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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $100.00 Put

COHR270115P00100000

Latest saved OI2,071Oct 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 $100.00 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. 2,0771,0380 2026-10-02: 2,077 OI2026-10-05: 2,077 OI2026-10-06: 2,057 OI2026-10-07: 2,056 OI2026-10-08: 2,056 OI2026-10-09: 2,056 OI2026-10-13: 2,056 OI2026-10-14: 2,056 OI2026-10-15: 2,056 OI2026-10-16: 2,056 OI2026-10-21: 2,068 OI2026-10-23: 2,071 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, 2026Viewing2,071+3
Oct 21, 20262,068+12
Oct 16, 20262,0560
Oct 15, 20262,0560
Oct 14, 20262,0560
Oct 13, 20262,0560
Oct 09, 20262,0560
Oct 08, 20262,0560
Oct 07, 20262,056-1
Oct 06, 20262,057-20
Oct 05, 20262,0770
Oct 02, 20262,077No prior observation