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

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.

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 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.

The stock market's volatility between 2017 and 2025, visualized

The CBOE Volatility Index measures expected stock market volatility using the prices of options on the S&P 500. When traders expect large moves in the market, options prices tend to rise as more options are purchased to bet on the direction of the move.

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).

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

A "long" position gains from an increase in a security's price, whereas a "short" position profits from a price drop. This article includes a detailed explanation of the term "position" as it relates to investing and financial markets.

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

Open-end funds are able to create new shares on a daily basis, while closed-end funds have a set number of shares. This impacts the way shares are traded on the open market, and the way they’re priced.

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.

How mutual funds work

Investing in mutual funds can give you access to a wide range of securities, such as stocks and bonds, with just a single investment. Mutual funds are one of today's most common investment options. There are different types of mutual funds, such as stock, bond, money market, and target-date funds.

Stock buybacks are when a company purchases some of its own shares of stock

This reduces the number of shares on the market and, therefore, makes the remaining shares more valuable. Buybacks have received a lot of criticism in recent years for many reasons, such as how they could artificially inflate share prices.

Futures contracts are agreements to buy or sell a standardized asset at a specific future time

When it comes to commodity trading, these legally binding agreements tend to operate on a monthly basis. Futures contracts are typically traded on futures exchanges, like those operated by CME Group and the Intercontinental Exchange.

Securities is a term used to describe different types of investments

Not every type of investment qualifies as a security (like property or gold). Securities fall under four main categories (equity, debt, derivative, and hybrid) that serve different functions in the market.

The prices on prediction markets reflect how the collective forecasts future outcomes

On prediction markets, bettors bid up or down the price of contracts based on what they expect an event's outcome to be. Bettors bid up prices when they think an event is more likely to occur than the current contract price shows, so they buy the contracts, pushing the price higher. They bid down prices by selling these contracts when they believe an event is less likely to occur, driving the price down due to supply and demand.

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.

Dual-class stock structures separate equity and decision-making authority

In the past few decades, dual-class stock structures have become an increasingly popular way for companies to raise capital in public markets without allocating traditional shareholder voting rights. Meta, Estée Lauder, and The New York Times are companies that are famously dual-class.

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.

Convertible notes represent loans that startups owe investors

In the second part of a two-part series, convertible notes are explained to be a tool angel investors use to ensure they see a return on their investment in a startup.

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.

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.

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.

Find out how companies decide which stock exchange to list on

Tech companies often prefer to list on the tech-focused Nasdaq, whereas more traditional organizations opt for the New York Stock Exchange. Sometimes the choice is made partly based on the services an exchange offers a company.

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.

Breaking down the jargon and strategy of horse betting

Placing bets on horse racing isn't the same as a football or basketball game. You can pick a winner (win), who will come in second (place), and even third (show). And all the bets placed on a race are pooled together and divided among the winners. This Top Ten Picks video teaches the mechanics behind each bet, and shares insider tips that can lead to more informed betting choices.

The Reddit forum r/WallStreetBets is a place to discuss high-risk trading strategies

r/WallStreetBets is a forum (aka a “subreddit”) on the social media platform Reddit that was started in 2012. Later, r/WallStreetBets evolved into a place where unconventional investment approaches were not just tolerated, but planned and celebrated. It’s perhaps most famous for its role in the GameStop saga.

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.

Companies pay multiple fees as part of the IPO process

When a company decides to approach IPO, it typically hires investment bankers—who earn about 7% of the IPO’s gross proceeds—to help set the organization’s target valuation range and schedule an IPO date. But that isn't the only fee associated with the IPO process.

About 98% of companies offering employees a 401(k) plan match employee contributions

Broadly speaking, an employer 401(k) match means that if you invest money into your 401(k), your employer will put cash in, too. But these programs are often fairly nuanced.

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.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

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

Play the role of a student in a game where you try to navigate college and remain debt-free, selecting different income levels, high school experience, race, ethnicity, and more.

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

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

Shooting stars, or meteors, are fragments of asteroids and comets that burn up as they enter Earth's atmosphere, creating streaks in the sky called meteor showers.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Animal phobias are likely the most common type of phobias, followed by an extreme fear of heights.

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

Coral polyps reproduce via broadcast spawning, where entire reefs simultaneously release reproductive cells for about one hour, once a year.

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

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

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.'

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.