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Contract OI history

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Oct 30, 2026 EXPIRATION

OUST $40.00 Call

OUST261030C00040000

Latest saved OI329Oct 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 $40.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3321660 2026-10-09: 155 OI2026-10-13: 330 OI2026-10-14: 330 OI2026-10-15: 332 OI2026-10-16: 332 OI2026-10-21: 329 OI2026-10-23: 329 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, 20263290
Oct 21, 2026Viewing329-3
Oct 16, 20263320
Oct 15, 2026332+2
Oct 14, 20263300
Oct 13, 2026330+175
Oct 09, 2026155No prior observation