BITO implied volatility
From the closing options book · October 20, 2026 · updated after every close
BITO's at-the-money implied volatility was 35.9% at the October 20, 2026 close. Over the past 52 sessions it ranged from 28.2% to 74.0%, putting today's level at an IV rank of 17 and IV percentile of 13.
BITO at-the-money IV, last 60 sessions
Options were pricing more movement than BITO actually delivered over the last 20 sessions (35.9% implied against 18.9% 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 BITO's own closing history.
These are the October 20, 2026 closing numbers. Members see BITO's map move live all session.
Common questions
35.9% at the money at the October 20, 2026 close.
17 over the past 52 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.