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Contract OI history

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Mar 19, 2027 EXPIRATION

CMCSA $27.00 Call

CMCSA270319C00027000

Latest saved OI664Oct 23, 2026
Last change+46vs 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. 6643320 2026-10-09: 655 OI2026-10-13: 659 OI2026-10-14: 659 OI2026-10-15: 659 OI2026-10-16: 656 OI2026-10-21: 618 OI2026-10-23: 664 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, 2026Viewing664+46
Oct 21, 2026618-38
Oct 16, 2026656-3
Oct 15, 20266590
Oct 14, 20266590
Oct 13, 2026659+4
Oct 09, 2026655No prior observation