OITracker Cboe delayed data

Contract OI history

Back to UPST

May 21, 2027 EXPIRATION

UPST $30.00 Put

UPST270521P00030000

Latest saved OI753Oct 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 $30.00 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. 7543770 2026-10-09: 754 OI2026-10-13: 754 OI2026-10-14: 754 OI2026-10-15: 753 OI2026-10-16: 753 OI2026-10-21: 753 OI2026-10-23: 753 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, 2026Viewing7530
Oct 21, 20267530
Oct 16, 20267530
Oct 15, 2026753-1
Oct 14, 20267540
Oct 13, 20267540
Oct 09, 2026754No prior observation