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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $240.00 Call

COHR261120C00240000

Latest saved OI445Oct 23, 2026
Last change+39vs 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. 4452220 2026-10-02: 63 OI2026-10-05: 57 OI2026-10-06: 58 OI2026-10-07: 58 OI2026-10-08: 58 OI2026-10-09: 59 OI2026-10-13: 59 OI2026-10-14: 59 OI2026-10-15: 59 OI2026-10-16: 172 OI2026-10-21: 406 OI2026-10-23: 445 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, 2026Viewing445+39
Oct 21, 2026406+234
Oct 16, 2026172+113
Oct 15, 2026590
Oct 14, 2026590
Oct 13, 2026590
Oct 09, 202659+1
Oct 08, 2026580
Oct 07, 2026580
Oct 06, 202658+1
Oct 05, 202657-6
Oct 02, 202663No prior observation