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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $240.00 Call

COHR261218C00240000

Latest saved OI600Oct 23, 2026
Last change+241vs 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. 6003000 2026-10-02: 5 OI2026-10-05: 5 OI2026-10-06: 5 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 5 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 15 OI2026-10-16: 55 OI2026-10-21: 359 OI2026-10-23: 600 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, 2026Viewing600+241
Oct 21, 2026359+304
Oct 16, 202655+40
Oct 15, 202615+9
Oct 14, 202660
Oct 13, 20266+1
Oct 09, 202650
Oct 08, 202650
Oct 07, 202650
Oct 06, 202650
Oct 05, 202650
Oct 02, 20265No prior observation