QQQPOCT 28Open interest change
Open interest in QQQ puts expiring Oct 28 rose 114,062 at the Oct 27 settlement
98,946 to 213,008 contracts between the Oct 26 and Oct 27 settlements, 115% of the prior figure.
QQQ · PUTS · NOV 4Settled
Open interest in QQQ puts expiring Nov 4 (1 week out) rose 11,012 at the Oct 27 settlement
As of . Source: settlement open interest archive.
On the page at squawkflow.com/options-flow/2026-10-27/qqq-puts-nov-4-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other QQQ snapshots from Oct 27, 2026.
12,100 to 23,112 contracts between the Oct 26 and Oct 27 settlements, 91% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 12,100 |
| Open interest, later settlement | 23,112 |
| Change (contracts) | +11,012 |
| Change as a share of the earlier figure | 91% |
| Earlier settlement | Oct 26, 2026 |
| Later settlement | Oct 27, 2026 |
| Days to expiry | 8 |
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: 11,012; Change as a share of the earlier figure: 0.9101
- Contracts traded behind each figure
- Open interest changed: 70
- Baseline
- median absolute open interest change share, contracts 1 to 3 weeks out: 0.2505
- 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.
More QQQ snapshots, Oct 27, 2026
All QQQ snapshots on the hub- QQQCNOV 2Put/call by expiry
QQQ calls outnumbered puts 4.7 to 1 expiring Nov 2, vs a 0.9 median
The median is QQQ's call/put volume ratio for contracts within a week over the last 13 sessions. 46,778 call and 9,929 put contracts by 15:59 ET on Oct 27, 2026. Tracked: up to 40 strikes around the money across 31 expirations.
- QQQCNOV 13Put/call by expiry
QQQ calls outnumbered puts 2.7 to 1 expiring Nov 13 (2 weeks out), vs a 0.7 median
The median is QQQ's call/put volume ratio for contracts 1 to 3 weeks out over the last 13 sessions. 10,006 call and 3,753 put contracts by 15:59 ET on Oct 27, 2026. Tracked: up to 40 strikes around the money across 31 expirations.
- QQQNear vs far dates
QQQ put/call volume ratio held at 0.75 within 3 weeks, against 1.53 1 to 3 months out
Within 3 weeks: 356,636 put and 474,271 call contracts. 1 to 3 months out: 10,044 put and 6,551 call contracts. By 09:55 ET on Oct 27, 2026. Tracked: up to 40 strikes around the money across 32 expirations.
- QQQC717OCT 27Volume vs open interest
QQQ 717 calls expiring Oct 27 (same day) traded 10.9x their open interest
QQQ calls expiring that date in the strikes we track traded 1.8x their open interest, by 09:40 ET on Oct 27, 2026. Tracked: up to 40 strikes around the money across 32 expirations.
- QQQCOCT 27Put/call by expiry
QQQ calls outnumbered puts 1.9 to 1 expiring Oct 27 (same day), vs a 1.1 median
The median is QQQ's call/put volume ratio for contracts same day over the last 12 sessions. 187,342 call and 97,386 put contracts by 09:40 ET on Oct 27, 2026. Tracked: up to 40 strikes around the money across 32 expirations.