iShares National Muni Bond ETF
MUB NYSE Arca
The iShares National Muni Bond ETF seeks to track the investment results of an index composed of investment-grade U.S. municipal bonds.
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- Fund size
- 16.5B as of Feb 2020
- Expense ratio
- 0.07% per year
- Dividend yield
- 3.37% Monthly
- Volatility · 1Y
- 3.5% Below Average
- Beta
- 0.08 vs the market
- 52-week range
- 100.00106.69
How MUB has paid off
Price return over every period, and total return with dividends reinvested, set against price alone.
Return by period
Price · to Oct 12Total return vs price return
Price onlyOver 1 year, MUB returned +0.9% with dividends reinvested — dividends added +3.3 pts to the price move.
How bumpy is the ride?
Return only means something next to the risk taken to earn it. Volatility, drawdowns and market sensitivity over 1 year.
Volatility
Annualized · 1YA typical year sees the price swing about ±3% around its trend.
Drawdown from peak
How far below its previous high the price has been Deepest fall −6.3% on Sep 29, 2026 — 85 days after the previous high
More than 5% below a high 5% of the time.
Market sensitivity
BetaA beta of 0.08 means MUB has moved less than the market.
Trend & momentum
Where the price sits against its moving averages, and how stretched the recent move is.
Price vs moving averages
Downtrend- 12-day average101.13 +0.0%
- 26-day average101.83 −0.7%
- 50-day average102.81 −1.6%
- 200-day average104.03 −2.8%
The price is above 1 of 4 averages. The 50-day average is below the 200-day, a sign of a falling longer-term trend.
Relative strength (RSI)
NeutralRSI compares recent gains with recent losses on a 0–100 scale. Above 70 a move is often considered stretched, below 30 washed out.
Technical indicators describe past prices. They are not a forecast.
Inside the fund
Municipals · Broad Maturities — tracking the S&P National AMT-Free Municipal Bond Index.
- Assets under management16.5BUSD
- Expense ratio0.07%per year
- Holdings4,324
- Risk score3.1Low
Launched September 2007. Listed options available. Fund data as of Feb 28, 2020.
What it pays you
Cash distributions over the last twelve months, and how they have grown.
About 34 USD a year for every 1,000 USD invested at today's price.
- Per share
- 3.41
- Frequency
- Monthly
- Last paid
- Oct 1, 2026
Last 12 months
3.41 USD / shareWhere MUB shows up
Curated themes and indices that hold MUB. Open one to see it in context, or test the whole theme in a portfolio.
About iShares National Muni Bond ETF
The iShares National Muni Bond ETF seeks to track the investment results of an index composed of investment-grade U.S. municipal bonds.
- Featured in 2 curated themes
- 4,324 holdings
- Ticker
- MUB
- Exchange
- NYSE Arca
- ISIN
- US4642884146
- CUSIP
- 464288414
- Currency
- U.S. Dollar (USD)
- Country
- USA
- Sector
- Municipals
- Industry
- Broad Maturities
- Benchmark
- S&P National AMT-Free Municipal Bond Index
All key statistics
Details
Shareas of Oct 12, 2026
Dataas of Feb 28, 2020
Put MUB to the test
See how it would change the return and the risk of a portfolio, with virtual money, before a single real dollar moves.
Data for information only, not investment advice. Past performance does not guarantee future results.