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Contract OI history

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Nov 13, 2026 EXPIRATION

CMCSA $23.00 Put

CMCSA261113P00023000

Latest saved OI394Oct 23, 2026
Last change+379vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $23.00 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. 3941970 2026-10-09: 9 OI2026-10-13: 9 OI2026-10-14: 9 OI2026-10-15: 8 OI2026-10-16: 9 OI2026-10-21: 15 OI2026-10-23: 394 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, 2026Viewing394+379
Oct 21, 202615+6
Oct 16, 20269+1
Oct 15, 20268-1
Oct 14, 202690
Oct 13, 202690
Oct 09, 20269No prior observation