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.
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.
微笑键型还意在减少输入错误的发生率。
面对着惊人的致死率，他面露微笑与勇敢，他为自己设定了目标，通过一系列极费劲而暖人肺腑的挑战，来让他松散的人生和命运作一个充实的总结。
Graceful and brave in the face of a surprising mortality, he sets about to knit together the loose strands of his life and destiny through a series of Herculean, heart-warming challenges.
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.
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.
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