预测波动率（forecasted volatility）又称为预期波动率（expected volatility），它并不等于历史波动率，而是人们对实际波动率的理解和认识。当然历史波动率往往是这种理解和认识的基础。
基于24个网页-相关网页
总结来看，女人的交易频率更低，持有组合的波动性更低，对回报率的心理预期也比男人低。
In short, women trade less frequently, hold less volatile portfolios and expect lower returns than men do.
出乎意外地的是，皮质醇上涨与用来测量预期将来资产价格变动的隐含波动率呈正相关。
Remarkably, cortisol increased in direct correlation to implied volatility, a measure of expected future variance in asset prices.
但是从短期看，实体库存的周转率会上下波动，原因可能是空间影响、成本预期、或者生产瓶颈。
Over the short term, however, the physical turnover rate may Bob around because of special influences - e. g., cost expectations, or bottlenecks.
应用推荐