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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $210.00 Put

COHR270115P00210000

Latest saved OI1,751Oct 23, 2026
Last change+116vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $210.00 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. 1,7518750 2026-10-02: 1,101 OI2026-10-05: 1,096 OI2026-10-06: 1,095 OI2026-10-07: 1,095 OI2026-10-08: 1,095 OI2026-10-09: 1,095 OI2026-10-13: 1,525 OI2026-10-14: 1,525 OI2026-10-15: 1,550 OI2026-10-16: 1,586 OI2026-10-21: 1,635 OI2026-10-23: 1,751 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, 2026Viewing1,751+116
Oct 21, 20261,635+49
Oct 16, 20261,586+36
Oct 15, 20261,550+25
Oct 14, 20261,5250
Oct 13, 20261,525+430
Oct 09, 20261,0950
Oct 08, 20261,0950
Oct 07, 20261,0950
Oct 06, 20261,095-1
Oct 05, 20261,096-5
Oct 02, 20261,101No prior observation