friday_tail
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 2026-09-23, from when-do-spx-options-stop-trading.
| et_time | weekly_spxw_contracts | am_settled_spx_contracts | am_settled_afternoon_total |
|---|---|---|---|
| 15:00 | 70497 | 0 | 0 |
| 15:10 | 82968 | 0 | 0 |
| 15:20 | 63060 | 0 | 0 |
| 15:30 | 64355 | 0 | 0 |
| 15:40 | 85554 | 0 | 0 |
| 15:50 | 161462 | 0 | 0 |
| 16:00 | 409 | 0 | 0 |
- Rows × columns
- 7 × 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 |
|---|---|---|---|
et_time |
text | 7 distinct values (15:00, 15:10, 15:20…) | |
weekly_spxw_contracts |
number | 409 to 161,462 | count |
am_settled_spx_contracts |
number | every row is 0 | count |
am_settled_afternoon_total |
number | every row is 0 |
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
et_time,
weekly_spxw_contracts,
am_settled_spx_contracts,
sum(am_settled_spx_contracts) OVER () AS am_settled_afternoon_total
FROM
(
SELECT
formatDateTime(toStartOfInterval(toTimeZone(window_start, 'America/New_York'), INTERVAL 10 MINUTE), '%H:%i') AS et_time,
sum(if(startsWith(ticker, 'O:SPXW'), volume, 0)) AS weekly_spxw_contracts,
sum(if(startsWith(ticker, 'O:SPXW'), 0, volume)) AS am_settled_spx_contracts
FROM global_markets.options_minute_aggs
WHERE (startsWith(ticker, 'O:SPX260515') OR startsWith(ticker, 'O:SPXW260515'))
AND window_start >= toDateTime('2026-05-15 19:00:00', 'UTC')
AND window_start < toDateTime('2026-05-15 21:30:00', 'UTC')
GROUP BY et_time
HAVING weekly_spxw_contracts > 0
)
ORDER BY et_time
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