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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $190.00 Put

COHR270319P00190000

Latest saved OI732Oct 23, 2026
Last change+16vs 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. 1,0595290 2026-10-02: 1,051 OI2026-10-05: 1,051 OI2026-10-06: 1,052 OI2026-10-07: 1,050 OI2026-10-08: 1,050 OI2026-10-09: 1,050 OI2026-10-13: 1,050 OI2026-10-14: 1,050 OI2026-10-15: 1,059 OI2026-10-16: 862 OI2026-10-21: 716 OI2026-10-23: 732 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, 2026Viewing732+16
Oct 21, 2026716-146
Oct 16, 2026862-197
Oct 15, 20261,059+9
Oct 14, 20261,0500
Oct 13, 20261,0500
Oct 09, 20261,0500
Oct 08, 20261,0500
Oct 07, 20261,050-2
Oct 06, 20261,052+1
Oct 05, 20261,0510
Oct 02, 20261,051No prior observation