SPX · PUTS · NOV 3Settled

Open interest in SPX puts expiring Nov 3 rose 138,097 at the Nov 2 settlement

As of Nov 2, 2026 settlement. Source: settlement open interest archive.

On the page at squawkflow.com/options-flow/2026-11-02/spx-puts-nov-3-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other SPX snapshots from Nov 2, 2026.

160,511 to 298,608 contracts between the Oct 30 and Nov 2 settlements, 86% of the prior figure.

Evidence

The numbers behind this snapshot, Nov 2, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.
Measure	Value
Open interest, earlier settlement	160,511
Open interest, later settlement	298,608
Change (contracts)	+138,097
Change as a share of the earlier figure	86%
Earlier settlement	Oct 30, 2026
Later settlement	Nov 2, 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: 138,097; Change as a share of the earlier figure: 0.8604
Contracts traded behind each figure: Open interest changed: 202
Baseline: median absolute open interest change share, contracts within a week: 0.1694
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 3Open interest change
Settled
Open interest in SPX calls expiring Nov 3 rose 96,148 at the Nov 2 settlement
83,954 to 180,102 contracts between the Oct 30 and Nov 2 settlements, 115% of the prior figure.
Source: settlement open interest archiveDetails