As of , published from Oct 20, 2026, 09:47 ET. Source: delayed broker chain.
On the page at squawkflow.com/options-flow/2026-10-20/spy-oct-20-2026-same-day-share: the follow-up at the next settlement and at the Oct 20, 2026 expiry, each added once recorded; the evidence table and the rule that fired; and up to six other SPY snapshots from Oct 20, 2026.
73,549 of 101,326 tracked contracts on Oct 20, 2026, puts 41,961 and calls 31,588. Tracked: up to 40 strikes around the money across 33 expirations.
| Measure | Value |
|---|---|
| Same-day share of volume | 73% |
| Same-day volume (contracts) | 73,549 |
| Same-day calls (contracts) | 31,588 |
| Same-day puts (contracts) | 41,961 |
| Tracked volume (contracts) | 101,326 |
The median is SPY's call/put volume ratio for contracts within a week over the last 8 sessions. 63,070 call and 38,687 put contracts by 10:27 ET on Oct 20, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's call/put volume ratio for contracts within a week over the last 8 sessions. 23,257 call and 15,293 put contracts by 10:12 ET on Oct 20, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's call/put volume ratio for contracts 1 to 3 weeks out over the last 8 sessions. 6,213 call and 3,226 put contracts by 09:47 ET on Oct 20, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
SPY puts expiring that date in the strikes we track traded 1.0x their open interest, by 09:42 ET on Oct 20, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's call/put volume ratio for contracts within a week over the last 8 sessions. 2,490 call and 1,413 put contracts by 09:37 ET on Oct 20, 2026. Tracked: up to 40 strikes around the money across 33 expirations.