol
HAVING sumIf(vol, session = '2026-03-20') > 0
AND sumIf(vol, session = '2026-03-27') > 0
ORDER BY expiry_close_pct DESC
Run your own version of this
The same 22 years of US equities and 12 years of options data are queryable in SQL or plain English. A free account runs 100 queries a day and takes no card.
More from this analysisQuadruple Witching vs Triple Witching
Average absolute open to close move on SPY Fridays, expiration vs ordinary, by year
ranking 10×4
→
Share of SPY regular hours volume by half hour: expiration Friday vs the Friday after
series 14×3
→
SPY volume on quarterly expiration Fridays, against the average ordinary Friday
series 13×4
→
Was the April expiration Friday a trading day?
ranking 11×4
→
AAPL contracts traded into each 2026 expiration date, H1
series 68×4
→
Every Friday of 2026 through July, shortest session first
series 31×4
→
See all 2,170 queries →