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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $200.00 Call

COHR270319C00200000

Latest saved OI167Oct 23, 2026
Last change+14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $200.00 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. 167830 2026-10-02: 50 OI2026-10-05: 51 OI2026-10-06: 51 OI2026-10-07: 51 OI2026-10-08: 51 OI2026-10-09: 51 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 52 OI2026-10-16: 53 OI2026-10-21: 153 OI2026-10-23: 167 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, 2026Viewing167+14
Oct 21, 2026153+100
Oct 16, 202653+1
Oct 15, 202652+1
Oct 14, 2026510
Oct 13, 2026510
Oct 09, 2026510
Oct 08, 2026510
Oct 07, 2026510
Oct 06, 2026510
Oct 05, 202651+1
Oct 02, 202650No prior observation