A 'position' in financial markets refers to the amount of a security or asset that an investor owns or sells short

Many hedge funds use short selling as an alternative investment strategy to offset risk

Hedge funds typically use a "long-short" investment strategy—where funds diversify by investing in a mix of long positions and short positions—to balance risk and maximize profits. Including short positions gives hedge funds some protection against downturns in the market, although the strategy can have uncapped losses for investors.

Shorting is a high-risk and expensive investment strategy that hedge funds specialize in

Most investors buy stocks with the expectation that those stocks will be worth more tomorrow than they are today. Short selling, known as “shorting,” a stock is the opposite: The investor is betting the stock will drop in value.

Investors need a 'margin account' to short sell stock

Margin accounts are leveraged accounts through brokerage firms that allow investors to make trades without the full amount of capital on hand. Similar to a secured loan, margin accounts often require some form of collateral and typically have a cap on how much investors can borrow. However, trading with a margin account is much riskier than a traditional investment account. Fees and charged interest are due on margin accounts, regardless of trade performance, meaning it's possible for investors to lose more money than just their initial investment.

The term 'securities' refers to different types of investments, such as stocks or bonds.

Some experts and investors think short selling—a strategy in which investors bet that a stock will drop in value—helps keep the market healthy.

How to put on a hedge

These days, hedging your portfolio isn’t just for hedge fund managers. An explainer from Robinhood delves into what a hedged position actually is, why traders put on hedges, and how you, too, can work to guard your holdings against a market downturn. The idea is to derive gains from your portfolio when markets are trending up, down, or sideways.

Asset location is the type of account an asset is placed in

Investors are likely familiar with “asset allocation,” creating an ideal mix of different asset types in an individual's portfolio. But asset location matters just as much for investors who are conscious of how much they owe in capital gains taxes.

In 2012, Bill Ackman's hedge fund, Pershing Square, took a $1B short position against supplement company Herbalife after discovering that 82% of the company's distributors never made a profit, calling it a true pyramid scheme.

Spot markets are where commodities intended for relatively immediate delivery are traded

Spot markets are where physical securities are exchanged for cash. Also known as cash markets or physical markets, the trades are relatively immediate—both parties agree to an immediate transfer. Currencies and securities can also be traded on spot markets.

Read about why bans on short selling are a controversial policy

Generally, short selling is legal, but regulations often restrict short positions when a stock has experienced a sharp price decline (more than 10% in one day). However, negative feedback loops in times of financial crisis have given short selling a bad reputation. The government has temporarily banned short selling during previous market downturns—like The Great Recession of 2008 and the early months of the COVID-19 pandemic—but experts argue whether those bans actually improved market stability or just distorted prices.

Retail investors are getting burned by long/short strategies

In the US, many retail investors lack the SEC-mandated status (a high enough net worth, income, and other factors) to directly invest in hedge funds. The regulator considers hedge funds too risky for the masses. Hedge fund-like strategies have emerged as a workaround, despite potential pitfalls.

A short squeeze happens when short sellers increase stock prices by buying shares back quickly

When short sellers realize their positions may be incorrect—usually triggered by increasing share prices—they often try to quickly buy back their shares in order to minimize their total losses. When this happens on a large scale, that buying activity can drastically increase to represent the seemingly high demand for that stock. The result is called a "short squeeze," which refers to short sellers literally being squeezed out of their positions by rising prices.

The bond market is where bonds and other debt securities are traded

Bonds are fixed-income investments allowing individuals to lend a specific amount of money to a large entity, like a government or corporation, for a set amount of time in return for interest paid out over the life of the loan. The bond market is widely considered a key economic barometer.

Shares are parts of a stock that represent ownership of a company

Shares are traded on the stock market. Once you buy a single share of a company, you are considered a shareholder of that company and may have certain rights as a partial owner, such as voting on business decisions.

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

Stock options give investors the right to buy or sell a stock at an agreed-upon price and date

There are two types of options: calls, which are bets that a stock will rise (or not rise past a certain point), and puts, bets that a stock will fall (or not fall past a specific level). While stock options give investors the right to do these trades, they do not obligate buyers to follow through with them—sellers, on the other hand, must perform the option if it is exercised

The difference between stocks and bonds

While more people invest in stocks than bonds, experts say owning both can make for a healthier portfolio. Stocks are considered a riskier investment than bonds, but tend to have higher returns. While bonds might be the safer option, they won’t grow your wealth as quickly.

How did the bull and bear markets get their names?

The terms "bull" and "bear" are used to describe certain sentiments or activities in the financial markets. A bear market refers to declining stock prices and pessimistic outlooks, whereas a bull market represents the opposite.

Retail investors are individuals who trade stock for themselves

Institutional investors, on the other hand, are investing for someone else. There are big differences between the two, one being that institutional investors can be granted certain special treatment (like being able to purchase IPOs right away).

Call options 101

A call option is a contract that gives the option buyer the right to buy an underlying asset at a specified price within a specific time period. A call buyer profits when the underlying asset increases in price. Learn more about the financial contract and how you can use it in this article.

A margin call is a way for traders to pay off debts by selling a security before they may be ready to do so.

The 'commodities' investment category includes livestock, oil, wheat, and more

Commodities traders look at all of these things as assets, placing short-, medium-, and long-term wagers on how much each is really worth. Commodities are valuable in part due to how essential they are in creating most of the world's marketable goods.

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.

Capital assets include investments from stocks to fine jewelry

Capital assets can be classified as property owned and used for personal or investment reasons. If a capital asset grows in value and the holder decides to sell it, their “capital gains” would be roughly the difference between the original purchase price and the amount of money they sold the asset for.

Mutual funds invest in multiple different companies with money from many investors, while an individual stock represents ownership in a single company and is bought by individual investors.

'Buying the dip' refers to purchasing stocks or ETFs after a price decline in anticipation of a rebound

Some investors see it as getting a discount before the market recovers and the temporary declines turn into gains.

Prediction markets and sports betting are not forms of investing, despite how some fans portray them.

Active investors try to 'beat' the stock market's performance

There are two primary types of investment strategies that professional investors use: active investing and passive investing. While active investors try to "beat" the stock market's performance, passive investors have a bit more faith in the system.

Tranches slice financial products into segments

Specifically, tranches are slices of securities (think: bonds or mortgages) divided by risk and characteristics to attract different investors with a variety of risk tolerances.

Tesla short sellers benefited from the company's poor performance in 2025

Tesla was widely considered the most-shorted stock until 2024, despite consistent short-seller losses. Between 2016 and 2020, short sellers reportedly lost more than $11B as Tesla's stock price continued climbing. However, long-held short positions began paying out in 2025 as Musk's foray into politics and his eventual feud with President Trump hurt Tesla's stock performance. In 2025, Tesla short sellers made more than $10B.

Long- and short-term capital gains have different tax implications

Short-term gains (assets held for one year or less) are taxed like regular income, at rates up to 37%. Meanwhile, long-term gains (assets held over a year) are capped at 20%, offering significant savings for high earners.

Commodity traders are most commonly 'hedgers' or 'speculators'

While hedgers often produce and consume physical commodities (like corn, copper, or natural gas) and use the markets to manage the price risk for those commodities, speculators provide liquidity by betting on commodity price changes.

Open-end and closed-end mutual funds differ in how they create and distribute shares.

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

There are three main ways to start investing in the bond market

Invest in the boind market through a brokerage, mutual fund or ETF, or the US government. Each has different steps and terms to follow, from starting rates to opening specific accounts. Some bonds are relatively easy to purchase, but the process differs depending on the type of bond you want.

Investors can buy three main types of bonds: government, corporate, and municipal

Each type has variations of its bond offerings with different interest rates, loan lengths, maturity dates, and terms. Each type also carries its own risks and rewards.

Insider trading is the practice of trading a company's securities based on material, nonpublic information.

Compounding, explained

During conversations about personal finance, the term "compounding" gets thrown around—but not everyone understands how compound interest and compound returns work. Broadly speaking, compounding is what happens when you not only earn returns or interest on your original investment, but also on the accumulated returns or interest you receive over time. This article explains how both of these processes function, and what compounding could mean for your wallet.

What's the difference between a stock and a share?

While the words "stock" and "share" are often used interchangeably in casual conversation, they have different meanings. For instance, "stock" is more general, whereas "share" is more precise.

The stock market, explained in 3 minutes

The stock market consists of a set of exchanges and other venues where shares of public companies are bought and sold. The Nasdaq and the New York Stock Exchange are two of the most well-known exchanges in the US, while major exchanges also operate around the world, including in Tokyo, Shanghai, London, and São Paulo.

Companies often use different share classes, like Class A or Class B, to structure ownership

Share classes refer to specific types of company stock that are distinguished by the rights they grant, such as voting power and dividend access.

Retail investors are average joes, while institutional investors often move billions of dollars a day

Retail investors often trade 100 shares at a time, while institutional investors trade 10,000 or more. The biggest difference is that, unlike retail investors, institutional investors are professionals who are trading someone else’s money.

Bear raiding is a manipulative tactic to bring a stock price down—and part of why short selling can be controversial

Bear raids occur when short sellers use manipulative tactics—like spreading false rumors or coordinating trades—to artificially drive down a stock's price and profit from short positions. Although bear raids are an illegal form of market manipulation, they can spook investors, prompting large selloffs of shares and causing a company's value to plummet. As a result, investors may be hesitant to invest in the company in the future, creating a feedback loop of stock downturn.

Mortgages are loans used to buy property

A mortgage is a loan used to buy property, like a house. Borrowers typically put down a percentage of the cost of the home, and the amount left over is financed through a lender, like a bank.

Why does the stock market matter?

Open any newspaper, turn on your local TV news station, or listen to a daily business radio segment, and you’re bound to hear about how the stock market is performing. Netflix created a 17-minute (free) explainer that dives deep into the nitty-gritty of how we got here.

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

Value investing seeks to buy stocks trading below their intrinsic worth

Value investing specifically focuses on fundamentals like earnings, assets, and price-to-earnings ratios. In contrast, growth investing targets companies with rapid future potential, often trading at higher valuations. Both strategies offer unique paths to returns.

Companies go public via an initial public offering (IPO) to raise large amounts of capital, helping them expand, invest in new ventures, hire more staff, or pay off debts.

How prediction markets differ from sportsbooks matters for regulation

There are a number of differences and similarities between sportsbooks and prediction markets, despite both allowing people to bet on outcomes for sports-related events. For instance, prediction markets typically earn revenue through transaction fees rather than taking directional exposure to outcomes.

While day trading has risen in popularity in recent years, the SEC warns it is a speculative strategy that can cause big losses

A day trader is anyone who buys and sells a stock within the same trading day. They quickly move in and out of the market to try and profit. Some day traders are professionals, while others are retail investors.