Exploiting the errors: A simple approach for improved volatility forecasting
利用测量误差改进波动率预测的简便方法AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确利用高频已实现波动率估计理论,并研究股票市场波动率预测,直接对应波动率与高频计量。
利用测量误差改进波动率预测的简便方法AI 解读 ↓
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We propose a new family of easy-to-implement realized volatility based forecasting models. The models exploit the asymptotic theory for high-frequency realized volatility estimation to improve the accuracy of the forecasts. By allowing the parameters of the models to vary explicitly with the (estimated) degree of measurement error, the models exhibit stronger persistence, and in turn generate more responsive forecasts, when the measurement error is relatively low. Implementing the new class of models for the S&P 500 equity index and the individual constituents of the Dow Jones Industrial Average, we document significant improvements in the accuracy of the resulting forecasts compared to the forecasts from some of the most popular existing models that implicitly ignore the temporal variation in the magnitude of the realized volatility measurement errors.