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Contract OI history

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Nov 20, 2026 EXPIRATION

OUST $36.00 Put

OUST261120P00036000

Latest saved OI709Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $36.00 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. 7223610 2026-10-09: 686 OI2026-10-13: 708 OI2026-10-14: 708 OI2026-10-15: 722 OI2026-10-16: 717 OI2026-10-21: 716 OI2026-10-23: 709 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, 2026709-7
Oct 21, 2026Viewing716-1
Oct 16, 2026717-5
Oct 15, 2026722+14
Oct 14, 20267080
Oct 13, 2026708+22
Oct 09, 2026686No prior observation