这个系统性的差异被称为波动率微笑。

These systematic valuation errors are documented in a stylized fact, the "volatility smile" effect.

youdao

她也在攻读经济学博士学位,目前正在研究"期权微笑",也就是,期权隐含波动率微笑现象中的价格变动趋势,她现在正对我微笑呢

She is also a PhD candidate in Economics and is doing research on the behavior of options prices in a phenomenon called the "Options smile," as she's smiling at me right now.

youdao

如今，隐含波动率曲线看上去却是一副“微笑”的样子，说明看跌方已与看涨方势均力敌了。

now they look like a smile, indicating bearish bets have caught up with bullish ones.

youdao

如今，隐含波动率曲线看上去却是一副“微笑”的样子，说明看跌方已与看涨方势均力敌了。

now they look like a smile, indicating bearish bets have caught up with bullish ones.

youdao