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Contract OI history

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Jan 15, 2027 EXPIRATION

CMCSA $27.50 Call

CMCSA270115C00027500

Latest saved OI16,604Oct 23, 2026
Last change+15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $27.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 16,6228,3110 2026-10-09: 16,622 OI2026-10-13: 16,621 OI2026-10-14: 16,621 OI2026-10-15: 16,603 OI2026-10-16: 16,597 OI2026-10-21: 16,589 OI2026-10-23: 16,604 OI Oct 09, 2026Oct 23, 2026

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

CMCSA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing16,604+15
Oct 21, 202616,589-8
Oct 16, 202616,597-6
Oct 15, 202616,603-18
Oct 14, 202616,6210
Oct 13, 202616,621-1
Oct 09, 202616,622No prior observation