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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $185.00 Put

COHR270115P00185000

Latest saved OI672Oct 23, 2026
Last change+319vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $185.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6723360 2026-10-02: 311 OI2026-10-05: 311 OI2026-10-06: 305 OI2026-10-07: 306 OI2026-10-08: 306 OI2026-10-09: 305 OI2026-10-13: 313 OI2026-10-14: 313 OI2026-10-15: 315 OI2026-10-16: 326 OI2026-10-21: 353 OI2026-10-23: 672 OI Oct 02, 2026Oct 23, 2026

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

COHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing672+319
Oct 21, 2026353+27
Oct 16, 2026326+11
Oct 15, 2026315+2
Oct 14, 20263130
Oct 13, 2026313+8
Oct 09, 2026305-1
Oct 08, 20263060
Oct 07, 2026306+1
Oct 06, 2026305-6
Oct 05, 20263110
Oct 02, 2026311No prior observation