OITracker Cboe delayed data

Contract OI history

Back to VLO

Nov 20, 2026 EXPIRATION

VLO $435.00 Put

VLO261120P00435000

Latest saved OI161Oct 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 $435.00 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. 162810 2026-10-21: 162 OI2026-10-23: 161 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, 2026Viewing161-1
Oct 21, 2026162No prior observation