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What Is the MYMF ETF? A Comprehensive Look at Returns, Expense Ratio, Holdings, and Alternative ETFs

Updated August 18, 2026 · First published August 18, 2026

The State Street 2026 Municipal Bond ETF (MYMF) is an active product that seeks exposure to U.S. municipal bonds with a target maturity date while pursuing tax efficiency. The fund has a distribution history, though payouts occur on an irregular schedule, and investors should consider interest rate risk, credit risk, and reinvestment plans following the fund's liquidation.

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What Is the State Street 2026 Municipal Bond ETF?

It is an actively managed ETF with a target maturity date that invests primarily in U.S. municipal bonds. The fund seeks to generate cash flows exempt from regular federal income tax while also considering principal preservation.

Investors looking to use U.S. municipal bond exposure in alignment with expected cash flow timing can evaluate its suitability.

The ETF is managed by State Street using an active management approach.

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How to Invest in the State Street 2026 Municipal Bond ETF

ItemDetails
Benchmark IndexBroad U.S. Municipal Bond Index with Target Maturity
Management StyleActive Target Maturity Bond Management
Rebalancing FrequencyAdjusted at the Manager's Discretion
Distribution HistoryDistribution History Exists; Irregular Schedule
Total Expense Ratio0.20%
Fund ManagerState Street

The fund combines top-down risk management that monitors the interest rate environment and credit conditions with bottom-up security selection that examines individual issuers and bond terms. As the target maturity date approaches, the weighting of cash and cash equivalents may increase, making it important to confirm alignment between the holding period and planned cash needs.

  • Target Maturity Structure
  • Active Bond Selection
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State Street 2026 Municipal Bond ETF: Size and Costs (AUM and Expense Ratio)

Assets under management (AUM) stand at $8.7M, and the total expense ratio is 0.20% annually.

For target maturity bond products, it is important to review market price, net asset value, and after-tax realized returns together.

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State Street 2026 Municipal Bond ETF: Performance and Flows

1-Year Price Performance
Dividend & Yield
Dividend Yield 2.47%
Annual Dividend (TTM) $0.61
1Y Return -0.1%
Next Ex-Dividend Date 10/1/2026
52-Week Price Range
$25
Low $25 High $25
vs. low +0.45% vs. high -0.5%

Bond product price movements can be driven by changes in interest rates and credit risk perception. In a structure approaching its target maturity, the reinvestment period shortens and the potential allocation to cash and cash equivalents increases, which can produce a different return and reinvestment risk profile than that of longer-dated bond products.

Demand for U.S. municipal bonds can be influenced by federal income tax treatment, interest rate levels, and issuer credit conditions. This product is tied to demand for maturity-based bond ladders, but during periods of market stress, investors should also monitor the potential for reduced liquidity and deviations of market price from net asset value.

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State Street 2026 Municipal Bond ETF: Strengths and Weaknesses

The structure, which combines a target maturity date with tax efficiency, is a strength, but municipal bond credit, interest rate, and liquidity risks must be reviewed separately.

💪 Key Strengths

Target Maturity Design
The structure makes it easy to align scheduled cash flow timing with a defined bond investment window.
Pursuit of Tax Efficiency
The fund targets cash flows exempt from regular federal income tax and can be used for after-tax return comparisons.
Active Risk Management
Macro conditions and individual issuer analysis are combined to select sectors and bonds.

⚠️ Points to Watch

Interest Rate Sensitivity
Rising rates can lead to lower bond prices, and profit and loss swings may widen if the fund is sold before maturity.
Issuer Credit Risk
Changes in municipal issuers' financial conditions and revenue base can affect bond value.
Liquidity and Market Price
During market stress, trading liquidity can decline and the gap between net asset value and trading price can widen.
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State Street 2026 Municipal Bond ETF: Alternative ETFs and Related Products

The VTEB ETF shown in the table can be a reference for investors seeking broad tax-exempt bond exposure with a lower fee burden, while the MUB ETF can be used for broad U.S. municipal bond comparisons. The JMUB ETF serves as a comparison point for actively managed municipal bond approaches, the CGMU ETF can be reviewed together when examining income-seeking municipal strategies and their fee burden, and the CMF ETF can be used to assess differences when California-focused exposure is desired. The MYMF ETF is best compared with a focus on the alignment between its target maturity structure and the timing of cash needs.

Peer Comparison ETFs
TickerNamePriceChangeAUMTotal Expense RatioDividend Yield1Y
MUBMUBiShares National Muni Bond ETF$104.18+0.3%$54.3B0.05%3.28%-3.0%
VTEBVTEBVanguard Tax-Exempt Bond ETF$48.88+0.4%$53.0B0.03%3.48%-3.2%
JMUBJMUBJPMorgan Municipal ETF$49.09+0.3%$9.0B0.18%3.49%-3.0%
CGMUCGMUCapital Group Municipal Income ETF$26.72+0.0%$7.5B0.27%3.42%-2.7%
CMFCMFiShares California Muni Bond ETF$55.80+0.3%$5.4B0.08%3.02%-3.0%
Top Holdings
TickerNameWeightPriceChangeMarket CapP/EDividend Yield
NYTNYTNew York Times Co0.07%$70.17+1.1%$11.3B29.31.28%
MYMKMYMKState Street My2031 Municipal Bond ETF0.04%$24.67+0.1%$0.0M-2.61%
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Investor Checklist for the State Street 2026 Municipal Bond ETF

Before investing in the MYMF ETF, the alignment between the maturity date and the planned use of funds should be reviewed first. Because the product follows a liquidation structure upon reaching its target maturity rather than a typical long-term bond investment approach, it is advisable to evaluate the investment horizon, reinvestment plans, and tax treatment together.

CheckpointWhat to VerifyCurrent Status
Maturity and LiquidationTiming of capital needs and reinvestment plan after liquidationTarget Maturity Structure
Tax TreatmentIndividual tax status and applicability of tax-exempt incomeRequires Individual Review
Interest Rate SensitivityImpact of rate changes on market price and pre-maturity sellingSubject to Change
Trading LiquidityDifference between market price and net asset value and trading conditionsConfirm Depending on Market Conditions

The key risks of the MYMF ETF are interest rate fluctuations, municipal issuer credit conditions, and liquidity changes. The municipal bond market can be affected by tax, legislative, and policy variables as well as issuer financial conditions, and the ETF's market price may trade at a premium or discount to net asset value. Profit and loss can differ if the fund is sold before maturity.

The State Street 2026 Municipal Bond ETF can be considered when an investor seeks to link exposure to U.S. municipal bonds with a specific cash flow timing. However, because a target maturity structure is not suited to every investment horizon, it is advisable to review reinvestment plans following liquidation, tax treatment, and interest rate and credit risks before making a decision.

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Disclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.

This article reflects information as of August 18, 2026.

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