EWZ · CALLS · DEC 18Settled

Open interest in EWZ calls expiring Dec 18 rose 163,841 at the Oct 23 settlement

As of Oct 23, 2026 settlement. Source: settlement open interest archive.

On the page at squawkflow.com/options-flow/2026-10-23/ewz-calls-dec-18-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other EWZ snapshots from Oct 23, 2026.

2,807,912 to 2,971,753 contracts between the Oct 22 and Oct 23 settlements, 6% of the prior figure.

Evidence

The numbers behind this snapshot, Oct 23, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed.
Measure	Value
Open interest, earlier settlement	2,807,912
Open interest, later settlement	2,971,753
Change (contracts)	+163,841
Change as a share of the earlier figure	6%
Earlier settlement	Oct 22, 2026
Later settlement	Oct 23, 2026
Days to expiry	56

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: 163,841; Change as a share of the earlier figure: 0.0583
Contracts traded behind each figure: Open interest changed: 19
Baseline: median absolute open interest change share, contracts 1 to 3 months out: 0.0265
Baseline window: last 20 sessions
Baseline n: 9
Claim level: 0, a reported fact

This snapshot is itself a settlement figure, so it has no follow-up of its own.

EWZCMAR 19 '27Open interest change
Settled
Open interest in EWZ calls expiring Mar 19, 2027 rose 54,546 at the Oct 23 settlement
617,960 to 672,506 contracts between the Oct 22 and Oct 23 settlements, 9% of the prior figure.
Source: settlement open interest archiveEWZ page Details