# Open interest in EWZ calls expiring Dec 17, 2027 rose 12,006 at the Oct 20 settlement

As of the Oct 20, 2026 settlement: Open interest in EWZ calls expiring Dec 17, 2027 rose 12,006 at the Oct 20 settlement.
On the page at https://squawkflow.com/options-flow/2026-10-20/ewz-calls-dec-17-2027-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other EWZ snapshots from Oct 20, 2026.

8,558 to 20,564 contracts between the Oct 19 and Oct 20 settlements, 140% of the prior figure. Source: Cboe settlement open interest archive.

- Session: 2026-10-20
- Kind: Open interest change
- Status: Settled
- Expiry: 2027-12-17 (over 3 months)
- Rule: |change| >= 10000 or (>= 2000 and >= 50% of prior), and |change share| >= 2.0 x bucket median; prior OI >= 1000
- Baseline: median absolute open interest change share, contracts more than 3 months out, last 20 sessions, n = 7, value 0.007

| Metric | Value |
|---|---:|
| changeShare | 1.4029 |
| daysToExpiry | 423 |
| openInterest | 20564 |
| openInterestChange | 12006 |
| priorOpenInterest | 8558 |
| priorSettlement | 2026-10-19 |
| settlement | 2026-10-20 |

## What happened next

This snapshot is itself a settlement figure.

Caveat: Open interest change, not trades; it does not say which side opened or closed.

Session page: https://squawkflow.com/options-flow/2026-10-20

## Citation

Source: SquawkFlow, https://squawkflow.com/options-flow/2026-10-20/ewz-calls-dec-17-2027-open-interest-change
Retrieved: 2026-10-21 10:16 ET
Attribution: cite the page URL rather than a copied number. Levels are
recomputed every session, so a number without its date is wrong within a day.

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