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Contract OI history

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Feb 19, 2027 EXPIRATION

UPST $17.50 Put

UPST270219P00017500

Latest saved OI135Oct 23, 2026
Last change+1vs 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. 135670 2026-10-09: 128 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-15: 129 OI2026-10-16: 134 OI2026-10-21: 134 OI2026-10-23: 135 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, 2026135+1
Oct 21, 2026Viewing1340
Oct 16, 2026134+5
Oct 15, 2026129+1
Oct 14, 20261280
Oct 13, 20261280
Oct 09, 2026128No prior observation