问题 单项选择题

An analyst does research about margin transaction. An investor purchases a stock priced at $80 by borrowing the maximum amount under a 65% initial margin requirement. If the maintenance margin requirement is 30% the security price below which the investor will first receive a margin call is closest to:()

A. $37

B. $40

C. $52

答案

参考答案:B

解析:

需要追加保证金时股价的公式为:margin call price=P0×(1-initial margin)/(1-maintenance margin),且P0=initial purchase price。

因此,需要追加保证金时的股价=$80×(1-65%)/(1-30%)=$40。

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