SMH implied volatility
From the closing options book · October 20, 2026 · updated after every close
SMH's at-the-money implied volatility was 40.2% at the October 20, 2026 close. Over the past 260 sessions it ranged from 22.2% to 73.8%, putting today's level at an IV rank of 35 and IV percentile of 53.
SMH at-the-money IV, last 60 sessions
Options were pricing more movement than SMH actually delivered over the last 20 sessions (40.2% implied against 27.1% 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 SMH's own closing history.
These are the October 20, 2026 closing numbers. Members see SMH's map move live all session.
Common questions
40.2% at the money at the October 20, 2026 close.
35 over the past 260 sessions (IV percentile 53).
Its IV percentile is 53: middling 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.