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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $350.00 Put

COHR261120P00350000

Latest saved OI167Oct 23, 2026
Last change-39vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $350.00 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. 2081040 2026-10-02: 122 OI2026-10-05: 140 OI2026-10-06: 151 OI2026-10-07: 149 OI2026-10-08: 149 OI2026-10-09: 157 OI2026-10-13: 194 OI2026-10-14: 194 OI2026-10-15: 187 OI2026-10-16: 208 OI2026-10-21: 206 OI2026-10-23: 167 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, 2026Viewing167-39
Oct 21, 2026206-2
Oct 16, 2026208+21
Oct 15, 2026187-7
Oct 14, 20261940
Oct 13, 2026194+37
Oct 09, 2026157+8
Oct 08, 20261490
Oct 07, 2026149-2
Oct 06, 2026151+11
Oct 05, 2026140+18
Oct 02, 2026122No prior observation