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Contract OI history

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Jan 15, 2027 EXPIRATION

OUST $50.00 Call

OUST270115C00050000

Latest saved OI2,297Oct 23, 2026
Last change+265vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $50.00 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. 2,3501,1750 2026-10-09: 2,350 OI2026-10-13: 2,329 OI2026-10-14: 2,329 OI2026-10-15: 1,862 OI2026-10-16: 1,965 OI2026-10-21: 2,032 OI2026-10-23: 2,297 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, 20262,297+265
Oct 21, 2026Viewing2,032+67
Oct 16, 20261,965+103
Oct 15, 20261,862-467
Oct 14, 20262,3290
Oct 13, 20262,329-21
Oct 09, 20262,350No prior observation