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Contract OI history

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Oct 23, 2026 EXPIRATION

OUST $25.50 Call

OUST261023C00025500

Latest saved OI115Oct 23, 2026
Last change+115vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $25.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 115570 2026-10-21: 0 OI2026-10-23: 115 OI Oct 21, 2026Oct 23, 2026

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

OUST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026115+115
Oct 21, 2026Viewing0No prior observation