There are more than 300 different thematic 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.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

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.

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.

The first US ETF was launched in 1993

Exchange-traded funds are relatively new inventions, and they've grown significantly in popularity during their few decades of existence. They were first created as an alternative to mutual funds. A colorful visualization depicts the entire history of ETFs.

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.

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.

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.

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.

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.

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).

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

Each category has even more varieties of funds to choose from, but the biggest differences between these groups are the types of securities they invest in, their risks, returns, and entrance requirements.

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.

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.

There are ETFs that track lawmakers' stock purchases

If you can’t get enough politics in your life, why not invest like a politician? Because members of Congress are required to disclose their stock purchases, you can do just that, and the NANC and KRUZ ETFs make it even easier. NANC, referencing Nancy Pelosi, holds a basket of stocks that Democratic politicians have purchased. KRUZ, referencing Ted Cruz, holds a basket of Republican-held stocks.

Alternative investments can include everything from cryptocurrency to fine art

The financial assets typically fall outside the scope of traditional investments like stocks and bonds, and they’re often intended to diversify investor portfolios.

Stock indexes track markets through groupings of companies

A stock index measures the performance of selected companies, offering a snapshot of market trends. Examples include the Dow Jones Industrial Average, the S&P 500, and the Nasdaq Composite.

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.

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.

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.

Real estate investment trusts help give portfolios more exposure to real estate

Also known as a REIT, a real estate investment trust is a type of company that invests in a portfolio of real estate, such as apartment buildings or malls. Investors can buy shares of the REIT to participate in its portfolio’s gains and losses.

Cathie Wood is one of the most famous modern figures in ETF investing

Cathie Wood is the fund manager and stock picker behind Ark Invest and its flagship Ark Innovation ETF. Her strategy centers around disruptive technology, and she’s made bold bets on cryptocurrency and companies like Tesla, Robinhood, and Nvidia. Wood has a loyal following of retail investors who watch her daily trades religiously.

Want to begin trading in cryptocurrency? Check out these exchanges

Explore the current cryptocurrency market. CoinMarketCap tracks 242 spot exchanges where various cryptocurrencies are traded. Newbie and experienced traders will find timely exchange ranks and scores charted according to traffic, liquidity, and trading volumes. CoinMarketCap promises legitimacy in all trading volumes reported.

40 key stock market terms, explained

Liquidity. Forex. Capitalization. Blue chip stocks. These are just a few pieces of stock market vocabulary most people who don't spend all day on a trading floor might not know. Thankfully, we found a fun infographic that makes it easier to learn what 40 key stock market terms mean and why each of them matters.

Top Ethereum dApps

Thousands of decentralized apps (dApps) run on Ethereum, including marketplaces, financial platforms, and social networks. Top apps include Uniswap, a decentralized exchange for buying and selling cryptocurrency, and OpenSea, the biggest marketplace for buying and selling non-fungible tokens (NFTs). New apps are built on Ethereum all the time, facilitating billions of dollars worth of transactions. Explore the biggest ones here.

Fantasy has dozens of subgenres

“Fantasy” itself is a rather broad way of characterizing fiction. The genre encompasses many subgenres, including epic (like JRR Tolkein’s “Lord of the Rings”), dark (like Neil Gaiman’s “Coraline”), or even superhero (like your favorite Marvel or DC comics).

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

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.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

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

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

A century of Billboard issues documenting the evolution of popular music.

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

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.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

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

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

Despite being favored by 87% of Americans, Congress does not have term limits.

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.

The 2026 Ebola outbreak in the DRC is spurring new Ebola vaccine development for the Bundibugyo species.

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.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.