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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $250.00 Put

COHR261120P00250000

Latest saved OI2,185Oct 23, 2026
Last change-39vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $250.00 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. 2,2241,1120 2026-10-02: 1,838 OI2026-10-05: 1,765 OI2026-10-06: 1,852 OI2026-10-07: 1,858 OI2026-10-08: 1,858 OI2026-10-09: 1,968 OI2026-10-13: 2,168 OI2026-10-14: 2,168 OI2026-10-15: 2,215 OI2026-10-16: 2,165 OI2026-10-21: 2,224 OI2026-10-23: 2,185 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, 2026Viewing2,185-39
Oct 21, 20262,224+59
Oct 16, 20262,165-50
Oct 15, 20262,215+47
Oct 14, 20262,1680
Oct 13, 20262,168+200
Oct 09, 20261,968+110
Oct 08, 20261,8580
Oct 07, 20261,858+6
Oct 06, 20261,852+87
Oct 05, 20261,765-73
Oct 02, 20261,838No prior observation