XLF · PUTS · NOV 20Settled

Open interest in XLF puts expiring Nov 20 rose 132,494 at the Oct 8 settlement

As of Oct 8, 2026 settlement. Source: Cboe settlement open interest archive.

441,881 to 574,375 contracts between the Oct 7 and Oct 8 settlements, 30% of the prior figure.

Evidence

The numbers behind this snapshot, Oct 8, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.
Measure	Value
Open interest, earlier settlement	441,881
Open interest, later settlement	574,375
Change (contracts)	+132,494
Change as a share of the earlier figure	30%
Earlier settlement	Oct 7, 2026
Later settlement	Oct 8, 2026
Days to expiry	43

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: 132,494; Change as a share of the earlier figure: 0.2998
Contracts traded behind each figure: Open interest changed: 19
Baseline: median absolute open interest change share, contracts 1 to 3 months out: 0.0256
Baseline window: last 20 sessions
Baseline n: 18
Claim level: 0, a reported fact

This snapshot is itself a settlement figure, so it has no follow-up of its own.

XLFCOCT 16Open interest change
Settled
Open interest in XLF calls expiring Oct 16 (1 week out) rose 51,274 at the Oct 8 settlement
367,036 to 418,310 contracts between the Oct 7 and Oct 8 settlements, 14% of the prior figure.
Source: Cboe settlement open interest archiveXLF page Details