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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $155.00 Put

COHR261218P00155000

Latest saved OI118Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $155.00 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. 118590 2026-10-02: 8 OI2026-10-05: 8 OI2026-10-06: 8 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 11 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 12 OI2026-10-16: 52 OI2026-10-21: 118 OI2026-10-23: 118 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, 2026Viewing1180
Oct 21, 2026118+66
Oct 16, 202652+40
Oct 15, 202612+1
Oct 14, 2026110
Oct 13, 2026110
Oct 09, 202611+3
Oct 08, 202680
Oct 07, 202680
Oct 06, 202680
Oct 05, 202680
Oct 02, 20268No prior observation