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Contract OI history

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Jan 15, 2027 EXPIRATION

OUST $30.00 Put

OUST270115P00030000

Latest saved OI735Oct 23, 2026
Last change-14vs 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. 7493740 2026-10-09: 593 OI2026-10-13: 705 OI2026-10-14: 705 OI2026-10-15: 730 OI2026-10-16: 712 OI2026-10-21: 749 OI2026-10-23: 735 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, 2026735-14
Oct 21, 2026Viewing749+37
Oct 16, 2026712-18
Oct 15, 2026730+25
Oct 14, 20267050
Oct 13, 2026705+112
Oct 09, 2026593No prior observation