As of , published from Oct 16, 2026, 09:51 ET. The evidence table and the rule that fired are at squawkflow.com/options-flow/2026-10-16/iwm-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.
34,322 of 52,659 tracked contracts on Oct 16, 2026, puts 14,264 and calls 20,058. Tracked: up to 40 strikes around the money across 33 expirations.
| Measure | Value |
|---|---|
| Same-day share of volume | 65% |
| Same-day volume (contracts) | 34,322 |
| Same-day calls (contracts) | 20,058 |
| Same-day puts (contracts) | 14,264 |
| Tracked volume (contracts) | 52,659 |
The median is IWM's put/call volume ratio for contracts 1 to 3 months out over the last 6 sessions. 128,578 put and 15,658 call contracts by 13:16 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
Within 3 weeks: 691,604 put and 385,029 call contracts. 1 to 3 months out: 159,177 put and 34,273 call contracts. By 13:16 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is IWM's put/call volume ratio for contracts within a week over the last 6 sessions. 93,988 put and 43,063 call contracts by 12:56 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
IWM puts expiring that date in the strikes we track traded 1.5x their open interest, by 11:31 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is IWM's call/put volume ratio for contracts 1 to 3 weeks out over the last 6 sessions. 4,098 call and 597 put contracts by 10:50 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is IWM's put/call volume ratio for contracts within a week over the last 6 sessions. 4,063 put and 1,666 call contracts by 10:17 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.