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Contract OI history

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Jan 21, 2028 EXPIRATION

OUST $50.00 Call

OUST280121C00050000

Latest saved OI1,434Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OUST $50.00 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. 1,4347170 2026-10-09: 1,378 OI2026-10-13: 1,399 OI2026-10-14: 1,399 OI2026-10-15: 1,428 OI2026-10-16: 1,429 OI2026-10-21: 1,432 OI2026-10-23: 1,434 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, 20261,434+2
Oct 21, 2026Viewing1,432+3
Oct 16, 20261,429+1
Oct 15, 20261,428+29
Oct 14, 20261,3990
Oct 13, 20261,399+21
Oct 09, 20261,378No prior observation