SLS implied volatility
From the closing options book · October 20, 2026 · updated after every close
SLS's at-the-money implied volatility was 149.3% at the October 20, 2026 close. Over the past 22 sessions it ranged from 110.8% to 286.2%, putting today's level at an IV rank of 22 and IV percentile of 59.
SLS at-the-money IV, last 60 sessions
Options were pricing more movement than SLS actually delivered over the last 20 sessions (149.3% implied against 88.1% 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 SLS's own closing history.
These are the October 20, 2026 closing numbers. Members see SLS's map move live all session.
Common questions
149.3% at the money at the October 20, 2026 close.
22 over the past 22 sessions (IV percentile 59).
Its IV percentile is 59: 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.