IAU implied volatility
From the closing options book · October 20, 2026 · updated after every close
IAU's at-the-money implied volatility was 20.6% at the October 20, 2026 close. Over the past 256 sessions it ranged from 18.0% to 58.5%, putting today's level at an IV rank of 7 and IV percentile of 11.
IAU at-the-money IV, last 60 sessions
Options were pricing less movement than IAU actually delivered over the last 20 sessions (20.6% implied against 21.1% 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 IAU's own closing history.
These are the October 20, 2026 closing numbers. Members see IAU's map move live all session.
Common questions
20.6% at the money at the October 20, 2026 close.
7 over the past 256 sessions (IV percentile 11).
Its IV percentile is 11: low 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.