SPX · CALLS · NOV 13Settled

Open interest in SPX calls expiring Nov 13 rose 91,643 at the Nov 12 settlement

As of Nov 12, 2026 settlement. Source: settlement open interest archive.

On the page at squawkflow.com/options-flow/2026-11-12/spx-calls-nov-13-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other SPX snapshots from Nov 12, 2026.

190,830 to 282,473 contracts between the Nov 11 and Nov 12 settlements, 48% of the prior figure.

Evidence

The numbers behind this snapshot, Nov 12, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.
Measure	Value
Open interest, earlier settlement	190,830
Open interest, later settlement	282,473
Change (contracts)	+91,643
Change as a share of the earlier figure	48%
Earlier settlement	Nov 11, 2026
Later settlement	Nov 12, 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: 91,643; Change as a share of the earlier figure: 0.4802
Contracts traded behind each figure: Open interest changed: 153
Baseline: median absolute open interest change share, contracts within a week: 0.1831
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.

SPXPNOV 19Open interest change
Settled
Open interest in SPX puts expiring Nov 19 (1 week out) rose 14,394 at the Nov 12 settlement
53,270 to 67,664 contracts between the Nov 11 and Nov 12 settlements, 27% of the prior figure.
Source: settlement open interest archiveDetails