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Contract OI history

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Oct 30, 2026 EXPIRATION

OUST $50.00 Call

OUST261030C00050000

Latest saved OI781Oct 23, 2026
Last change-21vs 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. 8034010 2026-10-09: 802 OI2026-10-13: 801 OI2026-10-14: 801 OI2026-10-15: 803 OI2026-10-16: 802 OI2026-10-21: 802 OI2026-10-23: 781 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, 2026Viewing781-21
Oct 21, 20268020
Oct 16, 2026802-1
Oct 15, 2026803+2
Oct 14, 20268010
Oct 13, 2026801-1
Oct 09, 2026802No prior observation