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Contract OI history

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Jan 21, 2028 EXPIRATION

COHR $300.00 Call

COHR280121C00300000

Latest saved OI438Oct 23, 2026
Last change+19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $300.00 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. 4382190 2026-10-02: 420 OI2026-10-05: 415 OI2026-10-06: 420 OI2026-10-07: 419 OI2026-10-08: 419 OI2026-10-09: 417 OI2026-10-13: 417 OI2026-10-14: 417 OI2026-10-15: 405 OI2026-10-16: 418 OI2026-10-21: 419 OI2026-10-23: 438 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, 2026Viewing438+19
Oct 21, 2026419+1
Oct 16, 2026418+13
Oct 15, 2026405-12
Oct 14, 20264170
Oct 13, 20264170
Oct 09, 2026417-2
Oct 08, 20264190
Oct 07, 2026419-1
Oct 06, 2026420+5
Oct 05, 2026415-5
Oct 02, 2026420No prior observation