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Contract OI history

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Dec 18, 2026 EXPIRATION

CMCSA $19.00 Put

CMCSA261218P00019000

Latest saved OI2,669Oct 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 $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. 2,7041,3520 2026-10-09: 1,448 OI2026-10-13: 2,554 OI2026-10-14: 2,554 OI2026-10-15: 2,564 OI2026-10-16: 2,704 OI2026-10-21: 2,679 OI2026-10-23: 2,669 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, 2026Viewing2,669-10
Oct 21, 20262,679-25
Oct 16, 20262,704+140
Oct 15, 20262,564+10
Oct 14, 20262,5540
Oct 13, 20262,554+1,106
Oct 09, 20261,448No prior observation