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Contract OI history

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Jun 17, 2027 EXPIRATION

COHR $185.00 Put

COHR270617P00185000

Latest saved OI446Oct 23, 2026
Last change+181vs 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. 4462230 2026-10-02: 5 OI2026-10-05: 5 OI2026-10-06: 7 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 187 OI2026-10-13: 200 OI2026-10-14: 200 OI2026-10-15: 201 OI2026-10-16: 199 OI2026-10-21: 265 OI2026-10-23: 446 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, 2026Viewing446+181
Oct 21, 2026265+66
Oct 16, 2026199-2
Oct 15, 2026201+1
Oct 14, 20262000
Oct 13, 2026200+13
Oct 09, 2026187+179
Oct 08, 202680
Oct 07, 20268+1
Oct 06, 20267+2
Oct 05, 202650
Oct 02, 20265No prior observation