Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $175.00 Put

COHR270115P00175000

Latest saved OI522Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $175.00 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. 5222610 2026-10-02: 476 OI2026-10-05: 476 OI2026-10-06: 476 OI2026-10-07: 476 OI2026-10-08: 476 OI2026-10-09: 482 OI2026-10-13: 491 OI2026-10-14: 491 OI2026-10-15: 493 OI2026-10-16: 495 OI2026-10-21: 512 OI2026-10-23: 522 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, 2026Viewing522+10
Oct 21, 2026512+17
Oct 16, 2026495+2
Oct 15, 2026493+2
Oct 14, 20264910
Oct 13, 2026491+9
Oct 09, 2026482+6
Oct 08, 20264760
Oct 07, 20264760
Oct 06, 20264760
Oct 05, 20264760
Oct 02, 2026476No prior observation