基于非線性時間序列與極值理論的Shibor市場風(fēng)險度量研究
[Abstract]:With the acceleration of interest rate marketization, financial institutions have to pay attention to the market risk brought by interest rate. Shanghai Interbank offered rate (SAIBOR) is an important interbank offered rate in China. The appropriate model is chosen to measure the risk of Shanghai Interbank offered rate. This paper studies the financial time series of Shanghai Interbank offered rate, which not only considers the traditional peak and thick tail, but also notes its asymmetry and periodicity. For this reason, this paper not only introduces the extreme value theory of simulating thick tail, agglomeration, GARCH model, but also introduces threshold autoregressive model of nonlinear time series analysis to measure asymmetry, periodicity and jump of fluctuation. The TAR-GARCH-POT model is formed and compared with the traditional linear time series model (AR-GARCH-POT model), the VaR and CVaR values of the three models are calculated by comparison with the traditional linear time series model (AR-GARCH-POT model). TAR-GARCH-POT model can better simulate the risk of Shanghai Interbank offered rate.
【學(xué)位授予單位】:上海交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:F832.5;F224
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