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Contract OI history

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Oct 30, 2026 EXPIRATION

UPST $25.50 Put

UPST261030P00025500

Latest saved OI221Oct 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 $25.50 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. 2211100 2026-10-09: 0 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-15: 120 OI2026-10-16: 219 OI2026-10-21: 221 OI2026-10-23: 221 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, 20262210
Oct 21, 2026Viewing221+2
Oct 16, 2026219+99
Oct 15, 2026120+20
Oct 14, 20261000
Oct 13, 2026100+100
Oct 09, 20260No prior observation