Final answer:
The Securities and Exchange Commission regulates margin requirements set by brokers in financial markets.
Explanation:
The minimum margin requirement is established by brokers.
The Securities and Exchange Commission (SEC) plays a crucial role in regulating margin requirements in financial markets. Margin requirements set by brokers determine the amount of funds a trader must deposit to enter a leveraged position. These requirements help mitigate risks associated with trading on margin.
Learn more about margin requirements in financial markets here:
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