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Contract OI history

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Jan 21, 2028 EXPIRATION

OUST $70.00 Call

OUST280121C00070000

Latest saved OI2,538Oct 23, 2026
Last change+19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $70.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,5381,2690 2026-10-09: 2,519 OI2026-10-13: 2,519 OI2026-10-14: 2,519 OI2026-10-15: 2,519 OI2026-10-16: 2,518 OI2026-10-21: 2,519 OI2026-10-23: 2,538 OI Oct 09, 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, 20262,538+19
Oct 21, 2026Viewing2,519+1
Oct 16, 20262,518-1
Oct 15, 20262,5190
Oct 14, 20262,5190
Oct 13, 20262,5190
Oct 09, 20262,519No prior observation