As of , published from Oct 16, 2026, 09:47 ET. The evidence table and the rule that fired are at squawkflow.com/options-flow/2026-10-16/spy-oct-16-2026-same-day-share, where the follow-up at the next settlement and at expiry is added once each is recorded. Source: Schwab options chain.
69,162 of 105,760 tracked contracts on Oct 16, 2026, puts 34,710 and calls 34,452. Tracked: up to 40 strikes around the money across 33 expirations.
| Measure | Value |
|---|---|
| Same-day share of volume | 65% |
| Same-day volume (contracts) | 69,162 |
| Same-day calls (contracts) | 34,452 |
| Same-day puts (contracts) | 34,710 |
| Tracked volume (contracts) | 105,760 |
The median is SPY's put/call volume ratio for contracts 1 to 3 months out over the last 6 sessions. 41,279 put and 15,951 call contracts by 15:57 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 32 expirations.
The median is SPY's put/call volume ratio for contracts 1 to 3 weeks out over the last 6 sessions. 157,210 put and 60,227 call contracts by 15:52 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
SPY puts expiring that date in the strikes we track traded 0.8x their open interest, by 09:52 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
Within 3 weeks: 386,752 put and 334,031 call contracts. 1 to 3 months out: 10,797 put and 4,303 call contracts. By 09:47 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's put/call volume ratio for contracts 1 to 3 months out over the last 6 sessions. 5,076 put and 1,667 call contracts by 09:42 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's put/call volume ratio for contracts within a week over the last 6 sessions. 5,025 put and 2,206 call contracts by 09:42 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.