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Contract OI history

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Oct 30, 2026 EXPIRATION

COHR $250.00 Call

COHR261030C00250000

Latest saved OI507Oct 23, 2026
Last change+223vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $250.00 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. 5072530 2026-10-02: 4 OI2026-10-05: 4 OI2026-10-06: 4 OI2026-10-07: 4 OI2026-10-08: 4 OI2026-10-09: 5 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 28 OI2026-10-16: 56 OI2026-10-21: 284 OI2026-10-23: 507 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, 2026Viewing507+223
Oct 21, 2026284+228
Oct 16, 202656+28
Oct 15, 202628+2
Oct 14, 2026260
Oct 13, 202626+21
Oct 09, 20265+1
Oct 08, 202640
Oct 07, 202640
Oct 06, 202640
Oct 05, 202640
Oct 02, 20264No prior observation