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Contract OI history

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Nov 20, 2026 EXPIRATION

CMCSA $27.00 Call

CMCSA261120C00027000

Latest saved OI465Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $27.00 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. 4652320 2026-10-09: 430 OI2026-10-13: 430 OI2026-10-14: 430 OI2026-10-15: 430 OI2026-10-16: 430 OI2026-10-21: 455 OI2026-10-23: 465 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, 2026Viewing465+10
Oct 21, 2026455+25
Oct 16, 20264300
Oct 15, 20264300
Oct 14, 20264300
Oct 13, 20264300
Oct 09, 2026430No prior observation