本帖最后由 闲云野鹤 于 2021-7-17 21:26 编辑 https://www.zhihu.com/question/26108835 期权价格和股价(stock)和波动(volatility)有关,这时候用大一高数课学的taylor expansion, 把期权价格变化写成一个表 ...
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