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Contract OI history

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Jan 15, 2027 EXPIRATION

CMCSA $19.00 Put

CMCSA270115P00019000

Latest saved OI3,110Oct 23, 2026
Last change-33vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $19.00 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. 3,1431,5710 2026-10-09: 1,612 OI2026-10-13: 1,632 OI2026-10-14: 1,632 OI2026-10-15: 1,633 OI2026-10-16: 3,134 OI2026-10-21: 3,143 OI2026-10-23: 3,110 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, 2026Viewing3,110-33
Oct 21, 20263,143+9
Oct 16, 20263,134+1,501
Oct 15, 20261,633+1
Oct 14, 20261,6320
Oct 13, 20261,632+20
Oct 09, 20261,612No prior observation