Nonparametric filtering of conditional state-price densities
条件状态价格密度的非参数滤波AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要直接从高频期权报价估计条件定价函数和状态价格密度,明确涉及日内交易结构,对应资产定价与高频计量。
条件状态价格密度的非参数滤波AI 解读 ↓
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This paper studies the use of noisy high-frequency data to estimate the time-varying state-price density implicit in European option prices. A dynamic kernel estimator of the conditional pricing function and its derivatives is proposed that can be used for model-free risk measurement. Infill asymptotic theory is derived that applies when the pricing function is either smoothly varying or driven by diffusive state variables. Trading times and moneyness levels are modeled by marked point processes that capture intraday trading patterns. A simulation study investigates the performance of the estimator using a varying plug-in bandwidth in various scenarios. Empirical analysis using S&P 500 E-mini European option quotes reveals significant time-variation at intraday frequencies. An application towards delta- and minimum variance-hedging further illustrates the use of the estimator.