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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $340.00 Call

COHR270115C00340000

Latest saved OI329Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $340.00 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. 3291640 2026-10-02: 248 OI2026-10-05: 259 OI2026-10-06: 284 OI2026-10-07: 280 OI2026-10-08: 280 OI2026-10-09: 307 OI2026-10-13: 320 OI2026-10-14: 320 OI2026-10-15: 324 OI2026-10-16: 320 OI2026-10-21: 329 OI2026-10-23: 329 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, 2026Viewing3290
Oct 21, 2026329+9
Oct 16, 2026320-4
Oct 15, 2026324+4
Oct 14, 20263200
Oct 13, 2026320+13
Oct 09, 2026307+27
Oct 08, 20262800
Oct 07, 2026280-4
Oct 06, 2026284+25
Oct 05, 2026259+11
Oct 02, 2026248No prior observation