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Contract OI history

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Jan 15, 2027 EXPIRATION

CMCSA $22.50 Put

CMCSA270115P00022500

Latest saved OI4,566Oct 23, 2026
Last change-817vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $22.50 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. 5,5352,7670 2026-10-09: 5,481 OI2026-10-13: 5,535 OI2026-10-14: 5,535 OI2026-10-15: 5,535 OI2026-10-16: 5,398 OI2026-10-21: 5,383 OI2026-10-23: 4,566 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, 2026Viewing4,566-817
Oct 21, 20265,383-15
Oct 16, 20265,398-137
Oct 15, 20265,5350
Oct 14, 20265,5350
Oct 13, 20265,535+54
Oct 09, 20265,481No prior observation