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Contract OI history

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Dec 18, 2026 EXPIRATION

CMCSA $29.00 Call

CMCSA261218C00029000

Latest saved OI2,304Oct 23, 2026
Last change-30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $29.00 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. 2,6011,3000 2026-10-09: 2,552 OI2026-10-13: 2,601 OI2026-10-14: 2,601 OI2026-10-15: 2,395 OI2026-10-16: 2,395 OI2026-10-21: 2,334 OI2026-10-23: 2,304 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, 2026Viewing2,304-30
Oct 21, 20262,334-61
Oct 16, 20262,3950
Oct 15, 20262,395-206
Oct 14, 20262,6010
Oct 13, 20262,601+49
Oct 09, 20262,552No prior observation