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Contract OI history

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Dec 15, 2028 EXPIRATION

CMCSA $20.00 Call

CMCSA281215C00020000

Latest saved OI852Oct 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 $20.00 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. 8714350 2026-10-09: 871 OI2026-10-13: 871 OI2026-10-14: 871 OI2026-10-15: 871 OI2026-10-16: 871 OI2026-10-21: 867 OI2026-10-23: 852 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, 2026Viewing852-15
Oct 21, 2026867-4
Oct 16, 20268710
Oct 15, 20268710
Oct 14, 20268710
Oct 13, 20268710
Oct 09, 2026871No prior observation