Dynamic estimation of volatility risk premia and investor risk aversion from option-implied and realized volatilities
利用期权隐含与已实现波动率动态估计风险溢价和投资者风险厌恶AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要直接连接波动率风险溢价、期权定价信息与未来股票市场收益预测。
利用期权隐含与已实现波动率动态估计风险溢价和投资者风险厌恶AI 解读 ↓
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This paper proposes a method for constructing a volatility risk premium, or investor risk aversion, index. The method is intuitive and simple to implement, relying on the sample moments of the recently popularized model-free realized and option-implied volatility measures. A small-scale Monte Carlo experiment confirms that the procedure works well in practice. Implementing the procedure with actual S&P500 option-implied volatilities and high-frequency five-minute-based realized volatilities indicates significant temporal dependencies in the estimated stochastic volatility risk premium, which we in turn relate to a set of macro-finance state variables. We also find that the extracted volatility risk premium helps predict future stock market returns.