SPX · PUTS · NOV 10Settled

Open interest in SPX puts expiring Nov 10 rose 110,246 at the Nov 9 settlement

As of . Source: settlement open interest archive.

On the page at squawkflow.com/options-flow/2026-11-09/spx-puts-nov-10-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other SPX snapshots from Nov 9, 2026.

93,892 to 204,138 contracts between the Nov 6 and Nov 9 settlements, 117% of the prior figure.

Evidence

The numbers behind this snapshot, Nov 9, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.
MeasureValue
Open interest, earlier settlement93,892
Open interest, later settlement204,138
Change (contracts)+110,246
Change as a share of the earlier figure117%
Earlier settlementNov 6, 2026
Later settlementNov 9, 2026
Days to expiry1

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: 110,246; Change as a share of the earlier figure: 1.1742
Contracts traded behind each figure
Open interest changed: 226
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

What happened next

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

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