QQQ · PUTS · OCT 20Settled

Open interest in QQQ puts expiring Oct 20 (2 weeks out) rose 2,432 at the Oct 7 settlement

As of Oct 7, 2026 settlement. Source: Cboe settlement open interest archive.

1,832 to 4,264 contracts between the Oct 6 and Oct 7 settlements, 133% of the prior figure.

Evidence

The numbers behind this snapshot, Oct 7, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.
Measure	Value
Open interest, earlier settlement	1,832
Open interest, later settlement	4,264
Change (contracts)	+2,432
Change as a share of the earlier figure	133%
Earlier settlement	Oct 6, 2026
Later settlement	Oct 7, 2026
Days to expiry	13

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: 2,432; Change as a share of the earlier figure: 1.3275
Contracts traded behind each figure: Open interest changed: 87
Baseline: median absolute open interest change share, contracts 1 to 3 weeks out: 0.2803
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.

QQQCOCT 8Open interest change
Settled
Open interest in QQQ calls expiring Oct 8 rose 59,649 at the Oct 7 settlement
37,520 to 97,169 contracts between the Oct 6 and Oct 7 settlements, 159% of the prior figure.
Source: Cboe settlement open interest archiveQQQ page Details