OITracker Cboe delayed data

Contract OI history

Back to ET

Oct 23, 2026 EXPIRATION

ET $22.50 Call

ET261023C00022500

Latest saved OI162Oct 08, 2026
Last change0vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $22.50 call open interest history 5 saved observations from 2026-10-02 to 2026-10-08. Exact values and changes are listed in the table below. 164820 2026-10-02: 164 OI2026-10-05: 163 OI2026-10-06: 162 OI2026-10-07: 162 OI2026-10-08: 162 OI Oct 02, 2026Oct 08, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 08, 2026Viewing1620
Oct 07, 20261620
Oct 06, 2026162-1
Oct 05, 2026163-1
Oct 02, 2026164No prior observation