Hedge Funds: Quantitative Insights / Edition 1

Hedge Funds: Quantitative Insights / Edition 1

by Francois-Serge Lhabitant, Franaois-Serge Lhabitant
     
 

Hedge funds are the fastest growing sector of the financial industry, and possibly the least understood. In this book, as a follow-on to Hedge Funds: Myths and Limits, the author provides a primer on the quantitative nature of these alternative investments.

Written by an author experienced as both a practitioner and academic, Hedge Funds:

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Overview

Hedge funds are the fastest growing sector of the financial industry, and possibly the least understood. In this book, as a follow-on to Hedge Funds: Myths and Limits, the author provides a primer on the quantitative nature of these alternative investments.

Written by an author experienced as both a practitioner and academic, Hedge Funds: Quantitative Insights provides a step-by-step introduction on how quantitative tools can be applied to hedge fund investing. Divided into three parts, the book begins with coverage of the measurement of risk-adjusted returns for hedge funds. The focus is not on determining whether hedge funds outperform or under-perform traditional markets, but rather on understanding the real meaning of performance statistics used by hedge fund managers and quantitative analysts. The second part of the book examines the risk exposures of hedge funds, and subsequently, their return drivers. The final part of the book enters the field of portfolio construction and asset allocation.

Hedge Funds: Quantitative Insights is essential reading for finance practitioners, including portfolio managers, qualitative and quantitative analysts, consultants and investors - both institutional and private. It could also prove useful to students of finance who want a better understanding of what goes on in the hedge fund world.

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Product Details

ISBN-13:
9780470856673
Publisher:
Wiley
Publication date:
07/28/2004
Series:
Wiley Finance Series, #248
Pages:
354
Product dimensions:
6.97(w) x 9.90(h) x 1.07(d)

Table of Contents

Foreword by Mark Anson.

Introduction.

Acknowledgments.

PART I: MEASURING RETURN AND RISK.

1 Characteristics of Hedge Funds.

1.1 What are hedge funds?

1.2 Investment styles.

1.2.1 The tactical trading investment style.

1.2.2 The equity long/short style.

1.2.3 The event-driven style.

1.2.4 The relative value arbitrage style.

1.2.5 Funds of funds and multi-strategy funds.

1.3 The current state of the hedge fund industry.

2 Measuring Return.

2.1 The difficulties of obtaining information.

2.2 Equalization, crystallization and multiple share classes.

2.2.1 The inequitable allocation of incentive fees.

2.2.2 The free ride syndrome.

2.2.3 Onshore versus offshore funds.

2.2.4 The multiple share approach.

2.2.5 The equalization factor/depreciation deposit approach.

2.2.6 Simple equalization.

2.2.7 Consequences for performance calculation.

2.3 Measuring returns.

2.3.1 The holding period return.

2.3.2 Annualizing.

2.3.3 Multiple hedge fund aggregation.

2.3.4 Continuous compounding.

3 Return and Risk Statistics.

3.1 Calculating return statistics.

3.1.1 Central tendency statistics.

3.1.2 Gains versus losses.

3.2 Measuring risk.

3.2.1 What is risk?

3.2.2 Range, quartiles and percentiles.

3.2.3 Variance and volatility (standard deviation).

3.2.4 Some technical remarks on measuring historical volatility/variance.

3.2.5 Back to histograms, return distributions and z-scores.

3.3 Downside risk measures.

3.3.1 From volatility to downside risk.

3.3.2 Semi-variance and semi-deviation.

3.3.3 The shortfall risk measures.

3.3.4 Value at risk.

3.3.5 Drawdown statistics.

3.4 Benchmark-related statistics.

3.4.1 Intuitive benchmark-related statistics.

3.4.2 Beta and market risk.

3.4.3 Tracking error.

4 Risk-Adjusted Performance Measures.

4.1 The Sharpe ratio.

4.1.1 Definition and interpretation.

4.1.2 The Sharpe ratio as a long/short position.

4.1.3 The statistics of Sharpe ratios.

4.2 The Treynor ratio and Jensen alpha.

4.2.1 The CAPM.

4.2.2 The market model.

4.2.3 The Jensen alpha.

4.2.4 The Treynor ratio.

4.2.5 Statistical significance.

4.2.6 Comparing Sharpe, Treynor and Jensen.

4.2.7 Generalizing the Jensen alpha and the Treynor ratio.

4.3 M2, M3 and Graham–Harvey.

4.3.1 The M2 performance measure.

4.3.2 GH1 and GH2.

4.4 Performance measures based on downside risk.

4.4.1 The Sortino ratio.

4.4.2 The upside potential ratio.

4.4.3 The Sterling and Burke ratios.

4.4.4 Return on VaR (RoVaR).

4.5 Conclusions.

5 Databases, Indices and Benchmarks.

5.1 Hedge fund databases.

5.2 The various biases in hedge fund databases.

5.2.1 Self-selection bias.

5.2.2 Database/sample selection bias.

5.2.3 Survivorship bias.

5.2.4 Backfill or instant history bias.

5.2.5 Infrequent pricing and illiquidity bias.

5.3 From databases to indices.

5.3.1 Index construction.

5.3.2 The various indices available and their differences.

5.3.3 Different indices–different returns.

5.3.4 Towards pure hedge fund indices.

5.4 From indices to benchmarks.

5.4.1 Absolute benchmarks and peer groups.

5.4.2 The need for true benchmarks.

PART II: UNDERSTANDING THE NATURE OF HEDGE FUND RETURNS AND RISKS.

6 Covariance and Correlation.

6.1 Scatter plots.

6.2 Covariance and correlation.

6.2.1 Definitions.

6.2.2 Another interpretation of correlation.

6.2.3 The Spearman rank correlation.

6.3 The geometry of correlation and diversification.

6.4 Why correlation may lead to wrong conclusions.

6.4.1 Correlation does not mean causation.

6.4.2 Correlation only measures linear relationships.

6.4.3 Correlations may be spurious.

6.4.4 Correlation is not resistant to outliers.

6.4.5 Correlation is limited to two variables.

6.5 The question of statistical significance.

6.5.1 Sample versus population.

6.5.2 Building the confidence interval for a correlation.

6.5.3 Correlation differences.

6.5.4 Correlation when heteroscedasticity is present.

7 Regression Analysis.

7.1 Simple linear regression.

7.1.1 Reality versus estimation.

7.1.2 The regression line in a perfect world.

7.1.3 Estimating the regression line.

7.1.4 Illustration of regression analysis: Andor Technology.

7.1.5 Measuring the quality of a regression: multiple R, R2, ANOVA and p-values.

7.1.6 Testing the regression coefficients.

7.1.7 Reconsidering Andor Technology.

7.1.8 Simple linear regression as a predictive model.

7.2 Multiple linear regression.

7.2.1 Multiple regression.

7.2.2 Illustration: analyzing the Grossman Currency Fund.

7.3 The dangers of model specification.

7.3.1 The omitted variable bias.

7.3.2 Extraneous variables.

7.3.3 Multi-collinearity.

7.3.4 Heteroscedasticity.

7.3.5 Serial correlation.

7.4 Alternative regression approaches.

7.4.1 Non-linear regression.

7.4.2 Transformations.

7.4.3 Stepwise regression and automatic selection procedures.

7.4.4 Non-parametric regression.

8 Asset Pricing Models.

8.1 Why do we need a factor model?

8.1.1 The dimension reduction.

8.2 Linear single-factor models.

8.2.1 Single-factor asset pricing models.

8.2.2 Example: the CAPM and the market model.

8.2.3 Application: the market model and hedge funds.

8.3 Linear multi-factor models.

8.3.1 Multi-factor models.

8.3.2 Principal component analysis.

8.3.3 Common factor analysis.

8.3.4 How useful are multi-factor models?

8.4 Accounting for non-linearity.

8.4.1 Introducing higher moments: co-skewness and co-kurtosis.

8.4.2 Conditional approaches.

8.5 Hedge funds as option portfolios.

8.5.1 The early theoretical models.

8.5.2 Modeling hedge funds as option portfolios.

8.6 Do hedge funds really produce alpha?

9 Styles, Clusters and Classification.

9.1 Defining investment styles.

9.2 Style analysis.

9.2.1 Fundamental style analysis.

9.2.2 Return-based style analysis.

9.2.3 The original model.

9.2.4 Application to hedge funds.

9.2.5 Rolling window analysis.

9.2.6 Statistical significance.

9.2.7 The dangers of misusing style analysis.

9.3 The Kalman filter.

9.4 Cluster analysis.

9.4.1 Understanding cluster analysis.

9.4.2 Clustering methods.

9.4.3 Applications of clustering techniques.

PART III: ALLOCATING CAPITAL TO HEDGE FUNDS.

10 Revisiting the Benefits and Risks of Hedge Fund Investing.

10.1 The benefits of hedge funds.

10.1.1 Superior historical risk/reward trade-off.

10.1.2 Low correlation to traditional assets.

10.1.3 Negative versus positive market environments.

10.2 The benefits of individual hedge fund strategies.

10.3 Caveats of hedge fund investing.

11 Strategic Asset Allocation – From Portfolio Optimizing to Risk Budgeting.

11.1 Strategic asset allocation without hedge funds.

11.1.1 Identifying the investor’s financial profile: the concept of utility functions.

11.1.2 Establishing the strategic asset allocation.

11.2 Introducing hedge funds in the asset allocation.

11.2.1 Hedge funds as a separate asset class.

11.2.2 Hedge funds versus traditional asset classes.

11.2.3 Hedge funds as traditional asset class substitutes.

11.3 How much to allocate to hedge funds?

11.3.1 An informal approach.

11.3.2 The optimizers’ answer: 100% in hedge funds.

11.3.3 How exact is mean–variance?

11.3.4 Static versus dynamic allocations.

11.3.5 Dealing with valuation biases and autocorrelation.

11.3.6 Optimizer’s inputs and the GIGO syndrome.

11.3.7 Non-standard efficient frontiers.

11.3.8 How much to allocate to hedge funds?

11.4 Hedge funds as portable alpha overlays.

11.5 Hedge funds as sources of alternative risk exposure.

12 Risk Measurement and Management.

12.1 Value at risk.

12.1.1 Value at risk (VaR) is the answer.

12.1.2 Traditional VaR approaches.

12.1.3 The modified VaR approach.

12.1.4 Extreme values.

12.1.5 Approaches based on style analysis.

12.1.6 Extension for liquidity: L-VaR.

12.1.7 The limits of VaR and stress testing.

12.2 Monte Carlo simulation.

12.2.1 Monte Carlo for hedge funds.

12.2.2 Looking in the tails.

12.3 From measuring to managing risk.

12.3.1 The benefits of diversification.

13 Conclusions.

Online References.

Bibliography.

Index.

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