OITracker Cboe delayed data

Contract OI history

Back to ET

Oct 30, 2026 EXPIRATION

ET $22.50 Call

ET261030C00022500

Latest saved OI814Oct 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. 8144070 2026-10-02: 814 OI2026-10-05: 814 OI2026-10-06: 814 OI2026-10-07: 814 OI2026-10-08: 814 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, 2026Viewing8140
Oct 07, 20268140
Oct 06, 20268140
Oct 05, 20268140
Oct 02, 2026814No prior observation