國際石油期貨價格對我國石油股票價格影響的實(shí)證分析
本文選題:油價 切入點(diǎn):相關(guān)分析 出處:《首都經(jīng)濟(jì)貿(mào)易大學(xué)》2013年碩士論文
【摘要】:本文運(yùn)用統(tǒng)計學(xué)方法,深刻解讀國際石油期貨價格和我國A股石油股票價格之間的相互關(guān)系,發(fā)掘出更加符合當(dāng)今價格數(shù)據(jù)變化趨勢的規(guī)律,為石油產(chǎn)業(yè)作出經(jīng)營決策提供有力依據(jù),給石油行業(yè)投資者提出規(guī)避風(fēng)險的新策略和新參考。 在長期價格波動溢出分析中,采用相關(guān)分析、協(xié)整檢驗、因果關(guān)系檢驗和VAR模型等4種研究方法和數(shù)據(jù)挖掘的決策樹算法,對因果關(guān)系規(guī)律進(jìn)行驗證和歸納。在短期價格波動溢出分析中,建立GARCH模型,,計算股票價格異常收益波動,基于事件研究法和非參數(shù)檢驗,鑒別短期是否存在溢出效應(yīng)。 本文認(rèn)為自2006年以來,國際石油期貨市場對我國石油股票價格的長期變化存在顯著影響,股票的價格會在一周之內(nèi)對國際期貨價格變化做出反應(yīng)。在活躍期,WTI收益率往往與股指變化方向相反,在調(diào)整期,國內(nèi)和國際市場表現(xiàn)普遍一致,如果有一個股票指數(shù)收益率與WTI收益率變化相反,那么三個股票中至少有兩個收益率與WTI相反。所以,如果投資者能注意到WTI和至少一類股指的變化方向相反時,就能基本判斷出另外兩類股票的收益率是增是減。而在短期,國內(nèi)石油股票價格對國際原油期貨價格收益率的巨大變動十分敏感。 本文本著淺入深的原則,從介紹國際石油期貨市場開始,全面剖析國際石油期貨價格和我國A股上市的石油股票價格之間的關(guān)系。對已有文獻(xiàn)觀點(diǎn)提出挑戰(zhàn),豐富了石油價格研究內(nèi)容,引入全新的研究方法,增強(qiáng)了結(jié)論的說服力。
[Abstract]:By using statistical method, this paper deeply interprets the interrelation between international oil futures price and Chinese A share oil stock price, and finds out the law that is more in line with the changing trend of current price data.It provides a strong basis for the petroleum industry to make the management decision, and puts forward a new strategy and new reference for the petroleum industry investors to avoid the risk.In the long term price volatility spillover analysis, four research methods, such as correlation analysis, cointegration test, causality test and VAR model, and decision tree algorithm of data mining are used to verify and summarize the causality law.In the analysis of short-term price volatility spillover, the GARCH model is established to calculate the abnormal return volatility of stock price. Based on the event study method and non-parametric test, the short-term spillover effect is identified.This paper holds that since 2006, the international oil futures market has a significant influence on the long-term change of the oil stock price in China, and the stock price will react to the change of the international futures price within a week.In the active period, the return of WTI is often opposite to that of the stock index. During the adjustment period, the performance of domestic and international markets is generally the same. If there is a stock index yield that is opposite to that of WTI,So at least two of the three stocks yield the opposite of WTI.So if investors notice that WTI and at least one stock index are changing in the opposite direction, they can basically tell whether the yield of the other two stocks is up or down.In the short-term, the price of domestic oil stock is very sensitive to the huge change of international crude oil futures price yield.Based on the principle of "shallow to deep", this paper begins with the introduction of international oil futures market, and analyzes the relationship between the international oil futures price and the oil stock price of A shares listed in China.The challenge to the existing literatures enriches the content of oil price research, introduces a new research method, and strengthens the persuasion of the conclusion.
【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;F426.22;F832.51
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