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Contract OI history

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Jan 21, 2028 EXPIRATION

COHR $260.00 Put

COHR280121P00260000

Latest saved OI183Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $260.00 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. 189940 2026-10-02: 189 OI2026-10-05: 189 OI2026-10-06: 188 OI2026-10-07: 185 OI2026-10-08: 185 OI2026-10-09: 182 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 182 OI2026-10-16: 182 OI2026-10-21: 182 OI2026-10-23: 183 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, 2026Viewing183+1
Oct 21, 20261820
Oct 16, 20261820
Oct 15, 20261820
Oct 14, 20261820
Oct 13, 20261820
Oct 09, 2026182-3
Oct 08, 20261850
Oct 07, 2026185-3
Oct 06, 2026188-1
Oct 05, 20261890
Oct 02, 2026189No prior observation