变动保证金的中文解释

因市场出现不利的波动，导致账户的保证金不足而须增缴的保证金，与头寸的亏损程度成正比。变动保证金由清算行或经纪商每日收取，按当日收盘价计算头寸的损益情况得出。

Variation Margin的英文解释

Variation margin is collected on a daily basis by clearing houses or brokers to ensure margin requirements on a particular transaction keep pace with subsequent market movements. It represents a running profit or loss on a contract. It is calculated by revaluing all positions with reference to the closing prices each day.

• running [´rʌniŋ]   a.奔跑的；流动的   (初中英语单词)
• reference [´refərəns]   n.参考；参照；出处   (初中英语单词)
• margin [´mɑ:dʒin]   n.边缘；空白；余地   (高中英语单词)
• subsequent [´sʌbsikwənt]   a.其次的；其后的   (高中英语单词)
• clearing [´kliəriŋ]   n.(森林中的)空旷地   (英语四级单词)