研究生: |
黃國峰 Huang - Kuo Feng |
---|---|
論文名稱: |
應用平滑支撐向量迴歸於台股指數期貨與類股指數期貨價差交易之研究 An Application of Smooth Support Vector Regression on Taiwan Stock Index Futures Spread |
指導教授: |
余尚武
Shang-wu Yu 盧瑞山 Rui-Shan Lu |
口試委員: |
周子銓
Tzu-Chuan Chou |
學位類別: |
碩士 Master |
系所名稱: |
管理學院 - 資訊管理系 Department of Information Management |
論文出版年: | 2007 |
畢業學年度: | 95 |
語文別: | 中文 |
論文頁數: | 67 |
中文關鍵詞: | 股價指數期貨 、SSVR 、價差交易 |
外文關鍵詞: | Taiwan Stock Index Future、SSVR、Spread |
相關次數: | 點閱:260 下載:1 |
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以往文獻指出執行價差交易並非像套利一樣無風險,因未來的價差走勢未必會如預期收斂,而造成損失,故本研究結合持有成本理論與預期理論於價差交易策略中,首先以持有成本理論建構無價差區間,發掘出可行價差時點,再以預期理論為基底,預測下一點價差走勢來決定進場時點以輔助投資者鎖定較佳的套利報酬,並減少風險存在。在預測工具的選擇上,則採用近年來於分類、預測領域表現傑出,卻尚未被應用於價差實證研究之平滑支撐向量機(SSVM)作為本研究之預測工具。
研究樣本取樣期間為2006年1月19日至2006年9月20日之日內五分鐘資料,以台股指數期貨(TX)、電子類股指數期貨(TE)、金融與保險類股指數期貨(TF)建構價差模型。經實證研究後,本研究發現:
一、各組價差模型仍具有相當多價差交易機會,以電子類股指數期貨和金融與保險類股指數期貨間價差交易機會最多。
二、預測工具方面,應用SSVR於價差模型上預測價差比率,高達八成以上準確率,且任一模型皆有不錯報酬表現,顯示SSVR適合應用於價差交易策略上。
三、在任一價差模型上,有使用預測工具其平均獲利報酬和勝率皆高於不使用預測工具,顯示價差擇時策略對投資者而言具有實質幫助的。
四、在考量風險觀念之後,有使用預測工具之風險溢酬皆高於不使用預測工具,且電子類股指數期貨和金融與保險類股指數期貨此組價差組合,擁有較高的風險溢酬。
五、輸入變數方面,本研究發現,在任何標的組合下,經過Pearson’s 係數檢定篩選出變數作為SSVR之輸入變數,比輸入所有變數之準確率提高約一成準確率。
In the literature, many studies address that spread is not risk free like arbitrage, because tendency of spread may not be expected to convergence and causes damage.
This research proposes the spread strategy which combines cost-of-carry model with expectation theory. First, the study applied cost-of-carry model to construct “no-spread-boundaries” and discovered the timing of spread. In addition, through the expectation theory, the next spread ratio tendency is predicted to determine the time of entering the market which can assist trader lock better than spread performance. As prediction tools, smooth support vector machines (SSVM) is adopted. SSVM outstands on classification and prediction in recent years, but has not been applied to spread studying yet.
The period of the sample selection is the intraday five-minute data from February 19, 2006 to September 20, 2006, By employing TX, TE and TF to construct the model of spread. The findings are as follows:
1. There are many opportunities of spread in every spread model, especially in the model of TE and TF.
2. In the aspect of prediction, the accuracy rate of SSVR is up to more than 80%, and every SSVR model has good return that shows SSVR is suitable for the spread strategy.
3. For any spread models, the average rate of return with predictive tools is higher than that without predictive tools. It is helpful for traders to apply the spread-timing-selection strategy.
4. After considering risk, the risk premium with predictive tools is higher than that without predictive tools, especially the model of TE and TF.
5. As input parameter, by assaying and screening the introduction parameters as the ones of SSVR through Pearson's coefficient, raising 10% about accuracy than all parameters of inputting in the association of any model.
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