The 1920s, often called the "Roaring Twenties," was a decade defined by jazz, rapid industrialization, and an almost religious faith in the American stock market. For the first time in history, the average citizen felt the lure of Wall Street. However, this era of unprecedented prosperity was built on a fragile foundation:
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
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 The 1920s, often called the "Roaring Twenties," was