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Contract OI history

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Oct 23, 2026 EXPIRATION

UPST $22.50 Put

UPST261023P00022500

Latest saved OI361Oct 23, 2026
Last change+85vs 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. 3611800 2026-10-09: 24 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-15: 40 OI2026-10-16: 40 OI2026-10-21: 276 OI2026-10-23: 361 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, 2026361+85
Oct 21, 2026Viewing276+236
Oct 16, 2026400
Oct 15, 202640+11
Oct 14, 2026290
Oct 13, 202629+5
Oct 09, 202624No prior observation