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Contract OI history

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Dec 18, 2026 EXPIRATION

CMCSA $15.00 Put

CMCSA261218P00015000

Latest saved OI1,045Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $15.00 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. 1,0455220 2026-10-09: 1,035 OI2026-10-13: 1,035 OI2026-10-14: 1,035 OI2026-10-15: 1,035 OI2026-10-16: 1,035 OI2026-10-21: 1,035 OI2026-10-23: 1,045 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, 2026Viewing1,045+10
Oct 21, 20261,0350
Oct 16, 20261,0350
Oct 15, 20261,0350
Oct 14, 20261,0350
Oct 13, 20261,0350
Oct 09, 20261,035No prior observation