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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $185.00 Put

COHR270319P00185000

Latest saved OI637Oct 23, 2026
Last change+18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $185.00 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. 6373180 2026-10-02: 290 OI2026-10-05: 290 OI2026-10-06: 290 OI2026-10-07: 290 OI2026-10-08: 290 OI2026-10-09: 290 OI2026-10-13: 292 OI2026-10-14: 292 OI2026-10-15: 293 OI2026-10-16: 298 OI2026-10-21: 619 OI2026-10-23: 637 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, 2026Viewing637+18
Oct 21, 2026619+321
Oct 16, 2026298+5
Oct 15, 2026293+1
Oct 14, 20262920
Oct 13, 2026292+2
Oct 09, 20262900
Oct 08, 20262900
Oct 07, 20262900
Oct 06, 20262900
Oct 05, 20262900
Oct 02, 2026290No prior observation