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INVESTMENTS: Analysis and Management Third Canadian Edition INVESTMENTS: Analysis and Management Third Canadian Edition W. Sean Cleary Charles P. Jones Prepared by Khalil Torabzadeh University of Lethbridge
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Chapter 22 Evaluation of Investment Performance
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Outline the framework for evaluating portfolio performance. Use measures of return and risk to evaluate portfolio performance. Distinguish between the three composite measures of portfolio performance. Discuss problems with portfolio measurement. Explain issues in portfolio evaluation such as performance attribution. Learning Objectives
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 “Bottom line” issue in investing Is the return after all expenses adequate compensation for the risk? What changes should be made if the compensation is too small? Performance must be evaluated before answering these questions How Should Portfolio Performance Be Evaluated?
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Without knowledge of risks taken, little can be said about performance Intelligent decisions require an evaluation of risk and return Risk-adjusted performance best Relative performance comparisons Benchmark portfolio must be legitimate alternative that reflects objectives Considerations
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Evaluation of portfolio manager or the portfolio itself? Portfolio objectives and investment policies matter Constraints on managerial behaviour affect performance How well-diversified during the evaluation period? Adequate return for diversifiable risk? Considerations
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Minimum standards for reporting investment performance GIPS ® objectives: 1. To obtain world-wide acceptance of a standard for calculation and presentation of investment performance 2. To ensure accurate and consistent investment data for reporting –full disclosure 3. To promote fair global competition 4. To foster the notion of industry self-regulation CFA Institute’s Global Investment Performance Standards (GIPS ® )
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Change in investor’s total wealth over an evaluation period R p = (V E - V B )/V B V E = ending portfolio value V B = beginning portfolio value Assumes no funds added or withdrawn during evaluation period If not, timing of flows important Measures of Return
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Dollar-weighted returns Captures cash flows during the evaluation period Equivalent to internal rate of return Equates initial value of portfolio (investment) with cash inflows or outflows and ending value of portfolio Cash flow effects make comparisons to benchmarks inappropriate Measures of Return
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Time-weighted returns Captures cash flows during the evaluation period and permits comparisons with benchmarks Calculate a return relative for each time period defined by a cash inflow or outflow Use each return relative to calculate a compound rate of return for the entire period Measures of Return
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Dollar- and Time-weighted Returns can give different results Dollar-weighted returns appropriate for portfolio owners Time-weighted returns appropriate for portfolio managers No control over inflows, outflows Independent of actions of client GIPS ® requires time-weighted returns Which Return Measure Should Be Used?
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Risk differences cause portfolios to respond differently to market changes Total risk measured by the standard deviation of portfolio returns Systematic risk measured by a security’s beta Estimates may vary, be unstable and change over time Risk Measures
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 The Sharpe performance measure: reward- to-variability ratio Benchmark based on the ex post capital market line Risk-Adjusted Measures of Performance = Average excess return / total risk Risk premium per unit of risk The higher the RVAR, the better the performance Provides a ranking measure for portfolios
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 The Treynor reward-to-volatility ratio Distinguishes between total and systematic risk = Average excess return / market risk Risk premium per unit of market risk The higher the RVOL, the better the performance Implies a diversified portfolio Risk-Adjusted Performance
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Depends on the definition of risk If total (systematic) risk is the relevant risk, use RVAR (RVOL) If portfolios are perfectly diversified, rankings based on either RVAR or RVOL are the same Differences in diversification cause ranking differences RVAR captures portfolio diversification RVAR or RVOL?
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 How correlated are portfolio’s returns to market portfolio? R 2 from estimation of R pt - RF t = p + p [R Mt - RF t ] + e pt R 2 is the coefficient of determination Excess return form of characteristic line The lower the R 2, the greater the diversifiable risk and the less diversified Measuring Diversification
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 The estimated coefficient in R pt - RF t = p + p [R Mt - RF t ] + e pt is a means to identify superior or inferior portfolio performance CAPM implies is zero Measures contribution of portfolio manager beyond return attributable to risk If > 0 (< 0, = 0), performance is superior (inferior, equal) to market, risk-adjusted Jensen’s Alpha
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Performance measures based on CAPM and its assumptions Riskless borrowing? What should market proxy be? If not efficient, benchmark error Global investing increases problem How long of an evaluation period? GIPS stipulate at least five-year performance record Measurement Problems
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Cleary Jones/Investments: Analysis and Management, 3 rd Canadian Edition, Chapter 22 Performance attribution seeks an explanation for success or failure Analysis of investment policy and asset allocation decision Analysis of industry and security selection Benchmark (bogey) selected to measure passive investment results Differences due to asset allocation, market timing, security selection Other Evaluation Issues
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Copyright © 2009 John Wiley & Sons Canada, Ltd. All rights reserved. Reproduction or translation of this work beyond that permitted by Access Copyright (The Canadian Copyright Licensing Agency) is unlawful. Requests for further information should be addressed to the Permissions Department, John Wiley & Sons Canada, Ltd. The purchaser may make back-up copies for his or her own use only and not for distribution or resale. The author and the publisher assume no responsibility for errors, omissions, or damages caused by the use of these programs or from the use of the information contained herein. Copyright
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