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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $200.00 Put

COHR270115P00200000

Latest saved OI3,195Oct 23, 2026
Last change+322vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $200.00 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. 3,1951,5970 2026-10-02: 2,669 OI2026-10-05: 2,674 OI2026-10-06: 2,661 OI2026-10-07: 2,655 OI2026-10-08: 2,655 OI2026-10-09: 2,663 OI2026-10-13: 2,682 OI2026-10-14: 2,682 OI2026-10-15: 2,963 OI2026-10-16: 2,992 OI2026-10-21: 2,873 OI2026-10-23: 3,195 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, 2026Viewing3,195+322
Oct 21, 20262,873-119
Oct 16, 20262,992+29
Oct 15, 20262,963+281
Oct 14, 20262,6820
Oct 13, 20262,682+19
Oct 09, 20262,663+8
Oct 08, 20262,6550
Oct 07, 20262,655-6
Oct 06, 20262,661-13
Oct 05, 20262,674+5
Oct 02, 20262,669No prior observation