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Contract OI history

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Jan 21, 2028 EXPIRATION

UPST $22.50 Put

UPST280121P00022500

Latest saved OI605Oct 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 $22.50 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. 6053020 2026-10-09: 602 OI2026-10-13: 602 OI2026-10-14: 602 OI2026-10-15: 603 OI2026-10-16: 603 OI2026-10-21: 605 OI2026-10-23: 605 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, 2026Viewing6050
Oct 21, 2026605+2
Oct 16, 20266030
Oct 15, 2026603+1
Oct 14, 20266020
Oct 13, 20266020
Oct 09, 2026602No prior observation