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Contract OI history

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Nov 20, 2026 EXPIRATION

OUST $15.00 Put

OUST261120P00015000

Latest saved OI152Oct 23, 2026
Last change+25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $15.00 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. 152760 2026-10-09: 127 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-15: 127 OI2026-10-16: 127 OI2026-10-21: 127 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, 2026Viewing152+25
Oct 21, 20261270
Oct 16, 20261270
Oct 15, 20261270
Oct 14, 20261270
Oct 13, 20261270
Oct 09, 2026127No prior observation