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Contract OI history

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Nov 20, 2026 EXPIRATION

CORT $120.00 Call

CORT261120C00120000

Latest saved OI591Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CORT $120.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5912950 2026-10-08: 587 OI2026-10-09: 588 OI2026-10-13: 590 OI2026-10-14: 589 OI2026-10-16: 589 OI2026-10-20: 588 OI2026-10-23: 591 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CORT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing591+3
Oct 20, 2026588-1
Oct 16, 20265890
Oct 14, 2026589-1
Oct 13, 2026590+2
Oct 09, 2026588+1
Oct 08, 2026587No prior observation