OITracker Cboe delayed data

Contract OI history

Back to UPST

Dec 15, 2028 EXPIRATION

UPST $27.50 Call

UPST281215C00027500

Latest saved OI903Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $27.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 9224610 2026-10-09: 922 OI2026-10-13: 914 OI2026-10-14: 914 OI2026-10-15: 907 OI2026-10-16: 902 OI2026-10-21: 899 OI2026-10-23: 903 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, 2026903+4
Oct 21, 2026Viewing899-3
Oct 16, 2026902-5
Oct 15, 2026907-7
Oct 14, 20269140
Oct 13, 2026914-8
Oct 09, 2026922No prior observation