The first US ETF was launched in 1993

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.

Mutual funds were first created and sold in the US in 1924

Mutual funds were created in 1924, became popular in the '80s and '90s when investors saw a better payoff. Since then, they’ve evolved to be one of the most popular investment options today.

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 vs. mutual funds: Which are better investments?

Exchange-traded funds and mutual funds have many similarities. They both invest in multiple companies under one fund and trade using the same securities (such as stocks and bonds). However, they have distinct differences—such as fees and management style—that can impact your bank account in the long term.

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.

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.

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.

Key moments in fintech history include the transatlantic cable’s invention and E-Trade’s founding

Founded in 1982, E-Trade was the first-ever online brokerage, pioneering a method of investing that is common today. Its story is part of a timeline that the New York Times put together of key moments in early fintech history.

The first US stock exchange dates back to the 1790s in Philadelphia

Only two years after that stock exchange in Philadelphia started, the largest stock exchange in the US to date was created: the New York Stock Exchange.

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.

Test your ETF knowledge

A 10-question quiz from the SEC allows investors to test their basic knowledge about exchange-traded funds and their investing counterparts, mutual funds. Here’s a sample question: Is the past performance of a fund a good indicator of future results? (Hint, the answer is no).

The process of electronic funds transfer was approved in the US in 1978

An electronic funds transfer is the transfering of money from one bank account to another via computer-based systems. When it was first introduced, it was revolutionary. A video from 1980 aimed to explain the value of electronic funds transfer to consumers at the time.

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.

Explore an alternative investments timeline

From what’s known as the first leveraged buyout, when JPMorgan acquired the Carnegie Steel Company, to the creation of the first-ever hedge fund, alternative investments have a long history.

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.

Roth IRAs were first introduced in the Taxpayer Relief Act of 1997

The Roth IRA is one of the most popular retirement accounts in the US. Nearly a quarter of Americans contributed to a Roth IRA in 2023. But this type of financial account hasn’t been around for that long.

The first stablecoin pegged to the US dollar launched in 2014

That coin was Tether, also known as USDT. Other key dates in stablecoin history include Circle's launch of USDC in 2018, and, more recently, President Donald Trump's signing of the GENIUS Act in 2025.

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.

The number of publicly traded companies has decreased in recent years

In 1996, more than 7,300 companies traded publicly on US stock markets, but that number has recently dropped to 4,300. Economists point to two reasons: First, going public requires full disclosure of operations, exposing it to scrutiny from investors, competitors, and analysts. Second, the IPO process is expensive and time-consuming.

Visualizing the world's $261T in investable assets

Nearly half of the world's portfolio of stocks and bonds originate in the US. Roughly 1% of all investable assets are in the form of cryptocurrency.

Capital gains taxes were first levied in the US in 1913

However, up until 1921, they were treated the same as ordinary income. Ever since then, rates have swung up and down.

Investors collectively own $28T in US Treasury securities

The 10-year Treasury yield is a central measure of the health of the economy, shaping how much both the government pays on its debt and the cost of borrowing for the private sector. This explainer provides stats and explainers on the important metric.

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

Over-the-counter markets are used to bypass traditional exchanges while trading

Commodities are regularly traded via OTC markets so that buyers and sellers can bypass central exchanges and negotiate terms more directly. Before the advent of formal exchanges, most assets were traded OTC.

Dividends are payments made by a corporation to its shareholders

From the Dutch East India Company paying out the first dividends over 400 years ago to the word “dividend’s” ancient Latin roots, Dividend.com has a full explainer of this investing perk and how individuals can earn income while holding dividend-paying stocks or ETFs.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

11 people died from firework injuries in the US in 2024.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

When a Paris department store hesitated to sell Estée Lauder's perfume, she 'accidentally' broke a bottle, causing the smell to spread throughout the store and shoppers to start asking to buy the scent.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

See the evolution of Ebola vaccine and treatment development.

Telehealth demand for GLP-1s for weight loss is booming as consumers seek easier access.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

The Beatles' US label rejected the band's first two singles, 'Please Please Me' and 'From Me to You,' with one executive calling the band 'dead in the water.'

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.