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Contract OI history

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Nov 20, 2026 EXPIRATION

OUST $34.00 Put

OUST261120P00034000

Latest saved OI102Oct 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 $34.00 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. 116580 2026-10-09: 104 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 115 OI2026-10-16: 91 OI2026-10-21: 102 OI2026-10-23: 102 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, 20261020
Oct 21, 2026Viewing102+11
Oct 16, 202691-24
Oct 15, 2026115-1
Oct 14, 20261160
Oct 13, 2026116+12
Oct 09, 2026104No prior observation