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Contract OI history

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Mar 19, 2027 EXPIRATION

CMCSA $28.00 Call

CMCSA270319C00028000

Latest saved OI2,469Oct 23, 2026
Last change-570vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $28.00 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. 3,0391,5190 2026-10-09: 2,850 OI2026-10-13: 2,852 OI2026-10-14: 2,852 OI2026-10-15: 2,852 OI2026-10-16: 2,852 OI2026-10-21: 3,039 OI2026-10-23: 2,469 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, 2026Viewing2,469-570
Oct 21, 20263,039+187
Oct 16, 20262,8520
Oct 15, 20262,8520
Oct 14, 20262,8520
Oct 13, 20262,852+2
Oct 09, 20262,850No prior observation