QQQPOCT 21Open interest change
Open interest in QQQ puts expiring Oct 21 (2 weeks out) rose 6,630 at the Oct 8 settlement
2,848 to 9,478 contracts between the Oct 7 and Oct 8 settlements, 233% of the prior figure.
QQQ · PUTS · NOV 13Settled
Open interest in QQQ puts expiring Nov 13 rose 21,900 at the Oct 8 settlement
As of . Source: Cboe settlement open interest archive.
14,795 to 36,695 contracts between the Oct 7 and Oct 8 settlements, 148% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 14,795 |
| Open interest, later settlement | 36,695 |
| Change (contracts) | +21,900 |
| Change as a share of the earlier figure | 148% |
| Earlier settlement | Oct 7, 2026 |
| Later settlement | Oct 8, 2026 |
| Days to expiry | 36 |
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: 21,900; Change as a share of the earlier figure: 1.4802
- Contracts traded behind each figure
- Open interest changed: 121
- Baseline
- median absolute open interest change share, contracts 1 to 3 months out: 0.044
- Baseline window
- last 20 sessions
- Baseline n
- 19
- 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.
More QQQ snapshots, Oct 8, 2026
All QQQ snapshots on the hub- QQQC747OCT 9Volume vs open interest
QQQ 747 calls expiring Oct 9 traded 25.7x their open interest
QQQ calls expiring that date in the strikes we track traded 5.2x their open interest, by 15:59 ET on Oct 8, 2026. Tracked: up to 40 strikes around the money across 32 expirations.