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Contract OI history

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Apr 16, 2027 EXPIRATION

COHR $190.00 Put

COHR270416P00190000

Latest saved OI1,400Oct 23, 2026
Last change+707vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $190.00 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. 1,4007000 2026-10-02: 652 OI2026-10-05: 652 OI2026-10-06: 652 OI2026-10-07: 652 OI2026-10-08: 652 OI2026-10-09: 661 OI2026-10-13: 671 OI2026-10-14: 671 OI2026-10-15: 671 OI2026-10-16: 681 OI2026-10-21: 693 OI2026-10-23: 1,400 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, 2026Viewing1,400+707
Oct 21, 2026693+12
Oct 16, 2026681+10
Oct 15, 20266710
Oct 14, 20266710
Oct 13, 2026671+10
Oct 09, 2026661+9
Oct 08, 20266520
Oct 07, 20266520
Oct 06, 20266520
Oct 05, 20266520
Oct 02, 2026652No prior observation