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  • 學位論文

以公司特性探討台股動能及動能反轉策略之研究

A Study the Association of Corporation Characteristic to Momentum Strategies and Contrarian Strategies in Taiwan Stock Market

指導教授 : 劉立倫
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摘要


近年來有不少學者利用源自於投資者心理偏誤的異常現象,建構出能夠預測並獲取超額報酬的投資策略。其中方法最簡單並且效果最為顯著的策略為動能投資策略及能動反轉投資策略。另一方面,對於公司特性有許多的探討,本研究在探討以動能投資策略及動能反轉投資策略為主,藉著將不同的公司特性變數引入,形成一維、二維、三維的投資組合,測試是否可以在臺灣股市中獲取超額報酬。 本研究是以台灣股市集中市場之上市公司的股價資料進行實證,研究期間為民國85年1月至95年6月底止,共計10年6個月,根據個股每月月報酬、公司市值、本益比、成交量週轉率之資料驗證。 綜合前章的實證結果及分析歸納出本章之結論: 一、在多(空)市場區隔下,單純利用動能與動能反轉投資策略是很難獲得異常報酬。進一步分析發現:不論形成期間有多長,輸家股與贏家股在隨著檢定期間拉長,二者的報酬差異大幅縮小,甚至出現輸贏互換的局面。正因為如此,以贏輸家建構出的動能投資策略及動能反轉投資策略在多頭時期無法打敗大盤,而在空頭時期所得到的負報酬較大盤負報酬小。 二、利用成交量週轉率來建構投資組合發現,低成交量週轉率組合在台灣股市中報酬最高,利用公司規模來建構投資組合發現,在多頭市場下,大規模報酬較高;在空頭市場下,小規模報酬較高,利用本益比來建構投資組合,發現低本益報酬較高本益比高出許多。 三、交叉結合成交量週轉率、公司規模、本益比三項公司特性因子,並沒有想像中的績效增加。

並列摘要


Recent research is use investor’s psychology abnormal phenomenon, to develop huge rewards investment strategic. The most simple and efficacy way is the momentum strategies and contrarian’s strategies, there are lots of company characteristics to analyze; the doc is to analyze the momentum and contrarians investment strategic, according to different firm characteristics, development to the 1,2 and 3 dimensional components, to test the over reward in Taiwan market. The doc is only for Taiwan stock market analyzed, the period is between 1996 Jan,~2005 Jun, the term is 10.5 years, analyze the data to each stock monthly reward, company volume, turnover rotation. According upper proven and analyze result: 1.There is difficult to gain huge rewards in the condition of stock market divide. We find the development period pulls long, the winner and loser will become the same condition in Further analyzed, sometime the winner and loser switch off if the period pull long, that why the winner sometime could not defeat the bull market under momentum strategies and contrarian’s strategies, under bear market the minus reward is less then stock market. 2.Use turnover rotation constructed component will discover more reward under low rotation turnover in Taiwan market, if use the size of company to built investment component, under bull market the big size company reward more the small one, use P/E effect to built component will discover the low P/E effect rewards more the high one. 3.The 3 firm elements of intersection Volume Turnover Rate, size of company and P/E effect, doesn’t good enough as we expect.

參考文獻


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被引用紀錄


孫偉傑(2009)。不同基金分類的動能策略與聰明錢效果〔碩士論文,中原大學〕。華藝線上圖書館。https://doi.org/10.6840/cycu200900915

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