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Contract OI history

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May 21, 2027 EXPIRATION

UPST $17.50 Put

UPST270521P00017500

Latest saved OI110Oct 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 $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. 111550 2026-10-09: 108 OI2026-10-13: 98 OI2026-10-14: 98 OI2026-10-15: 111 OI2026-10-16: 105 OI2026-10-21: 110 OI2026-10-23: 110 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, 2026Viewing1100
Oct 21, 2026110+5
Oct 16, 2026105-6
Oct 15, 2026111+13
Oct 14, 2026980
Oct 13, 202698-10
Oct 09, 2026108No prior observation