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Contract OI history

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Dec 18, 2026 EXPIRATION

UPST $27.50 Call

UPST261218C00027500

Latest saved OI1,279Oct 23, 2026
Last change+54vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $27.50 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. 1,2796390 2026-10-09: 975 OI2026-10-13: 943 OI2026-10-14: 943 OI2026-10-15: 935 OI2026-10-16: 934 OI2026-10-21: 1,225 OI2026-10-23: 1,279 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, 20261,279+54
Oct 21, 2026Viewing1,225+291
Oct 16, 2026934-1
Oct 15, 2026935-8
Oct 14, 20269430
Oct 13, 2026943-32
Oct 09, 2026975No prior observation