Inference on Self‐Exciting Jumps in Prices and Volatility Using High‐Frequency Measures
利用高频测度推断价格与波动率的自激跳跃AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要利用高频价格跳跃和波动率测度进行贝叶斯推断,核心对象包括资产波动率及其动态跳跃机制。
利用高频测度推断价格与波动率的自激跳跃AI 解读 ↓
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Summary Dynamic jumps in the price and volatility of an asset are modelled using a joint Hawkes process in conjunction with a bivariate jump diffusion. A state‐space representation is used to link observed returns, plus nonparametric measures of integrated volatility and price jumps, to the specified model components, with Bayesian inference conducted using a Markov chain Monte Carlo algorithm. An evaluation of marginal likelihoods for the proposed model relative to a large number of alternative models, including some that have featured in the literature, is provided. An extensive empirical investigation is undertaken using data on the S&P 500 market index over the 1996–2014 period, with substantial support for dynamic jump intensities—including in terms of predictive accuracy—documented. Copyright © 2016 John Wiley & Sons, Ltd.