我们研究发现透明度提高使市场中大部分的股票价格波动率有了显著的上升。
The empirical results show that the volatility has increased significantly after the change in market transparency.
在考虑一个带有股票和债券的金融市场后，本文提出了一个具随机波动率的股票价格的随机微分方程模型。
Considering a financial market with risky stocks and riskless bond, we describe the stochastic model of stock prices with stochastic volatility.
股票价格的波动率是股票衍生品价格的决定性因素。
The volatility of stock price is a decisive factor in derivatives pricing.
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