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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $280.00 Call

COHR270115C00280000

Latest saved OI751Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $280.00 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. 7513750 2026-10-02: 679 OI2026-10-05: 684 OI2026-10-06: 685 OI2026-10-07: 683 OI2026-10-08: 683 OI2026-10-09: 661 OI2026-10-13: 677 OI2026-10-14: 677 OI2026-10-15: 688 OI2026-10-16: 695 OI2026-10-21: 740 OI2026-10-23: 751 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, 2026Viewing751+11
Oct 21, 2026740+45
Oct 16, 2026695+7
Oct 15, 2026688+11
Oct 14, 20266770
Oct 13, 2026677+16
Oct 09, 2026661-22
Oct 08, 20266830
Oct 07, 2026683-2
Oct 06, 2026685+1
Oct 05, 2026684+5
Oct 02, 2026679No prior observation