基于CVaR的中國股指期貨市場風險預警
發(fā)布時間:2018-11-25 17:04
【摘要】:股指期貨交易在中國推出不久,相關的法制法規(guī)和監(jiān)管措施尚不完善,加上交易自身具有的投機性及高杠桿性,這使得投資者會面臨較大的風險。為了防止股指期貨交易風險向股票融資市場和實體經(jīng)濟擴散,必須穩(wěn)定股指期貨市場收益,降低股指期貨市場的投資風險。 通過選取2010年4月到2011年12月期間內(nèi)五只典型股指期貨合約進行統(tǒng)計特征分析,可以看到其收益序列符合基本的正態(tài)分布,樣本數(shù)據(jù)具備一階自相關和偏自相關,,且通過了ARCH效應檢驗,可以用于GARCH-M模型的構(gòu)建。此外,通過選取10個重要的宏觀經(jīng)濟指標進行最小二乘法和單位根檢驗,從中發(fā)現(xiàn)對股指期貨市場有顯著長期影響的指標和短期影響指標,可以運用于中國股指期貨市場風險的度量。 在將對股指期貨市場有顯著影響的宏觀經(jīng)濟指標加入GARCH-M模型后對其進行優(yōu)化,可以看出在我國股指期貨推出之初,因市場的規(guī)章制度尚不完善,影響合約收益的不確定性因素較多,運用該模型進行擬合和預測的效果并不理想。而從2011年開始,在股指期貨市場有效運行幾個季度后,股指期貨的市場成熟度提高,殘差始終在兩個標準差的范圍內(nèi),擬合和預測結(jié)果較好。 而以GARCH-M模型為基礎,在GED分布下以CVaR方法計算出每個月的最大損失值,并進行了2012年1月份最大損失值的預測后,在風險度量的基礎上進行風險分離,得出CPI、匯率等因素對中國股指期貨收益的變動有較大的影響,進而有針對性的從抑制通貨膨脹、穩(wěn)定人民幣匯率和控制流通中的貨幣供應量三方面進行宏觀經(jīng)濟調(diào)控,從而穩(wěn)定股指期貨市場收益,降低股指期貨市場的投資風險。
[Abstract]:Not long after the launch of stock index futures trading in China, the relevant legal regulations and regulatory measures are not perfect, plus the speculative and highly leveraged nature of the trading itself, which makes investors face greater risks. In order to prevent the stock index futures trading risk from spreading to the stock financing market and the real economy, it is necessary to stabilize the income of the stock index futures market and reduce the investment risk of the stock index futures market. Through the statistical analysis of five typical stock index futures contracts from April 2010 to December 2011, we can see that the return sequence accords with the basic normal distribution, and the sample data have first order autocorrelation and partial autocorrelation. Through the ARCH effect test, it can be used in the construction of GARCH-M model. In addition, by selecting 10 important macroeconomic indicators for the least square method and unit root test, we find that there are significant long-term and short-term impact indicators on the stock index futures market. It can be used to measure the risk of Chinese stock index futures market. After adding the macroeconomic index which has significant influence on the stock index futures market into the GARCH-M model, we can see that at the beginning of the introduction of stock index futures in our country, the rules and regulations of the market are not perfect. There are many uncertain factors influencing contract income, and the effect of fitting and forecasting by this model is not ideal. Since 2011, the market maturity of stock index futures has been improved, and the residual error has always been within the range of two standard deviations, and the fitting and forecasting results are better. On the basis of GARCH-M model, the maximum loss value of each month is calculated by CVaR method under GED distribution. After forecasting the maximum loss value in January 2012, the risk is separated on the basis of risk measurement, and CPI, is obtained. Exchange rate and other factors have great influence on the change of stock index futures income in China, and then carry out macroeconomic regulation and control from three aspects: restraining inflation, stabilizing the RMB exchange rate and controlling the money supply in circulation. In order to stabilize the income of stock index futures market, reduce the investment risk of stock index futures market.
【學位授予單位】:哈爾濱工業(yè)大學
【學位級別】:碩士
【學位授予年份】:2012
【分類號】:F832.51;F224
本文編號:2356835
[Abstract]:Not long after the launch of stock index futures trading in China, the relevant legal regulations and regulatory measures are not perfect, plus the speculative and highly leveraged nature of the trading itself, which makes investors face greater risks. In order to prevent the stock index futures trading risk from spreading to the stock financing market and the real economy, it is necessary to stabilize the income of the stock index futures market and reduce the investment risk of the stock index futures market. Through the statistical analysis of five typical stock index futures contracts from April 2010 to December 2011, we can see that the return sequence accords with the basic normal distribution, and the sample data have first order autocorrelation and partial autocorrelation. Through the ARCH effect test, it can be used in the construction of GARCH-M model. In addition, by selecting 10 important macroeconomic indicators for the least square method and unit root test, we find that there are significant long-term and short-term impact indicators on the stock index futures market. It can be used to measure the risk of Chinese stock index futures market. After adding the macroeconomic index which has significant influence on the stock index futures market into the GARCH-M model, we can see that at the beginning of the introduction of stock index futures in our country, the rules and regulations of the market are not perfect. There are many uncertain factors influencing contract income, and the effect of fitting and forecasting by this model is not ideal. Since 2011, the market maturity of stock index futures has been improved, and the residual error has always been within the range of two standard deviations, and the fitting and forecasting results are better. On the basis of GARCH-M model, the maximum loss value of each month is calculated by CVaR method under GED distribution. After forecasting the maximum loss value in January 2012, the risk is separated on the basis of risk measurement, and CPI, is obtained. Exchange rate and other factors have great influence on the change of stock index futures income in China, and then carry out macroeconomic regulation and control from three aspects: restraining inflation, stabilizing the RMB exchange rate and controlling the money supply in circulation. In order to stabilize the income of stock index futures market, reduce the investment risk of stock index futures market.
【學位授予單位】:哈爾濱工業(yè)大學
【學位級別】:碩士
【學位授予年份】:2012
【分類號】:F832.51;F224
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