Monday, Wednesday, Friday expirations: distinct option roots carrying an expiry on each weekday
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 Which Stocks Have Daily Options?.
| weekday | roots_with_expiry | contracts_mm |
|---|---|---|
| 1 Monday | 33 | 4.5 |
| 2 Tuesday | 13 | 1.1 |
| 3 Wednesday | 38 | 3.1 |
| 4 Thursday | 17 | 25.8 |
| 5 Friday | 4527 | 89.4 |
- Rows × columns
- 5 × 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 |
|---|---|---|---|
weekday |
text | 5 distinct values (1 Monday, 2 Tuesday, 3 Wednesday…) | |
roots_with_expiry |
number | 13 to 4,527 | |
contracts_mm |
number | 1.1 to 89.4 | count |
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 weekday,
uniqExact(root) AS roots_with_expiry,
round(sum(vol) / 1e6, 1) AS contracts_mm
FROM (
SELECT substring(ticker, 3, length(ticker) - 17) AS root,
toDateOrNull(concat('20', substring(ticker, length(ticker) - 14, 6))) AS expiry,
multiIf(toDayOfWeek(toDateOrNull(concat('20', substring(ticker, length(ticker) - 14, 6)))) = 1, '1 Monday',
toDayOfWeek(toDateOrNull(concat('20', substring(ticker, length(ticker) - 14, 6)))) = 2, '2 Tuesday',
toDayOfWeek(toDateOrNull(concat('20', substring(ticker, length(ticker) - 14, 6)))) = 3, '3 Wednesday',
toDayOfWeek(toDateOrNull(concat('20', substring(ticker, length(ticker) - 14, 6)))) = 4, '4 Thursday',
'5 Friday') AS weekday,
toFloat64(volume) AS vol
FROM global_markets.options_minute_aggs
WHERE window_start >= now() - INTERVAL 8 DAY
)
WHERE expiry >= today() - 3 AND expiry <= today() + INTERVAL 30 DAY
GROUP BY weekday
ORDER BY weekday
Work with this data in your AI assistant
Opens ready to query, with this page's data. Free, no account.