preview

Zeus Asset Management

Good Essays

Business and Economics Technical Content Go8 Business and Economics Funds Management Performance (BKM Ch 24) Introduction § Investment Performance is a complicated subject § Theoretically correct measures are difficult to construct § Different statistics or measures are appropriate for different types of investment decisions or portfolios § Many industry and academic measures are different § The nature of active management leads to measurement problems Introduction § Two common ways to measure average portfolio return: 1. Time-weighted returns 2. Dollar-weighted returns § Returns must be adjusted for risk. AFF5300 Case Studies in Finance 4 Dollar- and Time-Weighted Returns …show more content…

AFF5300 Case Studies in Finance 17 2 standard deviation = 30% Figure 24.2 M of Portfolio P 2 AFF5300 Case Studies in Finance 18 Which Measure is Appropriate? It depends on investment assumptions 1) If the portfolio represents the entire risky investment , then use the Sharpe measure. 2) If the portfolio is one of many combined into a larger investment fund, use the Jensen α or the Treynor measure. The Treynor measure is appealing because it weighs excess returns against systematic risk. AFF5300 Case Studies in Finance 19 Portfolio Performance Is Q better than P? AFF5300 Case Studies in Finance 20 Treynor’s Measure AFF5300 Case Studies in Finance 21 Performance Statistics AFF5300 Case Studies in Finance 22 Interpretation of Table 24.3 § If P or Q represents the entire investment, Q is better because of its higher Sharpe measure and better M2. § If P and Q are competing for a role as one of a number of subportfolios, Q also dominates because its Treynor measure is higher. § If we seek an active portfolio to mix with an index portfolio, P is better due to its higher information ratio. AFF5300 Case Studies in Finance 23 Performance Measurement for Hedge Funds § When the hedge fund is optimally combined with the baseline portfolio, the improvement in the Sharpe measure will be determined by its information ratio: ⎡ α H ⎤ S = S + ⎢ ⎥ ⎣ α (eH ) ⎦ 2 P 2 M 2 AFF5300

Get Access