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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $350.00 Call

COHR270319C00350000

Latest saved OI345Oct 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 $350.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3451720 2026-10-02: 262 OI2026-10-05: 257 OI2026-10-06: 261 OI2026-10-07: 260 OI2026-10-08: 260 OI2026-10-09: 261 OI2026-10-13: 288 OI2026-10-14: 288 OI2026-10-15: 290 OI2026-10-16: 263 OI2026-10-21: 342 OI2026-10-23: 345 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, 2026Viewing345+3
Oct 21, 2026342+79
Oct 16, 2026263-27
Oct 15, 2026290+2
Oct 14, 20262880
Oct 13, 2026288+27
Oct 09, 2026261+1
Oct 08, 20262600
Oct 07, 2026260-1
Oct 06, 2026261+4
Oct 05, 2026257-5
Oct 02, 2026262No prior observation