As of , published from Oct 15, 2026, 09:47 ET. The evidence table and the rule that fired are at squawkflow.com/options-flow/2026-10-15/spy-oct-15-2026-same-day-share, where the follow-up at the next settlement and at expiry is added once each is recorded. Source: Schwab options chain.
101,418 of 168,910 tracked contracts on Oct 15, 2026, puts 68,581 and calls 32,837. Tracked: up to 40 strikes around the money across 34 expirations.
| Measure | Value |
|---|---|
| Same-day share of volume | 60% |
| Same-day volume (contracts) | 101,418 |
| Same-day calls (contracts) | 32,837 |
| Same-day puts (contracts) | 68,581 |
| Tracked volume (contracts) | 168,910 |
The median is SPY's put/call volume ratio for contracts 1 to 3 weeks out over the last 5 sessions. 174,086 put and 32,111 call contracts by 12:17 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
The median is SPY's call/put volume ratio for contracts more than 3 months out over the last 5 sessions. 12,544 call and 7,725 put contracts by 09:57 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
Within 3 weeks: 621,207 put and 494,296 call contracts. 1 to 3 months out: 21,788 put and 8,009 call contracts. By 09:52 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
The median is SPY's put/call volume ratio for contracts 1 to 3 months out over the last 5 sessions. 7,610 put and 2,712 call contracts by 09:47 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
SPY calls expiring that date in the strikes we track traded 0.6x their open interest, by 09:37 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
The median is SPY's call/put volume ratio for contracts within a week over the last 5 sessions. 4,673 call and 2,972 put contracts by 09:37 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 34 expirations.