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Contract OI history

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Nov 20, 2026 EXPIRATION

USAR $9.50 Put

USAR261120P00009500

Latest saved OI330Oct 23, 2026
Last change+185vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $9.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 3301650 2026-10-21: 145 OI2026-10-23: 330 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

USAR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing330+185
Oct 21, 2026145No prior observation