XLFPNOV 20Open interest change
Open interest in XLF puts expiring Nov 20 rose 132,494 at the Oct 8 settlement
441,881 to 574,375 contracts between the Oct 7 and Oct 8 settlements, 30% of the prior figure.
XLF · CALLS · OCT 16Settled
Open interest in XLF calls expiring Oct 16 (1 week out) rose 51,274 at the Oct 8 settlement
As of . Source: Cboe settlement open interest archive.
367,036 to 418,310 contracts between the Oct 7 and Oct 8 settlements, 14% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 367,036 |
| Open interest, later settlement | 418,310 |
| Change (contracts) | +51,274 |
| Change as a share of the earlier figure | 14% |
| Earlier settlement | Oct 7, 2026 |
| Later settlement | Oct 8, 2026 |
| Days to expiry | 8 |
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: 51,274; Change as a share of the earlier figure: 0.1397
- Contracts traded behind each figure
- Open interest changed: 19
- Baseline
- median absolute open interest change share, contracts 1 to 3 weeks out: 0.0359
- Baseline window
- last 20 sessions
- Baseline n
- 18
- 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.