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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $240.00 Put

COHR261120P00240000

Latest saved OI2,649Oct 23, 2026
Last change-33vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 2,6821,3410 2026-10-02: 1,647 OI2026-10-05: 1,566 OI2026-10-06: 1,496 OI2026-10-07: 1,507 OI2026-10-08: 1,507 OI2026-10-09: 1,540 OI2026-10-13: 1,677 OI2026-10-14: 1,677 OI2026-10-15: 1,641 OI2026-10-16: 2,444 OI2026-10-21: 2,682 OI2026-10-23: 2,649 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, 2026Viewing2,649-33
Oct 21, 20262,682+238
Oct 16, 20262,444+803
Oct 15, 20261,641-36
Oct 14, 20261,6770
Oct 13, 20261,677+137
Oct 09, 20261,540+33
Oct 08, 20261,5070
Oct 07, 20261,507+11
Oct 06, 20261,496-70
Oct 05, 20261,566-81
Oct 02, 20261,647No prior observation