SYM implied volatility
From the closing options book · October 20, 2026 · updated after every close
SYM's at-the-money implied volatility was 64.2% at the October 20, 2026 close. Over the past 78 sessions it ranged from 46.4% to 187.0%, putting today's level at an IV rank of 13 and IV percentile of 51.
SYM at-the-money IV, last 60 sessions
Options were pricing more movement than SYM actually delivered over the last 20 sessions (64.2% implied against 45.9% 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 SYM's own closing history.
These are the October 20, 2026 closing numbers. Members see SYM's map move live all session.
Common questions
64.2% at the money at the October 20, 2026 close.
13 over the past 78 sessions (IV percentile 51).
Its IV percentile is 51: 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.