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Contract OI history

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Oct 30, 2026 EXPIRATION

COHR $240.00 Call

COHR261030C00240000

Latest saved OI287Oct 23, 2026
Last change+100vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 2871430 2026-10-02: 12 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-15: 27 OI2026-10-16: 41 OI2026-10-21: 187 OI2026-10-23: 287 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, 2026Viewing287+100
Oct 21, 2026187+146
Oct 16, 202641+14
Oct 15, 202627+5
Oct 14, 2026220
Oct 13, 202622+10
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 2026120
Oct 02, 202612No prior observation