CMG · CALLS · OCT 9Settled
Open interest in CMG calls expiring Oct 9 fell 15,235 at the Oct 8 settlement
As of . Source: Cboe settlement open interest archive.
80,881 to 65,646 contracts between the Oct 7 and Oct 8 settlements, 19% of the prior figure.
Evidence
The numbers behind this snapshot, Oct 8, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.| Measure | Value |
|---|
| Open interest, earlier settlement | 80,881 |
|---|
| Open interest, later settlement | 65,646 |
|---|
| Change (contracts) | -15,235 |
|---|
| Change as a share of the earlier figure | -19% |
|---|
| Earlier settlement | Oct 7, 2026 |
|---|
| Later settlement | Oct 8, 2026 |
|---|
| Days to expiry | 1 |
|---|
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: -15,235; Change as a share of the earlier figure: -0.1884
- Contracts traded behind each figure
- Open interest changed: 36
- Baseline
- median absolute open interest change share, contracts within a week: 0.0597
- Baseline window
- last 20 sessions
- Baseline n
- 15
- 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.
CMGCOCT 23Open interest change
6,287 to 12,551 contracts between the Oct 7 and Oct 8 settlements, 100% of the prior figure.