菜鸟请教一个期权问题

$京东(JD)$ 我买了100股京东，成本26。担心大跌，于是买了1手10月21号的put，不算手续费，花了0.99元。分两种情况，如果10-21之前，股价涨，我持股赚钱，put作废；如果股价跌，我可以以26的价格卖出100股。是这样理解的吗？

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Tony特别帅
2016-09-18
Tony特别帅
不是呀，如果股价跌，假设跌了2%，你期权涨20%觉得合适就可以卖了
- Tony特别帅回复niuerxiao:
  老虎证券官网的期权学习视频可以跟着了解下：http://www.tigerbrokers.com/college/video
- Tony特别帅回复niuerxiao:
  那就是了，股价大跌put挣钱卖了然后吃put的肉。
- niuerxiao回复Tony特别帅:
  嗯，明白。我刚接触这个，谢啦。
- Tony特别帅回复niuerxiao:
  你一买就是买*100，也就是99美元，不能买一个0.99
- niuerxiao回复Tony特别帅:
  打算长期持有正股，所以买put对冲
JoM
2016-09-19
JoM
是这样的，不过一般都是平仓期权，不做实际的行权

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