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Contract OI history

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Jan 15, 2027 EXPIRATION

OUST $20.00 Call

OUST270115C00020000

Latest saved OI601Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $20.00 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. 6013000 2026-10-09: 599 OI2026-10-13: 599 OI2026-10-14: 599 OI2026-10-15: 599 OI2026-10-16: 599 OI2026-10-21: 599 OI2026-10-23: 601 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, 2026Viewing601+2
Oct 21, 20265990
Oct 16, 20265990
Oct 15, 20265990
Oct 14, 20265990
Oct 13, 20265990
Oct 09, 2026599No prior observation