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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $450.00 Call

COHR270319C00450000

Latest saved OI528Oct 23, 2026
Last change-147vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $450.00 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. 6753370 2026-10-02: 315 OI2026-10-05: 377 OI2026-10-06: 377 OI2026-10-07: 390 OI2026-10-08: 390 OI2026-10-09: 392 OI2026-10-13: 399 OI2026-10-14: 399 OI2026-10-15: 587 OI2026-10-16: 604 OI2026-10-21: 675 OI2026-10-23: 528 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, 2026Viewing528-147
Oct 21, 2026675+71
Oct 16, 2026604+17
Oct 15, 2026587+188
Oct 14, 20263990
Oct 13, 2026399+7
Oct 09, 2026392+2
Oct 08, 20263900
Oct 07, 2026390+13
Oct 06, 20263770
Oct 05, 2026377+62
Oct 02, 2026315No prior observation