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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $390.00 Call

COHR261120C00390000

Latest saved OI508Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $390.00 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. 5532760 2026-10-02: 440 OI2026-10-05: 461 OI2026-10-06: 461 OI2026-10-07: 456 OI2026-10-08: 456 OI2026-10-09: 472 OI2026-10-13: 553 OI2026-10-14: 553 OI2026-10-15: 547 OI2026-10-16: 531 OI2026-10-21: 512 OI2026-10-23: 508 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, 2026Viewing508-4
Oct 21, 2026512-19
Oct 16, 2026531-16
Oct 15, 2026547-6
Oct 14, 20265530
Oct 13, 2026553+81
Oct 09, 2026472+16
Oct 08, 20264560
Oct 07, 2026456-5
Oct 06, 20264610
Oct 05, 2026461+21
Oct 02, 2026440No prior observation