SPX · PUTS · NOV 5Settled

Open interest in SPX puts expiring Nov 5 rose 104,867 at the Nov 4 settlement

As of Nov 4, 2026 settlement. Source: settlement open interest archive.

On the page at squawkflow.com/options-flow/2026-11-04/spx-puts-nov-5-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other SPX snapshots from Nov 4, 2026.

111,437 to 216,304 contracts between the Nov 3 and Nov 4 settlements, 94% of the prior figure.

Evidence

The numbers behind this snapshot, Nov 4, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.
Measure	Value
Open interest, earlier settlement	111,437
Open interest, later settlement	216,304
Change (contracts)	+104,867
Change as a share of the earlier figure	94%
Earlier settlement	Nov 3, 2026
Later settlement	Nov 4, 2026
Days to expiry	1

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: 104,867; Change as a share of the earlier figure: 0.941
Contracts traded behind each figure: Open interest changed: 201
Baseline: median absolute open interest change share, contracts within a week: 0.1714
Baseline window: last 20 sessions
Baseline n: 20
Claim level: 0, a reported fact

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

SPXCNOV 5Open interest change
Settled
Open interest in SPX calls expiring Nov 5 rose 93,681 at the Nov 4 settlement
61,267 to 154,948 contracts between the Nov 3 and Nov 4 settlements, 153% of the prior figure.
Source: settlement open interest archiveDetails