BMY · PUTS · OCT 23Settled
Open interest in BMY puts expiring Oct 23 (2 weeks out) rose 5,107 at the Oct 7 settlement
As of . Source: Cboe settlement open interest archive.
1,672 to 6,779 contracts between the Oct 6 and Oct 7 settlements, 305% 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 | 1,672 |
|---|
| Open interest, later settlement | 6,779 |
|---|
| Change (contracts) | +5,107 |
|---|
| Change as a share of the earlier figure | 305% |
|---|
| Earlier settlement | Oct 6, 2026 |
|---|
| Later settlement | Oct 7, 2026 |
|---|
| Days to expiry | 16 |
|---|
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: 5,107; Change as a share of the earlier figure: 3.0544
- Contracts traded behind each figure
- Open interest changed: 4
- Baseline
- median absolute open interest change share, contracts 1 to 3 weeks out: 0.1108
- Baseline window
- last 20 sessions
- Baseline n
- 18
- 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.
BMYPNOV 20Open interest change
15,873 to 24,170 contracts between the Oct 6 and Oct 7 settlements, 52% of the prior figure.