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Contract OI history

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Oct 23, 2026 EXPIRATION

UPST $21.00 Put

UPST261023P00021000

Latest saved OI201Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $21.00 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. 2071030 2026-10-09: 144 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 174 OI2026-10-16: 165 OI2026-10-21: 207 OI2026-10-23: 201 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, 2026Viewing201-6
Oct 21, 2026207+42
Oct 16, 2026165-9
Oct 15, 2026174+11
Oct 14, 20261630
Oct 13, 2026163+19
Oct 09, 2026144No prior observation