dc.contributor.advisor | 劉明郎 | zh_TW |
dc.contributor.advisor | Liu, Ming Long | en_US |
dc.contributor.author (Authors) | 劉宣谷 | zh_TW |
dc.contributor.author (Authors) | Liu, Hsuan Ku | en_US |
dc.creator (作者) | 劉宣谷 | zh_TW |
dc.creator (作者) | Liu, Hsuan Ku | en_US |
dc.date (日期) | 2007 | en_US |
dc.date.accessioned | 17-Sep-2009 13:49:47 (UTC+8) | - |
dc.date.available | 17-Sep-2009 13:49:47 (UTC+8) | - |
dc.date.issued (上傳時間) | 17-Sep-2009 13:49:47 (UTC+8) | - |
dc.identifier (Other Identifiers) | G0907515013 | en_US |
dc.identifier.uri (URI) | https://nccur.lib.nccu.edu.tw/handle/140.119/32602 | - |
dc.description (描述) | 博士 | zh_TW |
dc.description (描述) | 國立政治大學 | zh_TW |
dc.description (描述) | 應用數學研究所 | zh_TW |
dc.description (描述) | 90751501 | zh_TW |
dc.description (描述) | 96 | zh_TW |
dc.description.abstract (摘要) | 過去的三十年間由於評價美式選擇權所產生的自由邊界問題已經有相當的研究成果。本論文將證明自由邊界問題的解為遞增函數。更進一步提出自由邊界凹性的嚴謹証明。利用我們的結論可以得知美式選擇權的最佳履約邊界對時間而言為嚴格遞減的凹函數。這個結果對可用來求導最佳履約邊界的漸近解。對於美式交換選擇權,我們將其自由邊界問題轉換成單變數的積分方程,同時提供一個永續型美式交換選擇權的評價公式。對於有限時間的美式交換選擇權的最佳履約邊界,我們將提供一個接近到期日的漸近解並發展一個數值方法求其數值解。數值計算的結果顯示漸近解在接近到期日時與數值解非常接近。對於評價美式選擇權,我們提出使用混合整數非線性規劃(MINLP)的模型,這個模型的最佳解同時提供賣方的完全避險策略、買方的最佳交易策略與美式選擇權的公平價格。因為求算MINLP模型的解需耗用大量的計算時間,我們證明此模型和其非線性規劃的寬鬆問題有相同的最佳解,所以只需求算寬鬆問題即可。觀察數值結果亦顯示非線性規劃的寬鬆問題可以大幅的降低計算的時間。此外,當市場的價格低於公平價格時,我們提出一個最小化賣方期望損失的數學規劃模型,此模型的解提供賣方最小化其期望損失的避險策略。 | zh_TW |
dc.description.abstract (摘要) | In the past three decades, a great deal of effort has been made on solving the free boundary problem (FBP) arising from American option valuation problems. In this dissertation, we show that the solutions, the price and the free boundary, of this FBP are increasing functions. Furthermore, we provide a rigorous verification that the free boundary of this problem is concave. Our results imply that the optimal exercise boundary of an American call is astrictly decreasing concave function of time. These results will provide a useful information to obtain an asymptotic formula for the optimal exercise boundary.For pricing of American exchange options (AEO), we convert the associated FBP into a single variable integral equation (IE) and provide a formula for valuating the perpetual AEO.For the finite horizon AEO, we propose an asymptotic solution as time is near to expiration and develop a numerical method for its optimal exercise boundary.Compared with the computational results, the values of our asymptotic solution are close to the computational results as time is near to expiration. For valuating American options, we develop a mixed integer nonlinear programming (MINLP) model. The solution of the MINLP model provides a hedging portfolio for writers, the optimal trading strategy for buyers, and the fair price for American options at the same time. We show that it can be solved by its nonlinear programming (NLP) relaxation. The numerical results reveal that the use of NLP relaxation reduces the computation time rapidly. Moreover, when the market price is less than the fair price, we proposea minimum expected loss model. The solution of this model provides a hedging strategy that minimizes the expected loss for the writer. | en_US |
dc.description.tableofcontents | Title Page iAbstract iiiTable of Contents v1 Introduction 11.1 Motivations and Research Objectives 11.2 Major Results 31.2.1 Single Asset American Option Pricing Problems 31.2.2 American Exchange Option Pricing Problems 41.2.3 Optimization Approaches for Pricing American Style Options 41.3 Organization of the Dissertation 52 Literature Review 72.1 American Option Pricing Problems 72.2 American Exchange Option Pricing Problems 92.3 Optimization Approaches for Option Pricing Problems 102.4 Applications to Real Options 143 Single Asset American Style Option Pricing Problems 163.1 Free Boundary Problems Arising from Pricing of American Options 173.2 Properties of the Solution 203.3 Concavity of the Free Boundary 253.4 Application to American Call Option 293.5 An Asymptotic Solution for the Early Exercise Boundary 334 American Exchange Option Pricing Problems 394.1 The Formulation of AEO 404.2 Properties of the Free Boundary 434.3 The Integral Equation 454.4 An Asymptotic Solution of Finite-Lived AEO 504.5 The Exact Solution of the Perpetual AEO 584.6 Integral Recursive Methods 634.7 Numerical Results 655 Optimization Approaches for Pricing an Option 685.1 Notations 695.2 Binomial Pricing Approach 705.3 MINLP Valuation Models 725.4 Writer’s Problems 795.5 Numerical Results 816 Conclusions and Future Researches 876.1 Conclusions 876.1.1 Single Asset American Option Pricing Problems 876.1.2 American Exchange Option Pricing Problems 886.1.3 Optimization Approaches for Pricing an Option 886.2 Future Researches 896.2.1 Incomplete Markets 896.2.2 American Spread Option Valuation Problems 896.2.3 Martingale Probability Measure for the American option 90Bibliography | zh_TW |
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dc.language.iso | en_US | - |
dc.source.uri (資料來源) | http://thesis.lib.nccu.edu.tw/record/#G0907515013 | en_US |
dc.subject (關鍵詞) | 自由邊界問題 | zh_TW |
dc.subject (關鍵詞) | 美式選擇權 | zh_TW |
dc.subject (關鍵詞) | 美式交換型選擇權 | zh_TW |
dc.subject (關鍵詞) | 混合型非線性整數規劃問題 | zh_TW |
dc.subject (關鍵詞) | 非線性規劃問題 | zh_TW |
dc.subject (關鍵詞) | Free boundary problem | en_US |
dc.subject (關鍵詞) | American option | en_US |
dc.subject (關鍵詞) | American exchange option | en_US |
dc.subject (關鍵詞) | nonlinear mixed integer programming | en_US |
dc.subject (關鍵詞) | nonlinear programming | en_US |
dc.title (題名) | 單一資產與複資產的美式選擇權之評價 | zh_TW |
dc.title (題名) | The Valuation of American Options on Single Asset and Multiple Assets | en_US |
dc.type (資料類型) | thesis | en |
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