LemonTrades
TL;DR
- Hyperinflation is prices rising more than 50% a month, about 13,000% a year. It’s rare and almost always comes from printing money to pay a government’s bills.
- The worst case: Hungary in July 1946, when prices doubled about every 15 hours.
- US inflation is 3.7%: high for the Fed, nowhere near hyperinflation. The US peak since 1913 was about 24%, in 1920.
- LemonTrades warns you before every CPI report and tells you what it did to gold, the dollar and stocks a minute after.
Inflation means prices are rising. Hyperinflation means money is dying: prices rise so fast that people spend their pay the hour they get it. Here’s what it is and how it happens.
What is hyperinflation?
The standard definition comes from the economist Phillip Cagan, who in 1956 set the line at prices rising more than 50% in a month. Compounded over a year, that’s about 13,000%. The episode ends when monthly inflation falls back below 50% and stays there.
For scale: at 50% a month, something that costs $100 in January costs about $13,000 by the next January.
What causes hyperinflation?
- Printing money to pay the bills. A government that can’t tax or borrow enough has its central bank create money to cover spending.
- A collapse in output. War, revolution or the loss of key industries means fewer goods for more money to chase.
- Debts in a foreign currency, like war reparations or dollar loans, that can’t be repaid by printing.
- A loss of trust. Once people expect prices to rise, they spend money as fast as they can, which speeds it up.
The worst hyperinflations in history
| Country | Peak month | Prices doubled every |
|---|---|---|
| Hungary | July 1946 | 15 hours |
| Zimbabwe | November 2008 | 25 hours |
| Yugoslavia | January 1994 | 1.4 days |
| Germany (Weimar) | October 1923 | 3.7 days |
Doubling times from Steve Hanke and Nicholas Krus’s table of world hyperinflations. In Zimbabwe, monthly inflation reached about 79.6 billion percent, and the country printed a 100-trillion-dollar note. Venezuela suffered hyperinflation from about 2016 into the early 2020s.
Could the US get hyperinflation?
It would take a collapse in trust in the dollar that hasn’t come close to happening. US consumer prices rose 3.7% in the year to September 2026. The highest US inflation since records began in 1913 was about 24% in mid-1920; the 1970s peak was 14.8% in March 1980, and the 2022 peak was 9.1%. The US borrows in its own currency, and the Fed has raised rates to fight inflation, both in 2022 and again in September 2026. You can see what a dollar from any year is worth today with the CPI inflation calculator.
What holds value in hyperinflation
In every hyperinflation, people fled the local currency for things whose supply the government can’t print: foreign currency (usually dollars), gold, land and goods. Gold’s price in German marks rose roughly a trillion-fold from 1914 to late 1923, while its price in dollars barely changed. That’s the case for gold as a store of value, though over shorter stretches gold can fall even when inflation is high. See gold vs bonds and what CPI does to markets.
Sources
- Cato Institute: World Hyperinflations (Hanke and Krus)
- BLS: Consumer Price Index
- Wikipedia: Hyperinflation in the Weimar Republic
Education, not financial advice. See our disclaimer.
