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Contract OI history

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Nov 20, 2026 EXPIRATION

CMCSA $25.50 Call

CMCSA261120C00025500

Latest saved OI190Oct 23, 2026
Last change+135vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $25.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 190950 2026-10-21: 55 OI2026-10-23: 190 OI Oct 21, 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, 2026Viewing190+135
Oct 21, 202655No prior observation