OITracker Cboe delayed data

Contract OI history

Back to UPST

Feb 19, 2027 EXPIRATION

UPST $22.50 Put

UPST270219P00022500

Latest saved OI108Oct 23, 2026
Last change+7vs 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. 108540 2026-10-09: 101 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-15: 100 OI2026-10-16: 100 OI2026-10-21: 101 OI2026-10-23: 108 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, 2026108+7
Oct 21, 2026Viewing101+1
Oct 16, 20261000
Oct 15, 20261000
Oct 14, 20261000
Oct 13, 2026100-1
Oct 09, 2026101No prior observation