OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CAH $250.00 Call

CAH270115C00250000

Latest saved OI264Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAH $250.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2741370 2026-10-02: 274 OI2026-10-05: 274 OI2026-10-06: 274 OI2026-10-07: 274 OI2026-10-08: 274 OI2026-10-09: 274 OI2026-10-13: 274 OI2026-10-14: 274 OI2026-10-15: 274 OI2026-10-16: 270 OI2026-10-21: 266 OI2026-10-23: 264 OI Oct 02, 2026Oct 23, 2026

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

CAH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing264-2
Oct 21, 2026266-4
Oct 16, 2026270-4
Oct 15, 20262740
Oct 14, 20262740
Oct 13, 20262740
Oct 09, 20262740
Oct 08, 20262740
Oct 07, 20262740
Oct 06, 20262740
Oct 05, 20262740
Oct 02, 2026274No prior observation