SPYPNOV 2Open interest change
Open interest in SPY puts expiring Nov 2 rose 182,252 at the Oct 30 settlement
115,121 to 297,373 contracts between the Oct 29 and Oct 30 settlements, 158% of the prior figure.
SPY · PUTS · NOV 4Settled
Open interest in SPY puts expiring Nov 4 rose 145,006 at the Oct 30 settlement
As of . Source: settlement open interest archive.
On the page at squawkflow.com/options-flow/2026-10-30/spy-puts-nov-4-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other SPY snapshots from Oct 30, 2026.
86,143 to 231,149 contracts between the Oct 29 and Oct 30 settlements, 168% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 86,143 |
| Open interest, later settlement | 231,149 |
| Change (contracts) | +145,006 |
| Change as a share of the earlier figure | 168% |
| Earlier settlement | Oct 29, 2026 |
| Later settlement | Oct 30, 2026 |
| Days to expiry | 5 |
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: 145,006; Change as a share of the earlier figure: 1.6833
- Contracts traded behind each figure
- Open interest changed: 89
- Baseline
- median absolute open interest change share, contracts within a week: 0.3412
- 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 SPY snapshots, Oct 30, 2026
All SPY snapshots on the hub- SPYPNOV 4Put/call by expiry
SPY puts expiring Nov 4 traded 2.1x the calls, vs a 1.2x median
The median is SPY's put/call volume ratio for contracts within a week over the last 16 sessions. 58,826 put and 27,522 call contracts by 12:07 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- SPYPFEB 19 '27Put/call by expiry
SPY puts expiring Feb 19, 2027 traded 41.1x the calls, vs a 1.2x median
The median is SPY's put/call volume ratio for contracts more than 3 months out over the last 16 sessions. 21,853 put and 532 call contracts by 09:57 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- SPYCMAR 19 '27Put/call by expiry
SPY calls outnumbered puts 6.0 to 1 expiring Mar 19, 2027, vs a 0.9 median
The median is SPY's call/put volume ratio for contracts more than 3 months out over the last 16 sessions. 12,423 call and 2,072 put contracts by 09:52 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- SPYC761OCT 30Volume vs open interest
SPY 761 calls expiring Oct 30 (same day) traded 7.8x their open interest
SPY calls expiring that date in the strikes we track traded 0.5x their open interest, by 09:37 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 34 expirations.
- SPYPNOV 20Put/call by expiry
SPY puts expiring Nov 20 (3 weeks out) traded 7.7x the calls, vs a 1.3x median
The median is SPY's put/call volume ratio for contracts 1 to 3 weeks out over the last 16 sessions. 4,542 put and 589 call contracts by 09:32 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 34 expirations.