IWMCOCT 13Open interest change
Open interest in IWM calls expiring Oct 13 rose 6,979 at the Oct 8 settlement
10,189 to 17,168 contracts between the Oct 7 and Oct 8 settlements, 68% of the prior figure.
IWM · 262 · PUTS · NOV 20Settled
IWM 262 puts expiring Nov 20 traded 7.0x their open interest
As of , published from Oct 8, 2026, 16:11 ET. Source: Schwab options chain.
IWM puts expiring that date in the strikes we track traded 0.3x their open interest, by 15:56 ET on Oct 8, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
Evidence
| Measure | Value |
|---|---|
| Volume / prior open interest, this strike | 7.0x |
| Volume / prior open interest, the expiry's tracked strikes | 0.34x |
| Days to expiry | 43 |
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: 0.34; Ratio: 6.97
- Contracts traded behind each figure
- Expiry puts: 38
- Baseline
- this expiry's put volume/open interest, same session: 0.34
- Baseline window
- same expiry, same session (n = strikes with open interest)
- Baseline n
- 38
- Claim level
- 1, arithmetic on reported figures
What happened next
- Next settlement: Open interest in IWM 262 puts expiring Nov 20 rose 8,864 at the Oct 8 settlement.
- Expiry, Nov 20, 2026: Pending expiry.
More IWM snapshots, Oct 8, 2026
All IWM snapshots on the hub- IWMPNOV 13Open interest change
Open interest in IWM puts expiring Nov 13 rose 5,715 at the Oct 8 settlement
8,578 to 14,293 contracts between the Oct 7 and Oct 8 settlements, 67% of the prior figure.
- IWMPNOV 20Put/call by expiry
IWM puts expiring Nov 20 traded 4.5x the calls on that date
199,289 put and 43,970 call contracts by 15:56 ET on Oct 8, 2026. Est. premium $57.7M puts, $18.2M calls. Tracked: up to 40 strikes around the money across 33 expirations.
- IWMPNOV 6Put/call by expiry
IWM puts expiring Nov 6 traded 2.8x the calls on that date
11,625 put and 4,103 call contracts by 15:56 ET on Oct 8, 2026. Est. premium $3.6M puts, $1.6M calls. Tracked: up to 40 strikes around the money across 33 expirations.
- IWMNear vs far dates
IWM put/call volume ratio held at 1.22 within 3 weeks, against 3.47 1 to 3 months out
Within 3 weeks: 511,253 put and 420,014 call contracts. 1 to 3 months out: 259,486 put and 74,819 call contracts. By 15:56 ET on Oct 8, 2026. Tracked: up to 40 strikes around the money across 33 expirations.