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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $330.00 Call

COHR261218C00330000

Latest saved OI274Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $330.00 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. 3561780 2026-10-02: 299 OI2026-10-05: 310 OI2026-10-06: 356 OI2026-10-07: 291 OI2026-10-08: 291 OI2026-10-09: 200 OI2026-10-13: 212 OI2026-10-14: 212 OI2026-10-15: 213 OI2026-10-16: 260 OI2026-10-21: 264 OI2026-10-23: 274 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, 2026Viewing274+10
Oct 21, 2026264+4
Oct 16, 2026260+47
Oct 15, 2026213+1
Oct 14, 20262120
Oct 13, 2026212+12
Oct 09, 2026200-91
Oct 08, 20262910
Oct 07, 2026291-65
Oct 06, 2026356+46
Oct 05, 2026310+11
Oct 02, 2026299No prior observation