IWMCNOV 2Open interest change
Open interest in IWM calls expiring Nov 2 rose 33,428 at the Oct 29 settlement
13,048 to 46,476 contracts between the Oct 28 and Oct 29 settlements, 256% of the prior figure.
IWM · PUTS · NOV 10Settled
Open interest in IWM puts expiring Nov 10 (2 weeks out) rose 2,130 at the Oct 29 settlement
As of . Source: settlement open interest archive.
On the page at squawkflow.com/options-flow/2026-10-29/iwm-puts-nov-10-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other IWM snapshots from Oct 29, 2026.
1,820 to 3,950 contracts between the Oct 28 and Oct 29 settlements, 117% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 1,820 |
| Open interest, later settlement | 3,950 |
| Change (contracts) | +2,130 |
| Change as a share of the earlier figure | 117% |
| Earlier settlement | Oct 28, 2026 |
| Later settlement | Oct 29, 2026 |
| Days to expiry | 12 |
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: 2,130; Change as a share of the earlier figure: 1.1703
- Contracts traded behind each figure
- Open interest changed: 22
- Baseline
- median absolute open interest change share, contracts 1 to 3 weeks out: 0.1815
- 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.