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Contract OI history

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Jan 19, 2029 EXPIRATION

COHR $400.00 Call

COHR290119C00400000

Latest saved OI107Oct 23, 2026
Last change+28vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $400.00 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. 107530 2026-10-02: 43 OI2026-10-05: 43 OI2026-10-06: 42 OI2026-10-07: 44 OI2026-10-08: 44 OI2026-10-09: 45 OI2026-10-13: 46 OI2026-10-14: 46 OI2026-10-15: 57 OI2026-10-16: 77 OI2026-10-21: 79 OI2026-10-23: 107 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, 2026Viewing107+28
Oct 21, 202679+2
Oct 16, 202677+20
Oct 15, 202657+11
Oct 14, 2026460
Oct 13, 202646+1
Oct 09, 202645+1
Oct 08, 2026440
Oct 07, 202644+2
Oct 06, 202642-1
Oct 05, 2026430
Oct 02, 202643No prior observation