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Contract OI history

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Sep 17, 2027 EXPIRATION

COHR $230.00 Put

COHR270917P00230000

Latest saved OI512Oct 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 $230.00 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. 5122560 2026-10-02: 3 OI2026-10-05: 3 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 4 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-15: 210 OI2026-10-16: 211 OI2026-10-21: 512 OI2026-10-23: 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, 2026Viewing5120
Oct 21, 2026512+301
Oct 16, 2026211+1
Oct 15, 2026210+206
Oct 14, 202640
Oct 13, 202640
Oct 09, 20264+1
Oct 08, 202630
Oct 07, 202630
Oct 06, 202630
Oct 05, 202630
Oct 02, 20263No prior observation