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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $185.00 Put

COHR261218P00185000

Latest saved OI126Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $185.00 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. 127630 2026-10-02: 8 OI2026-10-05: 12 OI2026-10-06: 11 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 10 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-15: 15 OI2026-10-16: 80 OI2026-10-21: 127 OI2026-10-23: 126 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, 2026Viewing126-1
Oct 21, 2026127+47
Oct 16, 202680+65
Oct 15, 202615+2
Oct 14, 2026130
Oct 13, 202613+3
Oct 09, 202610+2
Oct 08, 202680
Oct 07, 20268-3
Oct 06, 202611-1
Oct 05, 202612+4
Oct 02, 20268No prior observation