EWZ · PUTS · NOV 20Settled
Open interest in EWZ puts expiring Nov 20 rose 58,180 at the Oct 7 settlement
As of . Source: Cboe settlement open interest archive.
746,412 to 804,592 contracts between the Oct 6 and Oct 7 settlements, 8% of the prior figure.
Before746,412
After804,592
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 | 746,412 |
|---|
| Open interest, later settlement | 804,592 |
|---|
| Change (contracts) | +58,180 |
|---|
| Change as a share of the earlier figure | 8% |
|---|
| 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) (absolute: baseline n 0 < 5); prior OI >= 1000
- Values that cleared it
- Change: 58,180; Change as a share of the earlier figure: 0.0779
- Contracts traded behind each figure
- Open interest changed: 23
- Baseline
- median absolute open interest change share, contracts 1 to 3 months out: not set yet
- Baseline window
- last 20 sessions
- Baseline n
- 0, 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.
EWZCMAR 19 '27Open interest change
269,689 to 313,520 contracts between the Oct 6 and Oct 7 settlements, 16% of the prior figure.
Before269,689
After313,520