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Contract OI history

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Oct 30, 2026 EXPIRATION

UPST $21.00 Put

UPST261030P00021000

Latest saved OI379Oct 23, 2026
Last change+3vs 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. 3791890 2026-10-09: 187 OI2026-10-13: 196 OI2026-10-14: 196 OI2026-10-15: 196 OI2026-10-16: 364 OI2026-10-21: 376 OI2026-10-23: 379 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, 2026Viewing379+3
Oct 21, 2026376+12
Oct 16, 2026364+168
Oct 15, 20261960
Oct 14, 20261960
Oct 13, 2026196+9
Oct 09, 2026187No prior observation