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Contract OI history

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Dec 18, 2026 EXPIRATION

CMCSA $35.00 Call

CMCSA261218C00035000

Latest saved OI1,916Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $35.00 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. 1,9169580 2026-10-09: 1,913 OI2026-10-13: 1,913 OI2026-10-14: 1,913 OI2026-10-15: 1,912 OI2026-10-16: 1,912 OI2026-10-21: 1,912 OI2026-10-23: 1,916 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, 2026Viewing1,916+4
Oct 21, 20261,9120
Oct 16, 20261,9120
Oct 15, 20261,912-1
Oct 14, 20261,9130
Oct 13, 20261,9130
Oct 09, 20261,913No prior observation