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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $390.00 Call

COHR270115C00390000

Latest saved OI413Oct 23, 2026
Last change+1vs 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. 4152070 2026-10-02: 280 OI2026-10-05: 285 OI2026-10-06: 265 OI2026-10-07: 267 OI2026-10-08: 267 OI2026-10-09: 267 OI2026-10-13: 264 OI2026-10-14: 264 OI2026-10-15: 261 OI2026-10-16: 415 OI2026-10-21: 412 OI2026-10-23: 413 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, 2026Viewing413+1
Oct 21, 2026412-3
Oct 16, 2026415+154
Oct 15, 2026261-3
Oct 14, 20262640
Oct 13, 2026264-3
Oct 09, 20262670
Oct 08, 20262670
Oct 07, 2026267+2
Oct 06, 2026265-20
Oct 05, 2026285+5
Oct 02, 2026280No prior observation