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Contract OI history

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Jan 19, 2029 EXPIRATION

OUST $18.00 Call

OUST290119C00018000

Latest saved OI33Oct 23, 2026
Last change0vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $18.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 33160 2026-10-15: 0 OI2026-10-16: 1 OI2026-10-21: 33 OI2026-10-23: 33 OI Oct 15, 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, 2026330
Oct 21, 2026Viewing33+32
Oct 16, 20261+1
Oct 15, 20260No prior observation