EWZ · CALLS · JUL 16 '27Settled
Open interest in EWZ calls expiring Jul 16, 2027 rose 15,003 at the Oct 8 settlement
As of . Source: Cboe settlement open interest archive.
45,957 to 60,960 contracts between the Oct 7 and Oct 8 settlements, 33% 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 | 45,957 |
|---|
| Open interest, later settlement | 60,960 |
|---|
| Change (contracts) | +15,003 |
|---|
| Change as a share of the earlier figure | 33% |
|---|
| Earlier settlement | Oct 7, 2026 |
|---|
| Later settlement | Oct 8, 2026 |
|---|
| Days to expiry | 281 |
|---|
Why it fired
- Rule
- |change| >= 10000 or (>= 2000 and >= 50% of prior) (absolute: baseline n 1 < 5); prior OI >= 1000
- Values that cleared it
- Change: 15,003; Change as a share of the earlier figure: 0.3265
- Contracts traded behind each figure
- Open interest changed: 6
- Baseline
- median absolute open interest change share, contracts more than 3 months out: 0.024
- Baseline window
- last 20 sessions
- Baseline n
- 1, so the fixed threshold applied
- 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.
EWZCJAN 15 '27Open interest change
526,679 to 584,724 contracts between the Oct 7 and Oct 8 settlements, 11% of the prior figure.
Before526,679
After584,724