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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $170.00 Put

COHR270115P00170000

Latest saved OI1,512Oct 23, 2026
Last change+135vs 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. 1,5127560 2026-10-02: 453 OI2026-10-05: 452 OI2026-10-06: 451 OI2026-10-07: 450 OI2026-10-08: 450 OI2026-10-09: 450 OI2026-10-13: 450 OI2026-10-14: 450 OI2026-10-15: 449 OI2026-10-16: 457 OI2026-10-21: 1,377 OI2026-10-23: 1,512 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, 2026Viewing1,512+135
Oct 21, 20261,377+920
Oct 16, 2026457+8
Oct 15, 2026449-1
Oct 14, 20264500
Oct 13, 20264500
Oct 09, 20264500
Oct 08, 20264500
Oct 07, 2026450-1
Oct 06, 2026451-1
Oct 05, 2026452-1
Oct 02, 2026453No prior observation