期权，请高手讲解一下，谢谢

$京东(JD)$ 买张行权价40.5，到了这个价为什么还是跌呢？

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帅气的神灯
2017-06-28
帅气的神灯
40.54－40.5=0.04这是期权内在价值，涨得不够多，期权价格主要部分还是时间价值，时间价值会随着行权期接近衰减
别太正经了
2017-06-29
别太正经了
你点进去看买卖盘是多少，可能显示的是之前跌下去的价格，
谨慎老虎
2017-06-29
谨慎老虎
刚开学期权交易，多谢各位的指点
明亮蓝影
2017-06-28
明亮蓝影
因为股票跌了

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