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谁知道做股票的OPTION,买进CALL,如果日后股票跌了,要平仓时,除了损失的买CALL的钱(那都不会很多),还有什么损失吗?要加放保证金吗?

windydays (风和日丽,不再windy)
(#115771@43)
2009-11-2
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