iSharesMuni National IntermediateMUB · NYSE Arca

iShares National Muni Bond ETF (MUB)

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Price: $103.17; —11 Sept 2026
Assets: $45.4B; Total net assets
Expense ratio: 0.05%; Category 0.62%
Yield: 3.25%; Trailing distributions

1Y return: 0.0%-0.5%; Category 0.5%
3Y CAGR: 2.6%-0.6%; Category 3.1%
5Y CAGR: 0.2%-0.1%; Category 0.4%

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iShares National Muni Bond ETF

Calendar-year returns

Fund only: no comparison series covers this fund's history.

Risk statistics

Five years of daily closes. Risk-free rate 4% a year.

Standard deviation: —
Maximum drawdown: —
Sharpe ratio: —
Sortino ratio: —
Beta: —
Alpha: —
R²: —
Information ratio: —
Upside capture: —
Downside capture: —
Tracking error: —

Trailing returns compared with benchmark
Period	1M	3M	6M	YTD	1Y	3YCAGR	5YCAGR	10YCAGR	LaunchCAGR
ETF	-2.4%	-2.8%	-2.2%	-1.6%	0.0%	+2.6%	+0.2%	+1.6%	+2.9%
Muni National Intermediate average	-2.3%	-2.5%	-1.9%	-1.0%	0.5%	3.1%	0.4%	1.7%	1.6%
Difference	-0.1%	-0.4%	-0.4%	-0.6%	-0.5%	-0.6%	-0.1%	-0.1%	+1.3%

Holdings

Allocation as last published by the fund.

Credit quality

Share of the bonds by rating.

AAA21.8%
AA61.7%
A15.7%
BBB0.8%
Other0.1%

Asset mix

Bonds99.9%
Cash0.1%

ETF details

Issuer: iShares
Category: Fixed Income · Muni National Intermediate
Ticker: MUB
Exchange: NYSE Arca
Inception: 7 Sept 2007 (19.0 years)
Structure: Exchange Traded Fund
Expense ratio: 0.05% (category 0.62%)
Holdings turnover: 11% (category 43%)
Distribution yield: 3.25%
Beta, 3 years: 0.91
Total net assets: $45.4B
Average duration: 4.71 years
Average maturity: 10.21 years

Prices and returns as of 11 Sept 2026; total return with distributions reinvested, before brokerage and taxes. Not investment advice.

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