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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $240.00 Call

COHR270115C00240000

Latest saved OI314Oct 23, 2026
Last change+24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 3141570 2026-10-02: 220 OI2026-10-05: 220 OI2026-10-06: 215 OI2026-10-07: 214 OI2026-10-08: 214 OI2026-10-09: 214 OI2026-10-13: 214 OI2026-10-14: 214 OI2026-10-15: 216 OI2026-10-16: 244 OI2026-10-21: 290 OI2026-10-23: 314 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, 2026Viewing314+24
Oct 21, 2026290+46
Oct 16, 2026244+28
Oct 15, 2026216+2
Oct 14, 20262140
Oct 13, 20262140
Oct 09, 20262140
Oct 08, 20262140
Oct 07, 2026214-1
Oct 06, 2026215-5
Oct 05, 20262200
Oct 02, 2026220No prior observation