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Contract OI history

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Jan 19, 2029 EXPIRATION

OUST $28.00 Call

OUST290119C00028000

Latest saved OI45Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $28.00 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. 54270 2026-10-09: 34 OI2026-10-13: 34 OI2026-10-14: 34 OI2026-10-15: 52 OI2026-10-16: 52 OI2026-10-21: 54 OI2026-10-23: 45 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, 202645-9
Oct 21, 2026Viewing54+2
Oct 16, 2026520
Oct 15, 202652+18
Oct 14, 2026340
Oct 13, 2026340
Oct 09, 202634No prior observation