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Term 716 of 1038
1 min readTwo voicesInvesting

Ponzi scheme.

A Ponzi scheme is a fraud that pays old investors with money from new investors instead of real profits, until it runs out of new money and collapses.
Verified June 2026 · Source: U.S. Securities and Exchange Commission
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Ponzi scheme
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In plain English

A Ponzi scheme is a fraud that pays old investors with money from new investors instead of real profits, until it runs out of new money and collapses. The person running it promises high returns with little or no risk and reports steady gains, but no real investing is happening behind the scenes. It is named after Charles Ponzi, who ran one in the 1920s. Because the early payouts look real, word spreads and more people put money in, which is exactly what keeps the fraud alive until new money stops coming.

Most useful ages
18 to 80

01Why it matters

When a Ponzi scheme collapses, most investors lose the money they put in, and the steady returns that looked safe were the warning sign all along.

02The math, step by step

An operator promises a guaranteed 12 percent return every year. When an early investor asks to cash out $5,000, that money does not come from profits. It comes straight from a newer investor's $5,000 deposit. As long as new deposits keep arriving, payouts continue. The moment new money slows, there is nothing left to pay anyone, and the scheme falls apart.

03What this is NOT

Do not confuse with Pyramid scheme

A Ponzi scheme is not the same as a pyramid scheme. In a Ponzi, one operator secretly moves money from new investors to old ones and claims to be investing it. In a pyramid scheme, each person openly recruits others to pay in, and the money flows up through the layers of recruits.

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The Decoderby ClearMoneySchool

Plain-English answers from our glossary. Receipts included. Never advice.

Educational tool. Answers come only from ClearMoneySchool's published glossary and are not advice. Why we never give advice

Last reviewed June 11, 2026 · Reviewer Joseph Citizen, Founder