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Contract OI history

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Feb 19, 2027 EXPIRATION

OUST $55.00 Call

OUST270219C00055000

Latest saved OI185Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $55.00 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. 185920 2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 109 OI2026-10-16: 108 OI2026-10-21: 175 OI2026-10-23: 185 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, 2026Viewing185+10
Oct 21, 2026175+67
Oct 16, 2026108-1
Oct 15, 2026109+6
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 2026103No prior observation