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Contract OI history

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Oct 23, 2026 EXPIRATION

UPST $25.50 Call

UPST261023C00025500

Latest saved OI1,183Oct 23, 2026
Last change+338vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $25.50 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. 1,1835910 2026-10-09: 27 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 40 OI2026-10-16: 273 OI2026-10-21: 845 OI2026-10-23: 1,183 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UPST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,183+338
Oct 21, 2026Viewing845+572
Oct 16, 2026273+233
Oct 15, 2026400
Oct 14, 2026400
Oct 13, 202640+13
Oct 09, 202627No prior observation