EWYCDEC 18Open interest change
Open interest in EWY calls expiring Dec 18 rose 31,636 at the Oct 19 settlement
121,317 to 152,953 contracts between the Oct 16 and Oct 19 settlements, 26% of the prior figure.
EWY · PUTS · JAN 19 '29Settled
Open interest in EWY puts expiring Jan 19, 2029 rose 3,631 at the Oct 19 settlement
As of . Source: Cboe settlement open interest archive.
On the page at squawkflow.com/options-flow/2026-10-19/ewy-puts-jan-19-2029-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other EWY snapshots from Oct 19, 2026.
1,972 to 5,603 contracts between the Oct 16 and Oct 19 settlements, 184% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 1,972 |
| Open interest, later settlement | 5,603 |
| Change (contracts) | +3,631 |
| Change as a share of the earlier figure | 184% |
| Earlier settlement | Oct 16, 2026 |
| Later settlement | Oct 19, 2026 |
| Days to expiry | 823 |
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: 3,631; Change as a share of the earlier figure: 1.8413
- Contracts traded behind each figure
- Open interest changed: 3
- Baseline
- median absolute open interest change share, contracts more than 3 months out: 0.0068
- Baseline window
- last 20 sessions
- Baseline n
- 7
- 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.