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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $300.00 Put

COHR261120P00300000

Latest saved OI1,862Oct 23, 2026
Last change-70vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $300.00 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. 2,2161,1080 2026-10-02: 1,362 OI2026-10-05: 1,668 OI2026-10-06: 2,103 OI2026-10-07: 2,145 OI2026-10-08: 2,145 OI2026-10-09: 2,195 OI2026-10-13: 2,216 OI2026-10-14: 2,216 OI2026-10-15: 2,157 OI2026-10-16: 1,887 OI2026-10-21: 1,932 OI2026-10-23: 1,862 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, 2026Viewing1,862-70
Oct 21, 20261,932+45
Oct 16, 20261,887-270
Oct 15, 20262,157-59
Oct 14, 20262,2160
Oct 13, 20262,216+21
Oct 09, 20262,195+50
Oct 08, 20262,1450
Oct 07, 20262,145+42
Oct 06, 20262,103+435
Oct 05, 20261,668+306
Oct 02, 20261,362No prior observation