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捷径:用离散时间长记忆模型和非对称跳跃直接为VIX期货定价

A short cut: Directly pricing VIX futures with discrete‐time long memory model and asymmetric jumps

Journal of Futures Markets · 2020
被引 18
人大 BABS 3

中文导读

提出一个简单但丰富的框架,利用异质自回归结构和非对称跳跃直接对VIX对数定价VIX期货,相比现有模型显著降低定价误差,对金融从业者和研究者有用。

Abstract

Abstract This paper proposes a simple but rich framework to directly price volatility index (VIX) futures by applying the heterogeneous autoregressive structure and asymmetric jumps to the logarithm of the VIX. Compared with other discrete‐time models, our model imposes fewer parameter constraints. The analytical solution is also free from time‐consuming and sometimes unstable numerical integration. Empirical results suggest that our model can significantly reduce pricing errors compared with existing models using realized variance, both in‐ and out‐of‐sample. The improvement indicates that besides looking for a better measure of current volatility, it is also important to utilize information embedded in the VIX itself.

金融经济学波动率建模衍生品定价时间序列分析