SNDK implied volatility
From the closing options book · October 20, 2026 · updated after every close
SNDK's at-the-money implied volatility was 77.4% at the October 20, 2026 close. Over the past 256 sessions it ranged from 58.2% to 212.0%, putting today's level at an IV rank of 12 and IV percentile of 13.
SNDK at-the-money IV, last 60 sessions
Options were pricing more movement than SNDK actually delivered over the last 20 sessions (77.4% implied against 60.3% 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 SNDK's own closing history.
These are the October 20, 2026 closing numbers. Members see SNDK's map move live all session.
Common questions
77.4% at the money at the October 20, 2026 close.
12 over the past 256 sessions (IV percentile 13).
Its IV percentile is 13: 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.