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Contract OI history

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Nov 06, 2026 EXPIRATION

COHR $310.00 Put

COHR261106P00310000

Latest saved OI22Oct 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 $310.00 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. 37180 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 6 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 21 OI2026-10-13: 37 OI2026-10-14: 37 OI2026-10-15: 33 OI2026-10-16: 34 OI2026-10-21: 22 OI2026-10-23: 22 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, 2026Viewing220
Oct 21, 202622-12
Oct 16, 202634+1
Oct 15, 202633-4
Oct 14, 2026370
Oct 13, 202637+16
Oct 09, 202621+9
Oct 08, 2026120
Oct 07, 202612+6
Oct 06, 20266+4
Oct 05, 202620
Oct 02, 20262No prior observation