Test your ETF knowledge

ETFs and mutual funds both pool money into a basket of investments—but the key difference between them is that mutual funds trade just once per day after the market closes, while ETFs trade like stocks throughout the day at fluctuating prices.

Explore a giant ETF database

Given that there are more than 3,000 ETFs trading in the US, the list of options for individual investors may be overwhelming. VettaFi provides a database that allows potential investors to sort funds by sector, region, strategy, fund issuers, and more. It tracks nearly 100 funds focused on general technology but just one that focuses on copper mining.

The pros of exchange-traded funds include ease of access through brokerage apps and retirement savings accounts

One unexpected perk is that ETFs are typically associated with lower capital gains tax requirements. Read this list to learn more about the benefits of investing in ETFs.

ETFs were first created as an alternative to mutual funds, combining the diversification benefits of a mutual fund with the ability to trade throughout the day on a stock exchange.

Explore a list of the world’s weirdest and wildest ETFs

Whether you’re leaping straight into the future and looking for stocks picked by AI, a sci-fi aficionado who wants to invest in space travel, or a drama enthusiast looking to make money on stock market volatility, the ETF market’s weird corners have something for you.

ETFs and mutual funds are both taxed on capital gains and on dividends.

Figure out what type of mutual fund is right for you with a tool that lets you compare different mutual funds, from rates to returns.

A bond ETF lets someone invest in multiple bonds through one single fund

There are risks, there are also major perks to buying a bond ETF, like the ability to purchase bonds on the stock market.

ETFs are rising in popularity

While less than half of retail investors hold ETFs in their portfolio, this figure is up dramatically in recent years, and experts forecast continued adoption as more options hit the market and total ETF assets under management continue to grow.

BlackRock says investor demand and improvements in underlying fund technology have supercharged ETF availability in 2025

Investors are likely most familiar with ETFs that invest in an index or other grouping of stocks. However, BlackRock breaks down a wide variety of options, including commodity ETFs, currency ETFs, and bond ETFs.

There are more than 300 different thematic ETFs

Exchange-traded funds seem to offer something for everyone. As tracked by ETF.com, there are 338 thematic ETFs, offering exposure to “baskets” of stocks covering global infrastructure, genomics, cannabis, and more.

Index funds are typically structured as either mutual funds or exchange-traded funds, but investors can manually recreate an index through 'direct indexing.'

See the top 100 ETFs by trading volume

This list grabs the top 100 by trading volume, or the average number of shares that have traded hands over a 3-month period. Top of the list is a semiconductor-focused fund from Direxion, followed by other tech-centric offerings.

Buffered ETFs are designed to protect investors from market downside while still providing exposure to upside

Investors typically hold them for a defined period before they “reset.” During periods of market volatility, buffered ETFs can seem particularly appealing.

Mutual fund investors typically must pay a variety of different types of taxes associated with their investment, unless the funds are within tax-advantaged accounts like a 401(k) or IRA.

Hear a finance professor answer questions about investing

From stocks and index funds to gold, a business professor at Duke University answers questions from the internet about investing.

Biotech ETFs allow investors to gain exposure to multiple promising companies in the industry

Biotech ETFs offer a diversified alternative to purchasing an individual biotech stock and gambling on whether an individual company’s clinical trial yields the next blockbuster cancer treatment or an absolute flop. This list of the top biotech ETFs in 2025 can help you learn more about them.

There are monthly dividend ETFs that pay you to hold them

Traditional dividend stocks and funds pay out quarterly, or four times a year. A select group of stocks and funds pay out monthly, putting cash in investors’ hands 12 times a year. These monthly dividend funds are popular because their regular payouts can help keep budgets on track.

Mutual funds are categorized as stock, bond, money market, and target-date funds.

Mutual fund share classes are rankings of different types of services for investors.

The total cost of owning an ETF is the sum of the holding costs and the transaction costs

Holding costs include things like the expense ratio, or the annual fee that a fund issuer charges. Transaction costs include things like brokerage commissions, or the fee that a broker charges to enact a trade. However, in recent years, most brokers have essentially eliminated commissions on ETF trading.

Explore a step-by-step guide for getting started as a retail investor

Instead of purchasing individual stocks and bonds, new investors may want to start in funds that track an index—like the S&P 500—or that hold a group of themed stocks.

Play a game that reveals if investors with a crystal ball make better trades

The "crystal ball" game reveals how well you would do trading stocks and bonds if you could see the front page of the Wall Street Journal one day in advance.

Look inside a retail investor's portfolio

Online investing platform eToro conducted a survey of retail investors in June 2024. It explored what assets they held and what types of stocks they liked to purchase. The most commonly held asset was cash, with 76% of retail investors holding cash in their portfolios. The next most popular asset was domestic stocks, with 49% of investors.

Investing in mutual funds can give you access to a wide range of securities, such as stocks and bonds, with just a single investment.

Learn how to invest in index funds with this step-by-step guide.

How mutual funds work

Mutual funds function similarly to other types of investments. If you want to invest, you go through a brokerage firm. However, they have a few key differentiators. Most are actively managed by a broker instead of passively earning you returns. Plus, they can carry some hefty fees.

Learn about the essential Securities and Exchange Commission filing types, including S-1, 10K, 10Q, and 8-K.

The SEC recently approved bitcoin ETFs in landmark investing decision

In January 2024, the US Securities and Exchange Commission made history when it decided to allow fund issuers to launch bitcoin ETFs. This new class of exchange-traded fund tracks spot bitcoin prices, essentially allowing investors to hold bitcoin without actually having to buy the crypto.

Meet the ‘SPY kids’ tied to Wall Street’s first ETF

When SPY became the first ETF to launch in 1993, regulators wanted its issuers to set a termination date. After initially saying the fund would cease to exist in 25 years, its issuers came up with a different strategy. They named 11 children born between 1990 and 1993 and declared that the fund would cease to exist in 2118, or 20 years after the last of the 11 “SPY kids” died. The kicker? According to Bloomberg, none of the children knew they were connected to the fate of this giant fund.

Read about the pros and cons of mutual funds.

Mutual funds in seven broad categories averaged a 13.1% annual return in 2023.

The SPDR S&P 500 ETF is one of the most highly traded funds on the market

State Street, a popular ETF issuer, is responsible for the SPDR S&P 500 ETF. This fund trades under the SPY ticker, and State Street maintains a web page with key facts and figures on SPY. For instance, its expense ratio is 0.0945%, or $9.45 on an initial $10K investment.

Mutual funds pool money to create larger investment opportunities with higher returns for anyone who initially invests in the fund.

Contrary to popular belief, random investments can outperform managed funds.

Mutual funds come with a few associated fees.

Learn how to build a retail investing toolkit

Retail investors may not have the same resources institutional players do, but thanks to the internet, they can access several free tools that provide a leg up. These tools do everything from recommending portfolio allocations to helping investors screen stocks.

Leveraged ETFs made headlines in 2026 as a boom in single-stock leveraged products tied to AI companies drove volatility and record retail demand.

Listen to a podcast that answers common questions about alternative investments

This podcast episode starts with an explanation of what alternative investments are, then goes on to explain how people use them to diversify their financial portfolios and answer some common questions about alternative investments. Notably, the host interviews a certified financial planner about the topic.

Five mistakes experts see people make with 529 plans

In this podcast, financial experts review the top five mistakes investors make when it comes to this education investment vehicle. Some mistakes are true for all investments, such as periodically checking for new rules and regulations. Others focus on 529 plans and how to get the most out of them.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public

A prospectus typically contains information about the company's operations, including details about its management team and their compensation, financial statements, how it intends to use any capital raised by the IPO, and more. While these documents can be dense and lengthy, experts say that some of the most important sections of a prospectus for investors to look at include the risk factors section and the use of proceeds section.

In the early 2000s, Warren Buffett invested $1M in an index fund to show that passively managed investments would outperform hedge funds—making the point that actively managed funds are not worth the management fees they charge.

About 30% of financial advisors opted for fixed and indexed annuities in 2023

An infographic that shows the most common types of investments used by financial advisors with their clients in 2023 also found that nine in 10 advisors used ETFs, and three-quarters invested in cash and cash equivalents.

'The stock market' can be loosely defined as a set of exchanges and other places where shares of public companies are bought and sold.

Explore a list of the world's largest mutual funds.

Retail investors can get exposure to commodities via various financial vehicles

While retail investors likely won't go out and purchase a bushel of commodity wheat to trade, they can get exposure to the commodities market via commodity ETFs sold on traditional stock exchanges like the NYSE and Nasdaq and other financial vehicles. There are benefits to adding commodities to a retail investor portfolio (such as a hedge against inflation and a typically low correlation with more traditional asset prices), experts caution that commodities are usually volatile investments.

An expense ratio represents the cost to own an ETF over the course of the year

For instance, an expense ratio of 0.5% would add a cost of $50 on an investment of $10K. And while expense ratios have on average decreased in recent years, a particularly hefty fee can still eat into total profits.

Investors rely on the S&P 500 as a benchmark for the state of the economy

Since the index represents a broad range of diverse industries, it's become a proxy for the market itself and a common benchmark for investors to compare returns and performance patterns against. Generally speaking, when someone says a stock is under- or out-performing the market, that actually means under- or out-performing the S&P 500. The S&P 500 is exchange-agnostic, and includes companies listed on both the NYSE and Nasdaq.

Retail investors cannot directly invest in private credit funds—but other financial vehicles can offer exposure to the industry

For example, as some US regulations have loosened in recent years, retail investors have begun to get exposure to the private credit market via ETFs that invest in publicly traded financial vehicles with private credit exposure, such as BDCs.

Hedge funds make money from imposing steep fees on investors, as well as from investment performance

Hedge funds often operate on a "2 and 20" model: Investors pay fund managers a 2% management fee, and the hedge fund keeps 20% of their profits. (The 2% is imposed annually, irrespective of performance.) Hedge funds are known for chasing big returns—and taking big risks to get them. This explainer not only breaks down how they work in detail, but also the strategy first introduced in 1949 that still shapes hedge fund investing today.