Morningstar Municipal Bond Fund (MSTPX)

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The chart shows the growth of an initial investment of $10,000 in Morningstar Municipal Bond Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

Morningstar Municipal Bond Fund (MSTPX) has returned -0.50% so far this year and 2.10% over the past 12 months.

Based on dividend-adjusted daily data since Nov 5, 2018, MSTPX's average daily return is +0.01%, while the average monthly return is +0.20%. At this rate, your investment would double in approximately 28.9 years.

Historically, 61% of months were positive and 39% were negative. The best month was Nov 2023 with a return of +4.9%, while the worst month was Mar 2020 at -3.8%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 4 months.

On a daily basis, MSTPX closed higher 36% of trading days. The best single day was Mar 25, 2020 with a return of +2.9%, while the worst single day was Apr 14, 2025 at -2.6%.

Morningstar Municipal Bond Fund has an annualized alpha of 2.07%, beta of 0.03, and R² of 0.02 versus S&P 500 Index. Calculated based on daily prices since November 06, 2018.

• This fund participated in 16.91% of S&P 500 Index downside but only 13.18% of its upside — more exposed to losses than it benefited from rallies.
• Beta of 0.03 may look defensive, but with R² of 0.02 this fund is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
• R² of 0.02 means this fund moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

MSTPX has an expense ratio of 0.58%, placing it in the medium range.

MSTPX ranks 23 for risk / return — below 23% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.

The table below present risk-adjusted performance metrics for Morningstar Municipal Bond Fund (MSTPX) and compare them to a chosen benchmark (S&P 500 Index).

Morningstar Municipal Bond Fund provided a 1.56% dividend yield over the last twelve months, with an annual payout of $0.15 per share.

The table displays the monthly dividend distributions for Morningstar Municipal Bond Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the Morningstar Municipal Bond Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Morningstar Municipal Bond Fund was 10.90%, occurring on Oct 25, 2022. Recovery took 444 trading sessions.

The current Morningstar Municipal Bond Fund drawdown is 1.98%.

The chart below shows the rolling one-month volatility.