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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $330.00 Call

COHR270115C00330000

Latest saved OI358Oct 23, 2026
Last change+12vs 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. 3581790 2026-10-02: 204 OI2026-10-05: 203 OI2026-10-06: 209 OI2026-10-07: 214 OI2026-10-08: 214 OI2026-10-09: 307 OI2026-10-13: 326 OI2026-10-14: 326 OI2026-10-15: 334 OI2026-10-16: 340 OI2026-10-21: 346 OI2026-10-23: 358 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, 2026Viewing358+12
Oct 21, 2026346+6
Oct 16, 2026340+6
Oct 15, 2026334+8
Oct 14, 20263260
Oct 13, 2026326+19
Oct 09, 2026307+93
Oct 08, 20262140
Oct 07, 2026214+5
Oct 06, 2026209+6
Oct 05, 2026203-1
Oct 02, 2026204No prior observation