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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $270.00 Call

COHR261120C00270000

Latest saved OI605Oct 23, 2026
Last change+36vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $270.00 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. 6053020 2026-10-02: 177 OI2026-10-05: 175 OI2026-10-06: 180 OI2026-10-07: 179 OI2026-10-08: 179 OI2026-10-09: 178 OI2026-10-13: 186 OI2026-10-14: 186 OI2026-10-15: 197 OI2026-10-16: 434 OI2026-10-21: 569 OI2026-10-23: 605 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, 2026Viewing605+36
Oct 21, 2026569+135
Oct 16, 2026434+237
Oct 15, 2026197+11
Oct 14, 20261860
Oct 13, 2026186+8
Oct 09, 2026178-1
Oct 08, 20261790
Oct 07, 2026179-1
Oct 06, 2026180+5
Oct 05, 2026175-2
Oct 02, 2026177No prior observation