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Contract OI history

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Dec 17, 2027 EXPIRATION

COHR $320.00 Call

COHR271217C00320000

Latest saved OI192Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $320.00 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. 192960 2026-10-02: 177 OI2026-10-05: 176 OI2026-10-06: 174 OI2026-10-07: 179 OI2026-10-08: 179 OI2026-10-09: 185 OI2026-10-13: 184 OI2026-10-14: 184 OI2026-10-15: 186 OI2026-10-16: 191 OI2026-10-21: 191 OI2026-10-23: 192 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, 2026Viewing192+1
Oct 21, 20261910
Oct 16, 2026191+5
Oct 15, 2026186+2
Oct 14, 20261840
Oct 13, 2026184-1
Oct 09, 2026185+6
Oct 08, 20261790
Oct 07, 2026179+5
Oct 06, 2026174-2
Oct 05, 2026176-1
Oct 02, 2026177No prior observation