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Contract OI history

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Oct 23, 2026 EXPIRATION

CMCSA $25.00 Put

CMCSA261023P00025000

Latest saved OI382Oct 23, 2026
Last change-186vs 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. 5802900 2026-10-09: 580 OI2026-10-13: 573 OI2026-10-14: 573 OI2026-10-15: 573 OI2026-10-16: 573 OI2026-10-21: 568 OI2026-10-23: 382 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, 2026Viewing382-186
Oct 21, 2026568-5
Oct 16, 20265730
Oct 15, 20265730
Oct 14, 20265730
Oct 13, 2026573-7
Oct 09, 2026580No prior observation