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  • 學位論文

利差交易策略之績效分析-以G7貨幣與台幣為例

FX Carry Trades Strategy: The Case of G10 Currencies

指導教授 : 程智男
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摘要


國際上過去主要以日幣作為利差交易的標的,但在近年來,台灣的低利率環境,以及台幣兌美元的匯率,因受到央行的干預,匯率的波動一直維持在一定的範圍,因此台幣與日幣相同,符合作為利差交易融資貨幣的兩個條件:低利率、匯率波動小。本研究期望能以台幣作為利差交易,標的貨幣的選擇以G7之各國貨幣:日圓(JPY)、加拿大幣(CAD)、英鎊(GBP)、美元(USD)、瑞士法郎(CHF)、歐元(EUR)、澳幣(AUD),透過各種貨幣組合來獲得較高的利差報酬交易,並利用在金融海嘯前資料找出最佳策略,與金融海嘯後資料找出之最佳策略是否相同,以觀察該策略與投資組合是否具有穩定預測能力,進而提供全球投資者之參考依據。 實證結果顯示,若用夏普指數當比較的準則,Long1/Short1無論是在金融海嘯前後,在各期都是表現最好的策略,在金融海嘯前夏普指數1.72而金融海嘯後夏普指數為1.23.,這結果也顯示了此最佳交易策略的穩定性和前瞻性,可做為國際利差交易投資者的參考;以各個貨幣來檢視,夏普指數表現最佳的是加幣和澳幣,夏普指數表現最差的是日圓和歐元。

關鍵字

金融海嘯 利差交易

並列摘要


In recent years, the TWD has been widely used as the funding currency due to its low interest and low volatility in currency rates. Especially the low interest rate policy is a key reason which leads to great opportunities of international FX carry trades.. Our purpose thus is to build up some currencies portfolios which can generate higher return rate. In this study carry strategies borrow NTD and invests other high yield targets of G7 currencies, According to our empirical results, we try to find the best strategy by using data before and after the Financial crisis broke out in 2008 .Therefore, we can find whether the best trading strategy in the period of pre-financial crisis is consistent with the best strategy during the period of post-financial crisis . According to the empirical result, we use the Sharp Ratio as criterion in comparison. The best trading strategy is Long1/Short1. In the period of pre-financial crisis, the sharp ratio of Long1/Short1 is 1.72. while we have 1.23. during the period of post-financial crisis. This result shed light on the stability and the feasibility of this best trading strategy for investors’ reference. CAD and AUD generally outperform the other currencies in terms of higher Sharpe ratio and JP and EURO have the worst performance.

並列關鍵字

CARRY TRADE G7

參考文獻


1.張宗載(2006),「一籃子貨幣避險」,碩士論文,台灣大學財務金融研究所。
6.彭欣儀(2010),「外匯利差交易策略──G10貨幣實證」,台灣大學財務金融研究所。
5.曾右靖(2007),「匯率分離管理-台幣利差交易之外匯交易模型」,台灣大學財務金融研究所。
7.蔡閔丞(2011),「匯利差交易策略:遠期匯率偏誤交易動能之運用」,台灣大學財務金融研究所。
1. Fama, Eugene F. , 1984. “Forward and Spot Exchange Rates.” Journal of Monetary Economics,14:319–38.

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