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Contract OI history

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Feb 19, 2027 EXPIRATION

OUST $35.00 Put

OUST270219P00035000

Latest saved OI479Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $35.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4822410 2026-10-09: 480 OI2026-10-13: 482 OI2026-10-14: 482 OI2026-10-15: 482 OI2026-10-16: 482 OI2026-10-21: 479 OI2026-10-23: 479 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, 2026Viewing4790
Oct 21, 2026479-3
Oct 16, 20264820
Oct 15, 20264820
Oct 14, 20264820
Oct 13, 2026482+2
Oct 09, 2026480No prior observation