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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $170.00 Put

COHR261120P00170000

Latest saved OI1,584Oct 23, 2026
Last change-152vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $170.00 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. 1,7368680 2026-10-02: 1,628 OI2026-10-05: 1,624 OI2026-10-06: 1,627 OI2026-10-07: 1,631 OI2026-10-08: 1,631 OI2026-10-09: 1,634 OI2026-10-13: 1,636 OI2026-10-14: 1,636 OI2026-10-15: 1,635 OI2026-10-16: 1,720 OI2026-10-21: 1,736 OI2026-10-23: 1,584 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, 2026Viewing1,584-152
Oct 21, 20261,736+16
Oct 16, 20261,720+85
Oct 15, 20261,635-1
Oct 14, 20261,6360
Oct 13, 20261,636+2
Oct 09, 20261,634+3
Oct 08, 20261,6310
Oct 07, 20261,631+4
Oct 06, 20261,627+3
Oct 05, 20261,624-4
Oct 02, 20261,628No prior observation