Note that the amount of gain or loss was bigger than the margin requirement.

Even as they raised the margin requirement, the markets proposed to ease another rule.

The proposed changes would also, however, make it more difficult for traders to lend each other money to meet margin requirements.

Some online brokerage firms have recently increased their margin requirements.

Officials at E*Trade did not return a phone call seeking information about their current margin requirements.

He could have raised margin requirements to make it more expensive to gamble on stock prices.

On May 16, the exchange raised the margin requirement to 60 percent from 50 percent.

Customers are ordinarily given at least a day to meet a sudden change in margin requirements.

But after the crash, the various futures exchanges raised their margin requirements.

The margin requirements were 10 percent and with $100 you could buy $1,000 worth of stock.