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Investing

Money market funds: A low-risk, income-generating way to invest for the short term

Money market funds are a good option for investors wanting stability and liquidity.

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There's a good chance you've come across money market accounts when looking where to save your cash. Money market accounts are deposit accounts offered by banks that function similarly to savings accounts.

Money market funds are an entirely different animal, offering investors a low-risk place to grow their money in the stock market. Here's what you need to know about these investment accounts and whether they fit into your financial plan.

What are money market funds?

Money market funds are a type of fixed income mutual fund offering diversification, stability, security and high liquidity. Most notably, they're invested in the market.

Individuals usually consider money market funds as a place to park their cash for the short term because they have low levels of volatility (for being an investment product) and the funds can be easily accessed (generally the next business day).

Federal regulations require that money market funds invest in short-maturity, minimal-credit risk investments. Money market funds tend to earn slightly higher returns than you would get by putting your money in a savings or money market account. Investors can also count on having easy access to these funds if they need cash quickly (or if they simply want to shift that money to an investment that could generate higher returns).

Money market funds are typically categorized based on the type of mutual fund they invest in. The three main types of money market funds are

  • government money market funds
  • prime money market funds
  • municipal money market funds.

These mutual funds can be made up of debt-based and cash equivalent securities, city and government bonds, Treasury bills and CDs — all of which are low-risk investments. While income generated from government and prime money market funds is taxable, income from municipal money market funds can sometimes be tax-exempt.

Money market funds may offer relative stability and security as investments, but they're still some risk that you could lose some of your cash (as with any investment). Keep in mind that your money isn't protected like it traditionally is in a bank with FDIC insurance.

How to invest in a money market fund?

You can start investing in a money market fund through the big-name brokers. Setting up a brokerage account takes around 15 minutes and just requires you to input your typical personal information and fund the account.

Fidelity offers the three types of money market funds we outlined above, and you can use the platform's Mutual Fund Evaluator to compare all your options. There are many money market funds at Fidelity that don't require a minimum investment.

Fidelity Investments

  • Minimum deposit and balance

    Minimum deposit and balance requirements may vary depending on the investment vehicle selected. No minimum to open a Fidelity Go® account, but minimum $10 balance according to the investment strategy chosen

  • Fees

    Fees may vary depending on the investment vehicle selected. Zero commission fees for stock, ETF, options trades and some mutual funds; zero transaction fees for over 3,400 mutual funds; $0.65 per options contract. Fidelity Go® has no advisory fees for balances under $25,000 (0.35% per year for balances of $25,000 and over and this includes access to unlimited 1-on-1 coaching calls from a Fidelity advisor)

  • Bonus

    Find special offers here

  • Investment vehicles

    Robo-advisor: Fidelity Go® IRA: Traditional, Roth and Rollover IRAs Brokerage and trading: Fidelity Investments Trading Other: Fidelity Investments 529 College Savings; Fidelity HSA®

  • Investment options

    Stocks, bonds, ETFs, mutual funds, CDs, options and fractional shares

  • Educational resources

    Extensive tools and industry-leading, in-depth research from 20-plus independent providers

Terms apply.

Charles Schwab also offers government, prime and municipal money market funds —many with zero minimum investment required.

Charles Schwab

  • Minimum deposit and balance

    Minimum deposit and balance requirements may vary depending on the investment vehicle selected. No account minimum for active investing through Schwab One® Brokerage Account. Automated investing through Schwab Intelligent Portfolios® requires a $5,000 minimum deposit

  • Fees

    Fees may vary depending on the investment vehicle selected. Schwab One® Brokerage Account has no account fees, $0 commission fees for stock and ETF trades, $0 transaction fees for over 4,000 mutual funds and a $0.65 fee per options contract

  • Bonus

    None

  • Investment vehicles

    Robo-advisor: Schwab Intelligent Portfolios® and Schwab Intelligent Portfolios Premium™ IRA: Charles Schwab Traditional, Roth, Rollover, Inherited and Custodial IRAs; plus, a Personal Choice Retirement Account® (PCRA) Brokerage and trading: Schwab One® Brokerage Account, Brokerage Account + Specialized Platforms and Support for Trading, Schwab Global Account™ and Schwab Organization Account

  • Investment options

    Stocks, bonds, mutual funds, CDs and ETFs

  • Educational resources

    Extensive retirement planning tools

Terms apply.

No matter where you end up investing in a money market fund, know that you'll likely have to pay expense ratio fees (aka a management fee), which range from about 0.08% to 0.40%.

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Bottom line

Money market funds can be a solid choice for those who want a safer place to invest while earning a return better than they'd get with most deposit accounts. Just make sure you understand the risks inherent with any investment before including money market funds in your financial planning.

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Editorial Note: Opinions, analyses, reviews or recommendations expressed in this article are those of the Select editorial staff’s alone, and have not been reviewed, approved or otherwise endorsed by any third party.
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