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Contract OI history

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Mar 19, 2027 EXPIRATION

UPST $17.50 Put

UPST270319P00017500

Latest saved OI756Oct 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
UPST $17.50 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. 7563780 2026-10-09: 725 OI2026-10-13: 744 OI2026-10-14: 744 OI2026-10-15: 744 OI2026-10-16: 745 OI2026-10-21: 746 OI2026-10-23: 756 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, 2026Viewing756+10
Oct 21, 2026746+1
Oct 16, 2026745+1
Oct 15, 20267440
Oct 14, 20267440
Oct 13, 2026744+19
Oct 09, 2026725No prior observation