iShares Mbs ETF (MBB)'s 30-day implied volatility (IV30) was 5.3% at the close on November 4, 2026, down from 6.1% the day before, against a 52-week range of 2.2% to 12.4%. Its 20-day historical volatility was 6.2%.
Key numbers
30-day implied volatility (IV30): 5.3%
IV30 52-week range: 2.2% to 12.4% (median 5.3%)
Historical volatility: 20-day 6.2%, 1-year 4.9%
Implied move by the nearest expiration: ±0.5%
Data as of November 4, 2026.
MBB Implied Volatility (IV) vs Historical Volatility (HV)
The MBB IV term structure shows the implied volatility difference between different maturity dates.
