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Contract OI history

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Nov 13, 2026 EXPIRATION

OUST $25.00 Put

OUST261113P00025000

Latest saved OI152Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $25.00 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. 155770 2026-10-09: 27 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-15: 155 OI2026-10-16: 155 OI2026-10-21: 150 OI2026-10-23: 152 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, 2026152+2
Oct 21, 2026Viewing150-5
Oct 16, 20261550
Oct 15, 2026155+28
Oct 14, 20261270
Oct 13, 2026127+100
Oct 09, 202627No prior observation