Buying On Margin Great Depression -

The tragedy of buying on margin was that it didn't just ruin the speculators; it broke the banking system.

Brokers had borrowed the money they lent to investors from commercial banks. When investors defaulted on their margin loans, the brokers couldn't pay back the banks. When the banks lost that money, they couldn't fulfill withdrawals for ordinary citizens who had never bought a single share of stock. This led to bank runs, the closing of thousands of financial institutions, and a complete freeze on credit that paralyzed the American economy for a decade. The Legacy: Regulation and Caution

A buyer could purchase a stock by putting down only of the total price in cash. The broker would cover the remaining 80% to 90%, charging interest on the loan. For example, if you wanted $1,000 worth of stock in a booming radio company, you only needed $100 of your own money. buying on margin great depression

If the stock price doubled to $2,000, you could sell it, pay back the $900 loan, and walk away with $1,100—nearly a on your initial $100 investment. This "leverage" turned modest savings into overnight fortunes, creating a feedback loop where rising prices attracted more margin buyers, pushing prices even higher. The Rise of the Speculative Bubble

A margin call occurs when the value of a stock drops below a certain point. To protect their loan, the broker demands that the investor immediately deposit more cash or sell the stock to cover the debt. The tragedy of buying on margin was that

The Great Depression taught a brutal lesson about the dangers of unregulated leverage. In the aftermath, the U.S. government passed the , giving the Federal Reserve the power to set margin requirements. Today, investors generally must put down at least 50% of a stock's price, a far cry from the 10% "easy money" of the 1920s.

In the 1920s, the stock market wasn't just for the elite; it was a national pastime. To make entry easier, brokers offered "margin loans." Here is how the math worked: When the banks lost that money, they couldn't

People weren't buying stocks because the companies were profitable; they were buying because they expected the price to go up tomorrow. This is the definition of a speculative bubble. As long as prices climbed, the system held. But margin buying has a "trap door" called the The Trap Door: The Margin Call