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Contract OI history

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Dec 18, 2026 EXPIRATION

UPST $35.00 Put

UPST261218P00035000

Latest saved OI253Oct 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 $35.00 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. 2571280 2026-10-09: 257 OI2026-10-13: 256 OI2026-10-14: 256 OI2026-10-15: 255 OI2026-10-16: 252 OI2026-10-21: 253 OI2026-10-23: 253 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, 20262530
Oct 21, 2026Viewing253+1
Oct 16, 2026252-3
Oct 15, 2026255-1
Oct 14, 20262560
Oct 13, 2026256-1
Oct 09, 2026257No prior observation