Nonparametric estimation for high-frequency data incorporating trading information
结合交易信息的高频数据非参数估计AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要直接研究高频价格中的微观结构噪声、跳跃与交易信息,并构造积分波动率估计量,明确对应高频计量和波动率。
结合交易信息的高频数据非参数估计AI 解读 ↓
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We propose nonparametric estimators for the explicative part of the noise in a model where the market microstructure noise is an unknown function of the trading information while allowing for the presence of an additional residual noise component. Our method allows for dependence in the observable trading information and accommodates the presence of infinite variation jumps in the efficient price process. We establish the convergence and asymptotic normality of the proposed estimators. We also propose a two-step Laplace estimator of integrated volatility where we replace the observed price with the estimated price by removing the explicative part of the market microstructure noise. The finite sample properties of both the nonparametric estimators and the two-step Laplace estimator are examined through Monte Carlo simulations. We find that our method is robust to misspecification of the unknown functional form given finite sample size. Furthermore, an empirical application using high-frequency data demonstrates that our method outperforms commonly employed parametric methods.