OITracker Cboe delayed data

Contract OI history

Back to CMP

Dec 18, 2026 EXPIRATION

CMP $27.50 Call

CMP261218C00027500

Latest saved OI249Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMP $27.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2491240 2026-10-02: 249 OI2026-10-05: 249 OI2026-10-06: 249 OI2026-10-07: 249 OI2026-10-08: 249 OI2026-10-09: 249 OI2026-10-13: 249 OI2026-10-14: 249 OI2026-10-16: 249 OI2026-10-20: 249 OI2026-10-23: 249 OI Oct 02, 2026Oct 23, 2026

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

CMP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2490
Oct 20, 20262490
Oct 16, 20262490
Oct 14, 20262490
Oct 13, 20262490
Oct 09, 20262490
Oct 08, 20262490
Oct 07, 20262490
Oct 06, 20262490
Oct 05, 20262490
Oct 02, 2026249No prior observation