NO.PZ2024061801000103
问题如下:
A trader sells short 1,000 shares of Stock A, which is currently trading at $40 per share. A margin requirement of 140% applies as well as a maintenance margin of 125%. If the share price rises to $55, the amount of the margin call is closest to:
选项:
A.
$0.
B.
$1,000.
C.
$13,000.
D.
$15,000.
解释:
C 做空1,000股交易价格为$40的A股票产生$40,000。基于140%的保证金要求,需要追加$16,000的保证金(= 40% × $40,000),总计$56,000。如果股票价格上涨到$55,那么做空的股票价值为$55,000,维持保证金变为$68,750(= 1.25 × $55,000)。初始保证金$56,000不足以覆盖维持保证金,这意味着有$12,750的追加保证金要求(= $68,750 – $56,000)。
如题,现在因为跌太猛,所以低于Maintain 所需要的Margin,那么按照惯例应该要增加回initial才对啊,即应该是55*1.4?