EWZPNOV 27Open interest change
Open interest in EWZ puts expiring Nov 27 rose 3,732 at the Oct 15 settlement
4,002 to 7,734 contracts between the Oct 14 and Oct 15 settlements, 93% of the prior figure.
EWZ · PUTS · OCT 30Settled
Open interest in EWZ puts expiring Oct 30 (2 weeks out) rose 175,990 at the Oct 15 settlement
As of . The evidence table and the rule this settlement figure passed are at squawkflow.com/options-flow/2026-10-15/ewz-puts-oct-30-2026-open-interest-change. Source: Cboe settlement open interest archive.
467,408 to 643,398 contracts between the Oct 14 and Oct 15 settlements, 38% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 467,408 |
| Open interest, later settlement | 643,398 |
| Change (contracts) | +175,990 |
| Change as a share of the earlier figure | 38% |
| Earlier settlement | Oct 14, 2026 |
| Later settlement | Oct 15, 2026 |
| Days to expiry | 15 |
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: 175,990; Change as a share of the earlier figure: 0.3765
- Contracts traded behind each figure
- Open interest changed: 29
- Baseline
- median absolute open interest change share, contracts 1 to 3 weeks out: 0.0601
- Baseline window
- last 20 sessions
- Baseline n
- 5
- 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.