MSTU implied volatility
From the closing options book · October 20, 2026 · updated after every close
MSTU's at-the-money implied volatility was 144.9% at the October 20, 2026 close. Over the past 29 sessions it ranged from 117.7% to 246.6%, putting today's level at an IV rank of 21 and IV percentile of 52.
MSTU at-the-money IV, last 60 sessions
Options were pricing more movement than MSTU actually delivered over the last 20 sessions (144.9% implied against 123.5% 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 MSTU's own closing history.
These are the October 20, 2026 closing numbers. Members see MSTU's map move live all session.
Common questions
144.9% at the money at the October 20, 2026 close.
21 over the past 29 sessions (IV percentile 52).
Its IV percentile is 52: 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.