Managing Downside Risk in Financial Markets (Quantitative Finance)

Reseña del editor:

Quantitative methods have revolutionized the area of trading, regulation, risk management, portfolio construction, asset pricing and treasury activities, and governmental activity such as central banking to name but some of the applications. Downside-risk, as a quantitative method, is an accurate measurement of investment risk, because it captures the risk of not accomplishing the investor's goal. "Downside Risk in Financial Markets" demonstrates how downside-risk can produce better results in performance measurement and asset allocation than variance modeling. Theory, as well as the practical issues involved in its implementation, is covered and the arguments put forward emphatically show the superiority of downside risk models to variance models in terms of risk measurement and decision making. Variance considers all uncertainty to be risky. Downside-risk only considers returns below that needed to accomplish the investor's goal, to be risky. Risk is one of the biggest issues facing the financial markets today. "Downside Risk in Financial Markets" outlines the major issues for Investment Managers and focuses on 'downside-risk' as a key activity in managing risk in investment/portfolio management. Managing risk is now the paramount topic within the financial sector and recurring losses through the 1990s has shocked financial institutions into placing much greater emphasis on risk management and control. This is our contribution to the advancement of professionalism in portfolio management. The Forsey-Sortino model is an executable program that: runs on any PC without the need of any additional software; and, uses the bootstrap procedure developed by Dr. Bradley Effron at Stanford University to uncover what could have happened, instead of relying only on what did happen in the past. This is the best procedure we know of for describing the nature of uncertainty in financial markets. The Forsey-Sortino model is an executable program that fits a three parameter log normal distribution to the bootstrapped data to allow downside risk to be calculated from a continuous distribution. This improves the efficacy of the downside risk estimates. It calculates upside potential and downside risk from monthly returns on any portfolio manager. It calculates upside potential and downside risk from any user defined distribution. Forsey-Sortino Source Code: The source code, written in Visual Basic 5.0, is provided for institutional investors who want to add these calculations to their existing financial services. No royalties are required for this source code, providing institutions inform clients of the source of these calculations. A growing number of services are now calculating downside risk in a manner that we are not comfortable with. Therefore, we want investors to know when downside risk and upside potential are calculated in accordance with the methodology described in this book. Riddles Spreadsheet: Neil Riddles, former Senior Vice President and Director of Performance Analysis at Templeton Global Advisors, now COO at Hansberger Global Advisors Inc., offers a free spreadsheet in excel format. The spreadsheet calculates downside risk and upside potential relative to the returns on an index. This book: brings together a range of relevant material, not currently available in a single volume source; provides practical information on how financial organizations can use downside risk techniques and technological developments to effectively manage risk in their portfolio management; and, provides a rigorous theoretical underpinning for the use of downside risk techniques. This is important for the long-run acceptance of the methodology, since such arguments justify consultant's recommendations to pension funds and other plan sponsors.

Biografía del autor:

Dr. Sortino founded the Pension Research Institute in 1981, focusisng on problems facing fiduciaries. He is also Professor of Finance Emeritus at San Francisco State University. He is known internationally for his published research on measuring and managing investment risk and the widely used Sortino Ratio. Stephen Satchell is a Fellow of Trinity College, the Reader in Financial Econometrics at the University of Cambridge and Visiting Professor at Birkbeck College, City University Business School and University of Technology, Sydney. He provides consultancy for a range of city institutions in the broad area of quantitative finance. He has published papers in many journals and has a particular interest in risk.

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