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Contract OI history

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Nov 06, 2026 EXPIRATION

COHR $240.00 Put

COHR261106P00240000

Latest saved OI275Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 2751370 2026-10-02: 134 OI2026-10-05: 125 OI2026-10-06: 128 OI2026-10-07: 119 OI2026-10-08: 119 OI2026-10-09: 161 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 208 OI2026-10-16: 248 OI2026-10-21: 272 OI2026-10-23: 275 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, 2026Viewing275+3
Oct 21, 2026272+24
Oct 16, 2026248+40
Oct 15, 2026208+36
Oct 14, 20261720
Oct 13, 2026172+11
Oct 09, 2026161+42
Oct 08, 20261190
Oct 07, 2026119-9
Oct 06, 2026128+3
Oct 05, 2026125-9
Oct 02, 2026134No prior observation