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Contract OI history

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Oct 30, 2026 EXPIRATION

COHR $240.00 Put

COHR261030P00240000

Latest saved OI309Oct 23, 2026
Last change+93vs 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. 3091540 2026-10-02: 167 OI2026-10-05: 134 OI2026-10-06: 135 OI2026-10-07: 131 OI2026-10-08: 131 OI2026-10-09: 144 OI2026-10-13: 185 OI2026-10-14: 185 OI2026-10-15: 208 OI2026-10-16: 229 OI2026-10-21: 216 OI2026-10-23: 309 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, 2026Viewing309+93
Oct 21, 2026216-13
Oct 16, 2026229+21
Oct 15, 2026208+23
Oct 14, 20261850
Oct 13, 2026185+41
Oct 09, 2026144+13
Oct 08, 20261310
Oct 07, 2026131-4
Oct 06, 2026135+1
Oct 05, 2026134-33
Oct 02, 2026167No prior observation