BMY · PUTS · NOV 20Settled
Open interest in BMY puts expiring Nov 20 rose 8,297 at the Oct 7 settlement
As of . Source: Cboe settlement open interest archive.
15,873 to 24,170 contracts between the Oct 6 and Oct 7 settlements, 52% 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 | 15,873 |
|---|
| Open interest, later settlement | 24,170 |
|---|
| Change (contracts) | +8,297 |
|---|
| Change as a share of the earlier figure | 52% |
|---|
| Earlier settlement | Oct 6, 2026 |
|---|
| Later settlement | Oct 7, 2026 |
|---|
| Days to expiry | 44 |
|---|
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: 8,297; Change as a share of the earlier figure: 0.5227
- Contracts traded behind each figure
- Open interest changed: 8
- Baseline
- median absolute open interest change share, contracts 1 to 3 months out: 0.0197
- 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.
BMYPOCT 23Open interest change
1,672 to 6,779 contracts between the Oct 6 and Oct 7 settlements, 305% of the prior figure.