edgi

InvestmentPutting money to work to generate returns

An investment is the commitment of money or resources into an asset with the goal of gaining more money or value over time. Instead of trading hours for wages, an investor acquires assets such as stocks, bonds, or real estate that generate returns through price increases or periodic income. A genuine investment creates real economic value, setting it apart from schemes that merely shuffle money between participants.

By the edgi team We find the most surprising true thing about an idea and build a 60-second lesson around it.

Investment lesson Play the 60-second lessonSome things pay you while you own them, like apples, rent and profits. Others pay only if someone buys them for more.

Hiring your money

Most people spend their lives trading hours for dollars. That is a linear, limited path. Investing is the act of buying an asset, a stock, a bond, or real estate, and hiring it to do the work you no longer want to do.

Black and white poster promoting the Industrial Workers of the World (IWW) campaign for the eight-hour workday in 1912. The poster features two clock faces, one showing "WORK FROM 8 TO 12 IN THE FORENOON" and the other "AND FROM 1 TO 5 IN THE AFTER NOON," with text stating "ALL WILL HAVE WORK SHORT HOURS" and "WAGES WILL GO UP LONG WAGES EIGHT HOURS WORK I.W.W."
Black and white poster promoting the Industrial Workers of the World (IWW) campaign for the eight-hour workday in 1912. Unknown authorUnknown author, Public domain, via Wikimedia Commons

The ponzi trap

In 1920, Charles Ponzi promised investors a 50% return in just 45 days. He claimed to exploit international postal coupons. In reality, he was just using new investors' cash to pay off the old ones.

Black and white photograph of Charles Ponzi, taken in 1920. He is seated at a desk, wearing a suit and tie, holding a pen and looking down at papers.
Black and white photograph of Charles Ponzi, taken in 1920. Boston Library (NYT); en.wikipedia.org, Public domain, via Wikimedia Commons

That is the difference between an investment and a scam: a real investment creates value, while a scam just moves money around.

The engine room

To make this work, you must manage the risk–return spectrum. Through asset allocation, you spread your resources across different vehicles.

A diagram illustrating the four elements of risk management as a continuous, interlocked process. The four interconnected circles are labeled "Plan (What, when, how)", "Assess (Identify and analyze)", "Handle (Mitigate the risk)", and "Monitor and Report (Know what's happening)", arranged in a circular flow with arrows indicating a continuous cycle.
A diagram illustrating the four elements of risk management as a continuous, interlocked process. Defense Acquisition University, Public domain, via Wikimedia Commons

Reinvest what they earn, and your path bends from a linear salary into the exponential curve of compound growth.

How do investment returns and risks work?

In finance, the purpose of investing is to generate a return on the invested asset. That return comes in two primary forms: periodic income (such as dividends from stocks, interest from bonds, or rental income from real estate) and capital gains, which are profits made when an asset is sold for more than its purchase price. If the asset gains value but remains unsold, that profit is considered an unrealised capital gain.

A "Dollar-Cost Averaging Method of Investment Balance Accumulation Graph" plots investment growth over 40 years. The X-axis represents time in years (0 yr to 40 yr), and the Y-axis represents accumulated balance from $0 to $3.0M, showing "Start Principal" (blue), "Interest" (orange), and "End Balance" (green) curves, with an ending balance of $2,797,803.70 at 40 years.
This chart illustrates how consistent monthly contributions can grow into over $2.5 million through long-term compound growth. CC BY-SA 4.0, via Wikimedia Commons

Returns are directly tied to risk. Low-risk assets, such as government bonds or standard cash holdings, generally produce modest returns, while higher-risk assets offer the potential for larger gains alongside the risk of steep losses. In biotechnology, for instance, roughly 90% of researched products fail to reach the market because developing a single drug requires about 10 years and $2.5 billion. Investors reduce overall risk through diversification, which means spreading capital across different assets rather than concentrating it in one place.

What are the main types of investments?

Traditional financial investments include stocks, which represent equity ownership in publicly traded companies; bonds, which are loans issued to governments or businesses; cash held in specific currencies; and real estate held for rent or resale.

Beyond traditional assets, alternative investments include private equity, agricultural commodities like potatoes, energy supplies like natural gas, precious metals like gold, collectibles such as vintage cars or art, and digital assets like cryptocurrency. Sophisticated investors also trade derivatives, which are financial contracts such as futures or options whose values depend on the performance of underlying assets.

Where did modern investing begin?

While historical investment codes date back to 1700 BCE in the Code of Hammurabi, modern investing emerged in the 17th century through maritime trade. Dangerous voyages to Asia prompted British, Dutch, and French ship owners to seek outside backers to finance expeditions in exchange for a share of travel profits.

In 1602, the founding of the Verenigde Oost-Indische Compagnie created the first publicly traded company and established the Amsterdam Stock Exchange. In America, organized trading formally began on May 17, 1792, with the signing of the Buttonwood Agreement, expanding from trading Alexander Hamilton's Revolutionary War bonds to over 300 stocks and bonds by the end of the Civil War in 1865.

Test yourself

What fundamentally separates a legitimate investment from a Ponzi scheme?

Real investments create economic value. A genuine investment generates new value through productive assets or businesses, whereas a scam merely redistributes cash from newer participants to older ones.

Is a Ponzi scheme an investment because it returns capital to early investors?

False. An investment requires the creation of actual value, whereas a Ponzi scheme merely redistributes money from new participants to existing ones without generating any underlying gain.

An investment always guarantees a positive return as long as the resources are committed for more than one year.

False. Investing involves risk, meaning there is no guarantee that value will increase regardless of the time horizon.

Collectible card

Claim the Investment card

Play the lesson in edgi and the card is yours. It lands on your Map next to the ideas it connects to, and turns from matte to foil to gold as you learn more around it.

Questions people ask

How does investing differ from arbitrage?

Investment requires committing capital and accepting the risk of financial loss. Arbitrage generates profit without committing capital or bearing risk.

What is value investing?

Value investing is a strategy where an investor analyzes company financial reports and accounting ratios, such as earnings per share, to buy assets priced below their actual worth.

What is short selling?

Short selling is an investment strategy that typically uses borrowed money and derivatives to profit from the decline in a stock's price.

Where this leads