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Contract OI history

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Oct 23, 2026 EXPIRATION

OUST $29.00 Put

OUST261023P00029000

Latest saved OI854Oct 23, 2026
Last change+32vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $29.00 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. 8544270 2026-10-09: 742 OI2026-10-13: 742 OI2026-10-14: 742 OI2026-10-15: 742 OI2026-10-16: 771 OI2026-10-21: 822 OI2026-10-23: 854 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, 2026Viewing854+32
Oct 21, 2026822+51
Oct 16, 2026771+29
Oct 15, 20267420
Oct 14, 20267420
Oct 13, 20267420
Oct 09, 2026742No prior observation