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Contract OI history

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Nov 20, 2026 EXPIRATION

UPST $17.50 Put

UPST261120P00017500

Latest saved OI504Oct 23, 2026
Last change+26vs 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. 5042520 2026-10-09: 285 OI2026-10-13: 303 OI2026-10-14: 303 OI2026-10-15: 303 OI2026-10-16: 303 OI2026-10-21: 478 OI2026-10-23: 504 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, 2026504+26
Oct 21, 2026Viewing478+175
Oct 16, 20263030
Oct 15, 20263030
Oct 14, 20263030
Oct 13, 2026303+18
Oct 09, 2026285No prior observation