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Contract OI history

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Mar 19, 2027 EXPIRATION

UPST $27.50 Put

UPST270319P00027500

Latest saved OI349Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $27.50 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. 3511750 2026-10-09: 304 OI2026-10-13: 322 OI2026-10-14: 322 OI2026-10-15: 351 OI2026-10-16: 351 OI2026-10-21: 349 OI2026-10-23: 349 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, 2026Viewing3490
Oct 21, 2026349-2
Oct 16, 20263510
Oct 15, 2026351+29
Oct 14, 20263220
Oct 13, 2026322+18
Oct 09, 2026304No prior observation