EWZPOCT 23Open interest change
Open interest in EWZ puts expiring Oct 23 (1 week out) rose 66,434 at the Oct 14 settlement
111,420 to 177,854 contracts between the Oct 13 and Oct 14 settlements, 60% of the prior figure.
EWZ · PUTS · NOV 6Settled
Open interest in EWZ puts expiring Nov 6 rose 8,191 at the Oct 14 settlement
As of . The evidence table and the rule this settlement figure passed are at squawkflow.com/options-flow/2026-10-14/ewz-puts-nov-6-2026-open-interest-change. Source: Cboe settlement open interest archive.
7,228 to 15,419 contracts between the Oct 13 and Oct 14 settlements, 113% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 7,228 |
| Open interest, later settlement | 15,419 |
| Change (contracts) | +8,191 |
| Change as a share of the earlier figure | 113% |
| Earlier settlement | Oct 13, 2026 |
| Later settlement | Oct 14, 2026 |
| Days to expiry | 23 |
Why it fired
- Rule
- |change| >= 10000 or (>= 2000 and >= 50% of prior) (absolute: baseline n 4 < 5); prior OI >= 1000
- Values that cleared it
- Change: 8,191; Change as a share of the earlier figure: 1.1332
- Contracts traded behind each figure
- Open interest changed: 25
- Baseline
- median absolute open interest change share, contracts 1 to 3 months out: 0.0144
- Baseline window
- last 20 sessions
- Baseline n
- 4, 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.