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Contract OI history

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Jan 19, 2029 EXPIRATION

CMCSA $23.00 Put

CMCSA290119P00023000

Latest saved OI306Oct 23, 2026
Last change+53vs 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. 3061530 2026-10-09: 252 OI2026-10-13: 253 OI2026-10-14: 253 OI2026-10-15: 253 OI2026-10-16: 253 OI2026-10-21: 253 OI2026-10-23: 306 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, 2026Viewing306+53
Oct 21, 20262530
Oct 16, 20262530
Oct 15, 20262530
Oct 14, 20262530
Oct 13, 2026253+1
Oct 09, 2026252No prior observation