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iShares National Muni Bond ETF (MUB)



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Upturn Advisory Summary
09/12/2025: MUB (1-star) has a low Upturn Star Rating. Not recommended to BUY.
Analysis of Past Performance
Type ETF | Historic Profit 0.27% | Avg. Invested days 37 | Today’s Advisory Consider higher Upturn Star rating |
Upturn Star Rating ![]() ![]() | Upturn Advisory Performance ![]() | ETF Returns Performance ![]() |
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Key Highlights
Volume (30-day avg) - | Beta 0.9 | 52 Weeks Range 99.75 - 106.91 | Updated Date 06/30/2025 |
52 Weeks Range 99.75 - 106.91 | Updated Date 06/30/2025 |
Upturn AI SWOT
iShares National Muni Bond ETF
ETF Overview
Overview
The iShares National Muni Bond ETF (MUB) seeks to track the investment results of an index composed of investment-grade U.S. municipal bonds. It provides exposure to a broad range of tax-exempt bonds issued by state and local governments, offering a potentially stable income stream for investors.
Reputation and Reliability
BlackRock is a leading global investment management firm, known for its extensive experience and wide range of ETF offerings, including the iShares brand. It is considered a highly reputable and reliable issuer.
Management Expertise
BlackRock has a dedicated team of portfolio managers and analysts with significant expertise in fixed income markets and municipal bonds. They leverage their research capabilities and market insights to manage MUB effectively.
Investment Objective
Goal
The fund seeks to track the investment results of the S&P National AMT-Free Municipal Bond Index, which measures the performance of the investment-grade segment of the U.S. municipal bond market.
Investment Approach and Strategy
Strategy: The ETF aims to replicate the performance of the S&P National AMT-Free Municipal Bond Index.
Composition The ETF holds a diversified portfolio of U.S. municipal bonds that are exempt from federal income taxes and meet specific credit quality and maturity criteria.
Market Position
Market Share: MUB is one of the largest and most liquid ETFs in the national municipal bond market.
Total Net Assets (AUM): 14930000000
Competitors
Key Competitors
- VanEck AMT-Free Intermediate Muni ETF (ITM)
- Invesco National AMT-Free Municipal Bond ETF (PZA)
- Vanguard Tax-Exempt Bond ETF (VTEB)
Competitive Landscape
The national municipal bond ETF market is relatively concentrated, with MUB holding a significant portion of the market share. MUB benefits from its large AUM, high liquidity, and low expense ratio. However, competitors like VTEB offer similar exposure with slightly different approaches and may appeal to investors seeking alternative options.
Financial Performance
Historical Performance: Historical performance data should be obtained from financial data providers. Past performance is not indicative of future results.
Benchmark Comparison: The ETF's performance is typically compared to the S&P National AMT-Free Municipal Bond Index.
Expense Ratio: 0.05
Liquidity
Average Trading Volume
MUB generally exhibits high average trading volume, facilitating easy entry and exit for investors.
Bid-Ask Spread
The bid-ask spread for MUB is typically tight, indicating a liquid market and lower transaction costs.
Market Dynamics
Market Environment Factors
Interest rate movements, inflation expectations, credit spreads, and overall economic conditions can significantly impact MUB's performance. Changes in tax policy can also affect the attractiveness of municipal bonds.
Growth Trajectory
MUB's growth trajectory is closely tied to the demand for tax-exempt income and the overall health of the municipal bond market. Changes in the underlying index or the ETF's management strategy can also influence its growth.
Moat and Competitive Advantages
Competitive Edge
MUB's competitive advantages include its large AUM, high trading volume, and low expense ratio, which contribute to its liquidity and cost-effectiveness. Its established track record and the backing of BlackRock, a reputable issuer, further enhance its appeal to investors. MUB also benefits from its broad diversification across the U.S. municipal bond market. These factors allow it to efficiently track the S&P National AMT-Free Municipal Bond Index.
Risk Analysis
Volatility
MUB's volatility is generally lower than that of equity ETFs due to the stability of municipal bonds. However, interest rate risk and credit risk are still present.
Market Risk
MUB is subject to interest rate risk, meaning that its value can decline when interest rates rise. It is also exposed to credit risk, as some municipal bonds may default on their payments.
Investor Profile
Ideal Investor Profile
The ideal investor for MUB is a risk-averse individual seeking a stable stream of tax-exempt income. It is suitable for investors in higher tax brackets who want to reduce their tax burden.
Market Risk
MUB is generally best suited for long-term investors seeking a passive income strategy. It is not typically recommended for active traders due to its relatively low volatility.
Summary
The iShares National Muni Bond ETF (MUB) offers investors diversified exposure to the U.S. municipal bond market, providing a tax-exempt income stream. Backed by BlackRock's expertise, it boasts significant AUM, high liquidity, and a low expense ratio. MUB is ideal for risk-averse, long-term investors in higher tax brackets seeking stability and tax benefits. However, investors should be aware of the inherent interest rate and credit risks associated with fixed-income investments.
Peer Comparison
Sources and Disclaimers
Data Sources:
- iShares.com
- Bloomberg.com
- Morningstar.com
Disclaimers:
The data provided is for informational purposes only and should not be considered investment advice. Past performance is not indicative of future results. Consult with a qualified financial advisor before making any investment decisions.
AI Summarization is directionally correct and might not be accurate.
Summarized information shown could be a few years old and not current.
Fundamental Rating based on AI could be based on old data.
AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.
About iShares National Muni Bond ETF
Exchange NYSE ARCA | Headquaters - | ||
IPO Launch date - | CEO - | ||
Sector - | Industry - | Full time employees - | Website |
Full time employees - | Website |
The underlying index includes municipal bonds, the interest of which is exempt from Federal income taxes and not subject to alternative minimum tax. The fund will invest at least 80% of its assets in the component securities of the underlying index and it will invest at least 90% of its assets in fixed income securities of the types included in the underlying index that BFA believes will help the fund track the underlying index.

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