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Contract OI history

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Nov 13, 2026 EXPIRATION

OUST $30.00 Put

OUST261113P00030000

Latest saved OI533Oct 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 $30.00 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. 5332660 2026-10-09: 474 OI2026-10-13: 481 OI2026-10-14: 481 OI2026-10-15: 493 OI2026-10-16: 524 OI2026-10-21: 533 OI2026-10-23: 533 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, 20265330
Oct 21, 2026Viewing533+9
Oct 16, 2026524+31
Oct 15, 2026493+12
Oct 14, 20264810
Oct 13, 2026481+7
Oct 09, 2026474No prior observation