Guide to Morningstar Ratings

By Rebecca Lake · September 05, 2023 · 10 minute read

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Guide to Morningstar Ratings

Morningstar is a highly regarded financial services firm whose mission revolves around providing investors with the research and tools, including Morningstar ratings, they need to make informed decisions in their portfolios.

Those tools, used by individual investors as well as institutional investors and financial advisors, include Morningstar fund ratings, which can help investors gauge how well various mutual funds and exchange-traded funds (ETFs) have performed over time.

What are Morningstar Ratings?

In simple terms, the Morningstar ratings system is a tool investors can use to compare financial securities such as mutual funds and ETFs. And if you’re wondering whether Morningstar ratings are legitimate, the answer is yes. Even FINRA, the Financial Industry Regulatory Authority, uses Morningstar ratings.

Morningstar reviews of mutual funds and ETFs reflect different metrics, depending on which ratings system is being applied. The main Morningstar ratings investors may turn to learn more about a particular investment are the Star Ratings and Analyst Ratings. (Morningstar also has a separate ratings system for individual stocks.)

These ratings can be helpful to investors for a variety of reasons — whether they’re trying to diversify their portfolio, or some research into socially responsible investing, and trying to find securities that fit their strategy.

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How Morningstar Ratings Work

As Morningstar itself describes, the ratings system uses a methodology based on specific categories and risk-adjusted return measures. The company will only rate a fund that’s been around for more than three years. Morningstar also updates its ratings on a monthly basis.

You can use these ratings to select from the funds available in your 401(k), or to decide which funds to add to an IRA or a taxable brokerage account.

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The “Star Rating” Explained

The Morningstar Star Rating system, more simply referred to as star rating, is a quantitative ranking of mutual funds and ETFs. Introduced in 1985, the star rating looks backward at a fund’s past performance, then assigns a rating from one to five stars based on that performance.

As mentioned, Morningstar reviews ETFs and mutual funds with a record of more than three years, so newer funds do not receive a star rating until they’re reached this milestone. The rating methodology utilizes an enhanced Morningstar risk-adjusted return measure. Specifically, the star ratings system looks at each fund’s three-, five-, and 10-year risk-adjusted returns.

Star ratings can serve as a report card of sorts for comparing different funds, based on how they’ve performed historically. The Morningstar ratings are not forward-looking, as past performance is not a foolproof indicator of future behavior. But investors can use the ratings system as a starting off point for conducting fund research when deciding where to invest.

If you’re looking for a tool to help you compare mutual funds or exchange-traded funds at a glance based on past performance, the star rating system can help.

The “Analyst Rating” Explained

The Morningstar Analyst Rating takes a different approach to ranking funds and ETFs. Instead of looking backward, the qualitative analyst rating looks forward to assess a fund’s ability to outperform similar funds or a market benchmark. Rather than using stars, funds receive a rating of Gold, Silver, Bronze, Neutral or Negative, based on the analyst’s outlook for performance.

The firm does not update analyst ratings as frequently as star ratings. Morningstar reviews for analyst ratings are reevaluated at least every 14 months. The firm typically assigns analyst ratings to funds with the most interest from investors or the most assets.

When ranking funds, analysts look at three specific metrics:

•   People

•   Process

•   Parent

Performance is also taken into account within the People and Process pillars. In order to earn a Gold, Silver or Bronze rating, an analyst must determine that an active fund can beat its underlying benchmark when adjusted for risk.

Generally speaking, these Morningstar reviews go into more detail, in terms of the analysis, ranking, and comparison of funds. If you’re an active trader or a buy-and-hold investor you might use the Morningstar analyst ratings to get a feel for what a particular mutual fund might do next, which can be helpful when an investor is, for example, trying to pick an ETF.

How Morningstar Measures Volatility

Morningstar uses a few key volatility measurements as it aims to minimize risk and maximize returns through strategic diversification. Chief among those measurements are standard deviation, mean, and the Sharpe ratio.
It’s a somewhat complicated process, but using these three measurements in tandem helps Morningstar get a handle on volatility and make appropriate ratings decisions.

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Example of a Morningstar Rating

Morningstar star ratings are free to access for investors on the company’s website, and it’s relatively easy to find plenty of examples of Morningstar ratings on the platform. For instance, to find a star rating for a particular fund or ETF you’d simply search for it using its name or ticker symbol. You can also view Morningstar ratings and picks for funds by category, such as small-cap funds or U.S. index funds.

Here’s an example of a Morningstar rating for the Calvert International Responsible Idx I fund (CDHIX). This fund, which is in the foreign large-blend category and is an index fund, has a four-star rating from Morningstar. You can see at a glance that the fund has an expense ratio of 0.29%, a minimum investment of $100,000 and just over $867 million in assets, as of August 2023.

Are Morningstar Ratings Accurate?

Morningstar fund ratings are designed to be a guide to use as you invest, rather than the absolute word on how well a fund is likely to perform. That’s to say that there’s always going to be risk involved when investing, so don’t expect any rating to be a sure-thing.

So, how well do Morningstar ratings perform over time and are they an accurate guide for investing?

According to Morningstar’s own analysis of its ratings system, the star ratings can be a useful jumping-off point for investors. That analysis resulted in three key findings:

•   Funds with higher star ratings tend to have lower expense ratios and be cheaper for investors to own

•   Higher rated funds tend to be less volatile and experience less dramatic downward swings when the market is in flux

•   Funds that received higher star ratings tended to produce higher returns for investors compared to funds with lower ratings

The analysis didn’t look specifically at how star ratings and fund performance aligned through different bull and bear markets. But the ultimate conclusion Morningstar drew is that the Star Ratings tend to steer investors toward cheaper funds that are easier to own and stand a better chance of outperforming the market.

Use Expense Ratios

According to Morningstar, fees are one of the best predictors of future performance, at least for Star Ratings. For funds and ETFs, that means it’s important to consider the expense ratio, which represents the cost of owning a fund annually, calculated as a percentage of fund assets.

Actively managed funds typically carry higher expense ratios, as they require a fund manager to play an important role in selecting fund assets. Passively managed funds and ETFs, on the other hand, often have lower expense ratios.

So which one is better? The answer is that it all comes down to performance and returns over time. A fund with a higher expense ratio is not guaranteed to produce a level of returns that justify higher fees. Likewise, a fund that has a lower expense ratio doesn’t necessarily mean that it’s a poor investment just because it’s cheaper to own. Morningstar’s research found that the average one-star fund cost significantly more than the average five-star fund.

As you do your own research in comparing funds and ETFs, consider both performance and cost. This can help you find the right balance when weighing returns against fees.

How Should Investors Use Morningstar Ratings?

How much do Morningstar ratings matter in the grand scheme of things? The answer is, it depends on what you need from investment research tools.

Morningstar reviews of mutual funds and ETFs can be helpful for comparing investments, especially if you’re just getting started with the markets. Morningstar is a respected and trusted institution and both the Star and Analyst Ratings are calculated using a systematic approach. The reviews aren’t just thrown together or based on a best guess.

They’re designed to be a guide and not a substitute for professional financial advice. So, for instance, you may use them to compare two index funds that track the same or a similar benchmark. Or you may use them to compare two ETFs that are representative of the same market sector.

Risks of Morningstar Ratings

Morningstar Ratings are not an absolute predictor of how a mutual fund or ETF will perform in the next five minutes, five days, or five years. After all, there’s no way to perfectly predict how any investment will perform as the market changes day to day or even minute-to-minute.

One risk to avoid with Morningstar ratings is relying on them solely as your only research tool and not doing your own independent research. Again, that means checking expense ratios as well as looking at the underlying assets of a particular fund and its investment strategy (i.e. active vs. passive) to determine how well it aligns with your goals and risk tolerance.

Looking only at Morningstar reviews without doing your own due diligence could cause you to invest in funds that aren’t the best fit for your portfolio. Or you may overestimate how well a fund will perform, only to be disappointed later. For those reasons, it’s important to look under the hood, so to speak, to ensure that you fully understand what you’re investing in before buying in.

Morningstar Ratings for Funds

As discussed, Morningstar’s rating system mostly focuses on funds, including index funds, mutual funds, and ETFs. The company also has a ratings system for individual stocks, but its bread and butter is its focus on funds. And, as a quick refresher, it uses a data-driven, quantitative methodology for determining those rankings.

Also, as it bears repeating, a good Morningstar rating does not mean that an investment is risk-free.

Other Investment Risk Rating Providers

Morningstar is just one of many companies that offers investment ratings. An internet search will likely yield many results. But it’s a list that includes many familiar names, such as Bloomberg, Nasdaq Market Data Feeds, S&P Global Market Intelligence, MarketWatch, Thomson Reuters, and others.

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Trading Stocks With SoFi

Having research tools can help you make educated decisions about where and how to invest. Morningstar Ratings are one tool you can use. When you’re ready to invest and apply the knowledge you’ve acquired, the next step is opening an online brokerage account. But keep in mind that there are many ratings services on the market, and that Morningstar’s ratings are far from the only research tool out there.

It’s also important for investors to keep in mind that all investments involve risk, whether they’re highly-rated or not. Be sure to do your due diligence before investing, but know there’s always a chance that things could turn sour on you.

Ready to invest in your goals? It’s easy to get started when you open an investment account with SoFi Invest. You can invest in stocks, exchange-traded funds (ETFs), mutual funds, alternative funds, and more. SoFi doesn’t charge commissions, but other fees apply (full fee disclosure here).

For a limited time, opening and funding an Active Invest account gives you the opportunity to get up to $1,000 in the stock of your choice.


How reliable are Morningstar ratings?

Morningstar ratings are generally considered to be high-quality in the financial industry, but that doesn’t mean that its ratings are always spot-on. All investing involves risk, and even a high rating doesn’t guarantee that an investment will pan out.

Is a Morningstar rating of “5” good?

Morningstar uses a scale of one to five “stars” to rate investments, with five stars being the highest, or best-quality investment. So, yes, a five-star rating is generally considered good, although not risk-free.

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