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Contract OI history

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Feb 19, 2027 EXPIRATION

OUST $35.00 Call

OUST270219C00035000

Latest saved OI361Oct 23, 2026
Last change+13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $35.00 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. 3611800 2026-10-09: 112 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 331 OI2026-10-21: 348 OI2026-10-23: 361 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, 2026361+13
Oct 21, 2026Viewing348+17
Oct 16, 2026331+216
Oct 15, 20261150
Oct 14, 20261150
Oct 13, 2026115+3
Oct 09, 2026112No prior observation