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Contract OI history

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Jan 21, 2028 EXPIRATION

CORT $125.00 Call

CORT280121C00125000

Latest saved OI529Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CORT $125.00 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. 5292640 2026-10-08: 466 OI2026-10-09: 467 OI2026-10-13: 481 OI2026-10-14: 481 OI2026-10-16: 526 OI2026-10-20: 528 OI2026-10-23: 529 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, 2026Viewing529+1
Oct 20, 2026528+2
Oct 16, 2026526+45
Oct 14, 20264810
Oct 13, 2026481+14
Oct 09, 2026467+1
Oct 08, 2026466No prior observation