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Contract OI history

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Nov 06, 2026 EXPIRATION

CMCSA $19.00 Put

CMCSA261106P00019000

Latest saved OI251Oct 23, 2026
Last change+2vs 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. 2511250 2026-10-09: 149 OI2026-10-13: 186 OI2026-10-14: 186 OI2026-10-15: 245 OI2026-10-16: 248 OI2026-10-21: 249 OI2026-10-23: 251 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, 2026Viewing251+2
Oct 21, 2026249+1
Oct 16, 2026248+3
Oct 15, 2026245+59
Oct 14, 20261860
Oct 13, 2026186+37
Oct 09, 2026149No prior observation