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Contract OI history

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Jun 17, 2027 EXPIRATION

CMCSA $25.00 Put

CMCSA270617P00025000

Latest saved OI3,583Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $25.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,5921,7960 2026-10-09: 3,592 OI2026-10-13: 3,592 OI2026-10-14: 3,592 OI2026-10-15: 3,592 OI2026-10-16: 3,592 OI2026-10-21: 3,578 OI2026-10-23: 3,583 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, 2026Viewing3,583+5
Oct 21, 20263,578-14
Oct 16, 20263,5920
Oct 15, 20263,5920
Oct 14, 20263,5920
Oct 13, 20263,5920
Oct 09, 20263,592No prior observation