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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $280.00 Put

COHR261023P00280000

Latest saved OI8Oct 23, 2026
Last change-240vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $280.00 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. 3901950 2026-10-02: 153 OI2026-10-05: 145 OI2026-10-06: 145 OI2026-10-07: 157 OI2026-10-08: 157 OI2026-10-09: 187 OI2026-10-13: 389 OI2026-10-14: 389 OI2026-10-15: 390 OI2026-10-16: 378 OI2026-10-21: 248 OI2026-10-23: 8 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, 2026Viewing8-240
Oct 21, 2026248-130
Oct 16, 2026378-12
Oct 15, 2026390+1
Oct 14, 20263890
Oct 13, 2026389+202
Oct 09, 2026187+30
Oct 08, 20261570
Oct 07, 2026157+12
Oct 06, 20261450
Oct 05, 2026145-8
Oct 02, 2026153No prior observation