Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $350.00 Put

COHR270115P00350000

Latest saved OI744Oct 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 $350.00 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. 7443720 2026-10-02: 658 OI2026-10-05: 658 OI2026-10-06: 658 OI2026-10-07: 667 OI2026-10-08: 667 OI2026-10-09: 676 OI2026-10-13: 666 OI2026-10-14: 666 OI2026-10-15: 672 OI2026-10-16: 743 OI2026-10-21: 744 OI2026-10-23: 744 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, 2026Viewing7440
Oct 21, 2026744+1
Oct 16, 2026743+71
Oct 15, 2026672+6
Oct 14, 20266660
Oct 13, 2026666-10
Oct 09, 2026676+9
Oct 08, 20266670
Oct 07, 2026667+9
Oct 06, 20266580
Oct 05, 20266580
Oct 02, 2026658No prior observation