一雨成烟
12-05 23:20
$诺和诺德(NVO)$
诺和诺德202701月90元的期权我玩不明白了，正股跌2个点期权跌10个点，正股涨2个点期权涨5个点。有没有懂行的请教一下为什么会这样？
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Jeffchung
12-05 23:40
Jeffchung
27年1月90，看了delta0.17 远期属于深虚了，这个时候正股涨2 3个点delta没啥影响的，主要是波动率vega很大，期权价格就主要受波动率影响的，除非正股涨5个点 10个点，delta才会被影响一点。
一雨成烟
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Jeffchung
:
感谢你的解释，我觉得期权的变量太多了，之前不懂以为只要跌了补仓就可以了，现在看来太天真了。
Jeffchung
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一雨成烟
:
是这样的，如果你真的看好这只票，觉得未来一定会涨回来，又想期权损耗不大，你可以买17年的行权价30左右的实值期权，1手就相当于100股正股，价格也就100股的一半，但是也有缺点就是跌下来会比行权价60亏得多，同样手数60得期权是为了博倍数，30的期权是为了博绝对值收益。
一雨成烟
回复
Jeffchung
:
主要是这只股我正股亏太多了，才想着买期权看能不能随着正股涨点挽回点损失，结果这个正股不涨啊，我记得前段时间正股45的时候我的期权还是2.4。现在正股48期权反而变成1.8了，这个损耗太大了，我要不要割了买20280115的行权价60的，这样正股涨多少还会涨点。今天正股是涨的我的期权还跌3个点。
Jeffchung
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一雨成烟
:
Delta0.17就是正股涨1块 期权就涨0.17，但是期权价格还受其他影响，比如波动率vega，还有每天会损失一点点的theta，割不割其实跟买股票一样啊，就看你的观点，如果看涨，迎来一波大涨，一直涨，你这个期权也会涨的很多的，期权就是一个杠杆工具
一雨成烟
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Jeffchung
:
那咋办割吗？太吓人正股跌一点期权跌十个点。这样下去会被磨没的。delta受什么影响。我成本2.8现在1.8我感觉正股涨到60都不一定能回本了。
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