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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $270.00 Put

COHR270115P00270000

Latest saved OI1,982Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $270.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9839910 2026-10-02: 1,950 OI2026-10-05: 1,951 OI2026-10-06: 1,946 OI2026-10-07: 1,945 OI2026-10-08: 1,945 OI2026-10-09: 1,944 OI2026-10-13: 1,956 OI2026-10-14: 1,956 OI2026-10-15: 1,974 OI2026-10-16: 1,983 OI2026-10-21: 1,979 OI2026-10-23: 1,982 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, 2026Viewing1,982+3
Oct 21, 20261,979-4
Oct 16, 20261,983+9
Oct 15, 20261,974+18
Oct 14, 20261,9560
Oct 13, 20261,956+12
Oct 09, 20261,944-1
Oct 08, 20261,9450
Oct 07, 20261,945-1
Oct 06, 20261,946-5
Oct 05, 20261,951+1
Oct 02, 20261,950No prior observation