Um cambista, ou pessoa que realiza operações de câmbio, pode ganhar dinheiro de diferentes formas. Essas pessoas geralmente trabalham em 0️⃣ bancos ou outras instituições financeiras, where they help clients convert currencies. They buy currencies at one exchange rate and sell 0️⃣ them at a higher rate, making a profit from the difference. Some currency traders also speculate on future currency movements, 0️⃣ buying and selling currencies based on their predictions of exchange rate fluctuations. However, this type of trading is risky and 0️⃣ requires a deep understanding of the financial markets.

Outside of traditional financial institutions, some people also work as independent cambistas, often 0️⃣ called "black market" or "street" changers. These individuals usually operate in countries with strict currency exchange controls, where there is 0️⃣ a significant difference between the official and black market exchange rates. They buy currencies from travelers or businesses at a 0️⃣ lower rate and sell them at a higher rate, making a profit from the spread. However, this type of activity 0️⃣ is often illegal and can result in severe penalties.