VaR方法在滬深300中的實(shí)際應(yīng)用與研究
本文選題:VaR + 風(fēng)險(xiǎn)管理; 參考:《首都經(jīng)濟(jì)貿(mào)易大學(xué)》2013年碩士論文
【摘要】:本文從VaR的三種基本的計(jì)算方法—參數(shù)法,歷史模擬法,,蒙特卡洛模擬出發(fā)引出了第四種VaR計(jì)算方法---半?yún)?shù)法,然后結(jié)合了我國目前唯一的股指期貨品種—滬深300,在顯著性水平5%,持有期一天的情況下,使用了10種VaR的計(jì)算方法構(gòu)建了19個(gè)不同的VaR模型。最后,用Kupiec檢驗(yàn)法和VaR描述統(tǒng)計(jì)量研究了這19個(gè)VaR模型的效果及適用條件。 首先,本文的檢驗(yàn)結(jié)果表明,沒有一個(gè)模型能在各個(gè)指標(biāo)上都表現(xiàn)良好,每個(gè)模型都存在某種程度的缺點(diǎn)。這意味著,實(shí)際應(yīng)用中要針對不同的情況選擇不同的模型來進(jìn)行風(fēng)險(xiǎn)度量測算。 其次,本文的理論和實(shí)證分析表明了得下屬一般性的結(jié)論:(1)就精度而言,蒙特卡洛方法和EVT方法最高,GARCH方法次之,歷史模擬法最差。(2)就金融機(jī)構(gòu)的風(fēng)控管理成本而言,蒙特卡洛方法較高,歷史模擬法、GARCH方法以及EGARCH法較低;加權(quán)歷史模擬法權(quán)重越低模型的風(fēng)險(xiǎn)管理成本越高。EVT模型的閥值越高模型的風(fēng)險(xiǎn)管理成本越高。(3)對于大型金融機(jī)構(gòu),蒙特卡洛方法和EVT方法更適合;對于中型的金融機(jī)構(gòu),基于GED分布的GARCH模型或EGARCH模型更適合;對于小型金融機(jī)構(gòu),歷史模擬法較適合。 最后,本文僅僅對基本的GARCH模型,蒙特卡洛模擬,歷史模擬法等共11種方法進(jìn)行理論分析和實(shí)證研究,并未對基本方法混合改進(jìn)后的衍生方法如GARCH-蒙特卡洛模擬等方法進(jìn)行實(shí)證研究,如果能在計(jì)算方法的豐富性做進(jìn)一步的改進(jìn),則還可能獲得更加有意義的結(jié)果。
[Abstract]:In this paper, the fourth calculating method of VaR, the semi-parametric method, is derived from the three basic calculation methods of VaR, namely, parameter method, historical simulation method and Monte Carlo simulation method. Then combined with the only stock index futures in China-Shanghai and Shenzhen 300, in the case of significant level of 5, holding a day, using 10 VaR calculation methods to construct 19 different VaR models. Finally, Kupiec test method and VaR description statistics are used to study the effects and applicable conditions of these 19 VaR models. Firstly, the test results of this paper show that none of the models can perform well on every index. Each model has a certain degree of disadvantage. This means that different models should be chosen to measure the risk in practical application. Secondly, the theoretical and empirical analysis of this paper shows that the general conclusion: 1) in terms of accuracy, Monte-Carlo method and EVT method are the highest GARCH method, and historical simulation method is the worst. In terms of the cost of wind control and management of financial institutions, Monte-Carlo method is higher, historical simulation method is lower than GARCH method and EGARCH method. The lower the weighted historical simulation, the higher the risk management cost of the model. The higher the threshold value of the EVT model, the higher the risk management cost of the model.) for large financial institutions, the Monte Carlo method and the EVT method are more suitable; for medium-sized financial institutions, the Monte Carlo method and the EVT method are more suitable. The GARCH model based on GED distribution or EGARCH model is more suitable; for small financial institutions, historical simulation is more suitable. Finally, this paper only for the basic GARCH model, Monte Carlo simulation, There are 11 methods for theoretical analysis and empirical research, such as historical simulation and so on, and no empirical research has been carried out on the basic methods, such as GARCH-Monte Carlo simulation and so on, after mixed and improved derivation methods of the basic methods, such as GARCH-Monte Carlo simulation, etc. If further improvements can be made in the richness of the calculation methods, more meaningful results may be obtained.
【學(xué)位授予單位】:首都經(jīng)濟(jì)貿(mào)易大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2013
【分類號】:F224;F832.51
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