weekday_map
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 2026-10-01, from options-expirations-by-weekday.
| weekday | spy_expiry_dates | qqq_expiry_dates | aapl_expiry_dates | ko_expiry_dates |
|---|---|---|---|---|
| Mon | 48 | 48 | 32 | 0 |
| Tue | 52 | 52 | 1 | 0 |
| Wed | 53 | 53 | 35 | 0 |
| Thu | 49 | 49 | 3 | 3 |
| Fri | 49 | 49 | 49 | 49 |
- Rows × columns
- 5 × 5
- 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 (Fri, Mon, Thu…) | |
spy_expiry_dates |
number | 48 to 53 | |
qqq_expiry_dates |
number | 48 to 53 | |
aapl_expiry_dates |
number | 1 to 49 | |
ko_expiry_dates |
number | 0 to 49 |
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
formatDateTime(expiration_date, '%a') AS weekday,
countDistinctIf(expiration_date, underlying_symbol = 'SPY') AS spy_expiry_dates,
countDistinctIf(expiration_date, underlying_symbol = 'QQQ') AS qqq_expiry_dates,
countDistinctIf(expiration_date, underlying_symbol = 'AAPL') AS aapl_expiry_dates,
countDistinctIf(expiration_date, underlying_symbol = 'KO') AS ko_expiry_dates
FROM global_markets.options_greeks
WHERE date >= today() - 400
AND date < today()
AND expiration_date >= today() - 365
AND expiration_date < today()
AND toDayOfWeek(expiration_date) <= 5
AND underlying_symbol IN ('SPY', 'QQQ', 'AAPL', 'KO')
AND volume > 0
GROUP BY weekday
ORDER BY min(toDayOfWeek(expiration_date))
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