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.
PStrike5.4x
Expiry1.5x
Evidence
The numbers behind this snapshot, Oct 16, 2026, 11:31 ET. Session volume from delayed options chain snapshots, published at least 15 minutes after capture. Totals cover the strikes captured around the money, not every listed strike. Not individual trades. Premium is an estimate: volume times the quote midpoint.
Measure
Value
Volume / prior open interest, this strike
5.4x
Volume / prior open interest, the expiry's tracked strikes
1.5x
Days to expiry
3
Why it fired
Rule
volume/prior OI >= 5.0 and >= 3.0 x this expiry's put volume/OI; prior OI >= 1000; volume >= 2000
Values that cleared it
Expiry ratio: 1.47; Ratio: 5.43
Contracts traded behind each figure
Expiry puts: 30
Baseline
this expiry's put volume/open interest, same session: 1.47
Baseline window
same expiry, same session (n = strikes with open interest)
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.
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.
The median is IWM's put/call volume ratio for contracts 1 to 3 months out over the last 6 sessions. 6,024 put and 1,097 call contracts by 09:56 ET on Oct 16, 2026. Tracked: up to 40 strikes around the money across 33 expirations.