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本帖最后由 adjani.zhang 于 2016-5-11 00:10 编辑
A. covered call, and a short stock combined with a long call
。。。忘了
B. short put option combined with a long call option, and a protective put
亏时被动买入，盈时主动买入 vs 亏时主动卖出
C. long call option combined with a short put option, and a long stock position
盈时主动买入，亏时被动买入，所以无论盈亏都是买入vs 买入
你只要考虑option是权力即可，此题答案是C么？ |
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发表于 2016-5-10 18:55
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