Sequential Bayesian Analysis of Time-Changed Infinite Activity Derivatives Pricing Models
时间变换无限活动衍生品定价模型的序贯贝叶斯分析AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确研究衍生品定价模型,并对随机波动率及其他潜在动态成分进行滤波和识别,直接对应资产定价与波动率。
时间变换无限活动衍生品定价模型的序贯贝叶斯分析AI 解读 ↓
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This article investigates time-changed infinite activity derivatives pricing models from the sequential Bayesian perspective. It proposes a sequential Monte Carlo method with the proposal density generated by the unscented Kalman filter. This approach overcomes to a large extent the particle impoverishment problem inherent to the conventional particle filter. Simulation study and real applications indicate that (1) using the underlying alone cannot capture the dynamics of states, and by including options, the precision of state filtering is dramatically improved; (2) the proposed method performs better and is more robust than the conventional one; and (3) joint identification of the diffusion, stochastic volatility, and jumps can be achieved using both the underlying data and the options data.