VLO implied volatility
From the closing options book · October 20, 2026 · updated after every close
VLO's at-the-money implied volatility was 57.4% at the October 20, 2026 close. Over the past 231 sessions it ranged from 27.3% to 73.3%, putting today's level at an IV rank of 66 and IV percentile of 98.
VLO at-the-money IV, last 60 sessions
Options were pricing more movement than VLO actually delivered over the last 20 sessions (57.4% implied against 37.4% realized).
IV rank places today's IV between the period's low (0) and high (100); IV percentile is the share of sessions with lower IV. Both use VLO's own closing history.
These are the October 20, 2026 closing numbers. Members see VLO's map move live all session.
Common questions
57.4% at the money at the October 20, 2026 close.
66 over the past 231 sessions (IV percentile 98).
Its IV percentile is 98: high against its own past year.
Compare: implied volatility on other tickers
Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.