OITracker Cboe delayed data

Contract OI history

Back to UPST

Nov 20, 2026 EXPIRATION

UPST $25.00 Put

UPST261120P00025000

Latest saved OI643Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UPST $25.00 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. 6443220 2026-10-09: 502 OI2026-10-13: 592 OI2026-10-14: 592 OI2026-10-15: 612 OI2026-10-16: 622 OI2026-10-21: 644 OI2026-10-23: 643 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, 2026Viewing643-1
Oct 21, 2026644+22
Oct 16, 2026622+10
Oct 15, 2026612+20
Oct 14, 20265920
Oct 13, 2026592+90
Oct 09, 2026502No prior observation