IWMPNOV 10Open interest change
Open interest in IWM puts expiring Nov 10 (2 weeks out) rose 2,130 at the Oct 29 settlement
1,820 to 3,950 contracts between the Oct 28 and Oct 29 settlements, 117% of the prior figure.
IWM · CALLS · NOV 2Settled
Open interest in IWM calls expiring Nov 2 rose 33,428 at the Oct 29 settlement
As of . Source: settlement open interest archive.
On the page at squawkflow.com/options-flow/2026-10-29/iwm-calls-nov-2-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other IWM snapshots from Oct 29, 2026.
13,048 to 46,476 contracts between the Oct 28 and Oct 29 settlements, 256% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 13,048 |
| Open interest, later settlement | 46,476 |
| Change (contracts) | +33,428 |
| Change as a share of the earlier figure | 256% |
| Earlier settlement | Oct 28, 2026 |
| Later settlement | Oct 29, 2026 |
| Days to expiry | 4 |
Why it fired
- Rule
- |change| >= 10000 or (>= 2000 and >= 50% of prior), and |change share| >= 2.0 x bucket median; prior OI >= 1000
- Values that cleared it
- Change: 33,428; Change as a share of the earlier figure: 2.5619
- Contracts traded behind each figure
- Open interest changed: 28
- Baseline
- median absolute open interest change share, contracts within a week: 0.2302
- Baseline window
- last 20 sessions
- Baseline n
- 20
- Claim level
- 0, a reported fact
What happened next
This snapshot is itself a settlement figure, so it has no follow-up of its own.
More IWM snapshots, Oct 29, 2026
All IWM snapshots on the hub- IWMPNOV 13Put/call by expiry
IWM puts expiring Nov 13 (2 weeks out) traded 3.1x the calls, vs a 1.6x median
The median is IWM's put/call volume ratio for contracts 1 to 3 weeks out over the last 15 sessions. 40,643 put and 13,240 call contracts by 15:41 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- IWMPOCT 30Put/call by expiry
IWM puts expiring Oct 30 traded 1.5x the calls, vs a 0.8x median
The median is IWM's put/call volume ratio for contracts within a week over the last 15 sessions. 159,548 put and 105,433 call contracts by 13:36 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- IWMPFEB 19 '27Put/call by expiry
IWM puts expiring Feb 19, 2027 traded 19.8x the calls, vs a 1.2x median
The median is IWM's put/call volume ratio for contracts more than 3 months out over the last 15 sessions. 12,814 put and 648 call contracts by 11:20 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- IWMCNOV 13Put/call by expiry
IWM calls outnumbered puts 4.9 to 1 expiring Nov 13 (2 weeks out), vs a 0.6 median
The median is IWM's call/put volume ratio for contracts 1 to 3 weeks out over the last 15 sessions. 9,720 call and 1,996 put contracts by 10:57 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- IWMCJAN 15 '27Put/call by expiry
IWM calls outnumbered puts 3.7 to 1 expiring Jan 15, 2027, vs a 0.4 median
The median is IWM's call/put volume ratio for contracts 1 to 3 months out over the last 15 sessions. 5,135 call and 1,374 put contracts by 10:11 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 34 expirations.