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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $310.00 Call

COHR270115C00310000

Latest saved OI543Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $310.00 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. 5452720 2026-10-02: 485 OI2026-10-05: 480 OI2026-10-06: 479 OI2026-10-07: 478 OI2026-10-08: 478 OI2026-10-09: 466 OI2026-10-13: 470 OI2026-10-14: 470 OI2026-10-15: 484 OI2026-10-16: 489 OI2026-10-21: 545 OI2026-10-23: 543 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, 2026Viewing543-2
Oct 21, 2026545+56
Oct 16, 2026489+5
Oct 15, 2026484+14
Oct 14, 20264700
Oct 13, 2026470+4
Oct 09, 2026466-12
Oct 08, 20264780
Oct 07, 2026478-1
Oct 06, 2026479-1
Oct 05, 2026480-5
Oct 02, 2026485No prior observation