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Contract OI history

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May 21, 2027 EXPIRATION

UPST $20.00 Put

UPST270521P00020000

Latest saved OI338Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $20.00 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. 3401700 2026-10-09: 115 OI2026-10-13: 332 OI2026-10-14: 332 OI2026-10-15: 333 OI2026-10-16: 338 OI2026-10-21: 340 OI2026-10-23: 338 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, 2026338-2
Oct 21, 2026Viewing340+2
Oct 16, 2026338+5
Oct 15, 2026333+1
Oct 14, 20263320
Oct 13, 2026332+217
Oct 09, 2026115No prior observation