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Contract OI history

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Nov 20, 2026 EXPIRATION

UPST $27.50 Put

UPST261120P00027500

Latest saved OI235Oct 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 $27.50 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. 2351170 2026-10-09: 190 OI2026-10-13: 194 OI2026-10-14: 194 OI2026-10-15: 225 OI2026-10-16: 226 OI2026-10-21: 235 OI2026-10-23: 235 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, 20262350
Oct 21, 2026Viewing235+9
Oct 16, 2026226+1
Oct 15, 2026225+31
Oct 14, 20261940
Oct 13, 2026194+4
Oct 09, 2026190No prior observation