OITracker Cboe delayed data

Contract OI history

Back to VLO

Nov 20, 2026 EXPIRATION

VLO $422.50 Put

VLO261120P00422500

Latest saved OI1Oct 23, 2026
Last change+1vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $422.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 10 2026-10-21: 0 OI2026-10-23: 1 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VLO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1+1
Oct 21, 20260No prior observation