SMCI implied volatility
From the closing options book · October 20, 2026 · updated after every close
SMCI's at-the-money implied volatility was 101.2% at the October 20, 2026 close. Over the past 159 sessions it ranged from 52.2% to 164.4%, putting today's level at an IV rank of 44 and IV percentile of 92.
SMCI at-the-money IV, last 60 sessions
Options were pricing more movement than SMCI actually delivered over the last 20 sessions (101.2% implied against 63.0% 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 SMCI's own closing history.
These are the October 20, 2026 closing numbers. Members see SMCI's map move live all session.
Common questions
101.2% at the money at the October 20, 2026 close.
44 over the past 159 sessions (IV percentile 92).
Its IV percentile is 92: 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.