NASA implied volatility
From the closing options book · October 20, 2026 · updated after every close
NASA's at-the-money implied volatility was 54.8% at the October 20, 2026 close. Over the past 40 sessions it ranged from 42.0% to 77.4%, putting today's level at an IV rank of 36 and IV percentile of 50.
NASA at-the-money IV, last 60 sessions
Options were pricing more movement than NASA actually delivered over the last 20 sessions (54.8% implied against 39.9% 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 NASA's own closing history.
These are the October 20, 2026 closing numbers. Members see NASA's map move live all session.
Common questions
54.8% at the money at the October 20, 2026 close.
36 over the past 40 sessions (IV percentile 50).
Its IV percentile is 50: 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.