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Contract OI history

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May 21, 2027 EXPIRATION

COHR $165.00 Put

COHR270521P00165000

Latest saved OI396Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $165.00 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. 3961980 2026-10-02: 394 OI2026-10-05: 394 OI2026-10-06: 394 OI2026-10-07: 394 OI2026-10-08: 394 OI2026-10-09: 396 OI2026-10-13: 396 OI2026-10-14: 396 OI2026-10-15: 396 OI2026-10-16: 396 OI2026-10-21: 396 OI2026-10-23: 396 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, 2026Viewing3960
Oct 21, 20263960
Oct 16, 20263960
Oct 15, 20263960
Oct 14, 20263960
Oct 13, 20263960
Oct 09, 2026396+2
Oct 08, 20263940
Oct 07, 20263940
Oct 06, 20263940
Oct 05, 20263940
Oct 02, 2026394No prior observation