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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $270.00 Put

COHR261120P00270000

Latest saved OI1,898Oct 23, 2026
Last change-63vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $270.00 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. 2,0161,0080 2026-10-02: 939 OI2026-10-05: 928 OI2026-10-06: 1,104 OI2026-10-07: 1,156 OI2026-10-08: 1,156 OI2026-10-09: 1,917 OI2026-10-13: 2,016 OI2026-10-14: 2,016 OI2026-10-15: 2,010 OI2026-10-16: 1,980 OI2026-10-21: 1,961 OI2026-10-23: 1,898 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, 2026Viewing1,898-63
Oct 21, 20261,961-19
Oct 16, 20261,980-30
Oct 15, 20262,010-6
Oct 14, 20262,0160
Oct 13, 20262,016+99
Oct 09, 20261,917+761
Oct 08, 20261,1560
Oct 07, 20261,156+52
Oct 06, 20261,104+176
Oct 05, 2026928-11
Oct 02, 2026939No prior observation