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Contract OI history

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Dec 18, 2026 EXPIRATION

UPST $40.00 Put

UPST261218P00040000

Latest saved OI463Oct 23, 2026
Last change-20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $40.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4932460 2026-10-09: 493 OI2026-10-13: 483 OI2026-10-14: 483 OI2026-10-15: 483 OI2026-10-16: 483 OI2026-10-21: 483 OI2026-10-23: 463 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, 2026463-20
Oct 21, 2026Viewing4830
Oct 16, 20264830
Oct 15, 20264830
Oct 14, 20264830
Oct 13, 2026483-10
Oct 09, 2026493No prior observation