Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $220.00 Put

COHR270115P00220000

Latest saved OI3,413Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $220.00 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. 3,4131,7060 2026-10-02: 1,474 OI2026-10-05: 1,525 OI2026-10-06: 1,508 OI2026-10-07: 1,509 OI2026-10-08: 1,509 OI2026-10-09: 1,797 OI2026-10-13: 1,869 OI2026-10-14: 1,869 OI2026-10-15: 3,280 OI2026-10-16: 3,331 OI2026-10-21: 3,391 OI2026-10-23: 3,413 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, 2026Viewing3,413+22
Oct 21, 20263,391+60
Oct 16, 20263,331+51
Oct 15, 20263,280+1,411
Oct 14, 20261,8690
Oct 13, 20261,869+72
Oct 09, 20261,797+288
Oct 08, 20261,5090
Oct 07, 20261,509+1
Oct 06, 20261,508-17
Oct 05, 20261,525+51
Oct 02, 20261,474No prior observation