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Contract OI history

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Dec 17, 2027 EXPIRATION

CMCSA $22.50 Put

CMCSA271217P00022500

Latest saved OI658Oct 23, 2026
Last change+1vs 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. 6583290 2026-10-09: 652 OI2026-10-13: 652 OI2026-10-14: 652 OI2026-10-15: 654 OI2026-10-16: 657 OI2026-10-21: 657 OI2026-10-23: 658 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, 2026Viewing658+1
Oct 21, 20266570
Oct 16, 2026657+3
Oct 15, 2026654+2
Oct 14, 20266520
Oct 13, 20266520
Oct 09, 2026652No prior observation