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Mutual/Hedge Funds

Do investors in mutual funds and hedge funds get their fair share of returns, or are they perpetually disadvantaged by fees and underperforming fund managers? Are there ways to exploit fund behaviors? These blog entries relate to mutual funds and hedge funds.

Mutual Fund Hot Hand Performance Robustness Test

“Mutual Fund Hot Hand Performance” tests a “hot hand” strategy that each year picks the top performer from the Vanguard family of diversified equity mutual funds (not including sector funds) and holds that winner the next year. A subscriber suggested a robustness test using the Fidelity family of diversified equity mutual funds. To support the test, we select all Fidelity diversified U.S. and international equity mutual funds that bear no transaction fee, are open to new investors and have a history of at least three years. We consider the total return on the S&P 500 Index (with dividends estimated from Robert Shiller’s data) and SPDR S&P 500 (SPY) as benchmarks. As in the prior analysis of Vanguard funds, we pick end of June to end of the next June for annual return measurement intervals. To simplify analysis, we assume the “hot hand” mutual fund on the next-to-last trading day of June is the same as that for the end of June. We assume that there are no costs or holding period constraints/delay for switching from one fund to another. Using annual returns for the S&P 500 Index plus Shiller’s dividend data and annual returns for SPY and Fidelity diversified equity mutual funds as available from Yahoo!Finance during June 1980 through June 2014, we find that: Keep Reading

Dark Hedge Fund Performance

How do hedge funds electing not to report to a commercial database differ from those that do? In their July 2014 paper entitled “What Happens ‘Before the Birth’ and ‘After the Death’ of a Hedge Fund?”, Vikas Agarwal, Vyacheslav Fos and Wei Jiang compare performances of equity hedge funds before they begin self-reporting, while they are self-reporting; and after they stop self-reporting to commercial databases. They develop a sample of hedge funds that do and do not self-report by matching hedge fund Securities and Exchange Commission (SEC) Form 13F filings to listings of hedge funds that self-report to any of five major hedge fund commercial databases. They then identify subsamples of hedge funds that: (1) initially do not but later do self-report; and, (2) initially do but later do not self-report. They then use the long-only equity holdings in series of Form 13F to analyze performances and characteristics within subsamples. Using 1,199 series of Form 13Fs for firms that are clearly hedge funds during 1980 through 2008 and contemporaneous data for hedge funds self-reporting to commercial databases, they find that: Keep Reading

Sources of Active Equity Mutual Fund Risk

Are the sources of active mutual fund risk mostly common (systematic) or unique (idiosyncratic)? In his July 2014 paper entitled “Components of Portfolio Variance: R2, SelectionShare and TimingShare”, Anders Ekholm decomposes mutual fund return variance (risk) into three sources: (1) passive systematic factor exposure (R-squared); (2) active security selection or stock picking (SelectionShare); and, (3) active systematic factor timing (TimingShare). He demonstrates estimation of these three components based on mutual fund returns (reflecting daily manager actions) rather than holdings (known only via quarterly snapshots). He employs the widely used four-factor (market, size, book-to-market, momentum) model of stock returns to define systematic risk. Using daily returns for a broad sample of actively managed U.S. equity mutual funds and for the four factors during 2000 through 2013, he finds that: Keep Reading

Alternative Mutual Fund Performance

Are alternative mutual funds attractive for retail investors as hedge fund surrogates? In their June 2014 paper entitled “Performance of Alternative Mutual Funds: The Average Investors Hedge Fund”, Srinidhi Kanuri and Robert McLeod analyze the performance of alternative mutual funds that employ strategies similar to those of hedge funds and seek returns uncorrelated with the equity market. These funds can sell short and use leverage, derivatives, options and swaps to shape and enhance returns. However, they must offer daily liquidity, cover short positions, limit borrowing to a third of assets and limit illiquid investments to 15% of assets. The authors consider nine categories of alternative mutual funds, ranging in population from just three inverse commodity funds to 109 long-short equity funds. They apply both a four-factor (equity market, size, book-to-market, momentum) mutual fund model and a seven-factor (equity market, size, bond market, credit spread, bond trend, currency trend, commodity trend) hedge fund model to measure alternative mutual fund alpha. They aggregate across all funds and within categories based on equal weight. Using monthly data for 256 surviving and 62 dead alternative mutual funds during January 1998 through December 2011, they find that: Keep Reading

Active Beats Buy-and-Hold?

Do individuals who actively reallocate funds within their pension accounts outperform passive counterparts? In the March 2014 update of their paper entitled “Individual Investor Activity and Performance”, Magnus Dahlquist, Jose Vicente Martinez and Paul Soderlind examine the activity and performance of individual participants in Sweden’s Premium Pension System. This system allows individual participants to reallocate among available mutual funds on a daily basis with no switching fees/impediments. Information about the 1,230 funds offered during the sample period includes type (fixed income, balanced, life-cycle and equity), return and risk measured at several horizons, fee and major holdings. Most are equity funds, about half of which invest primarily in international equities. The government assigns individuals who make no choice to a default fund. Using daily net returns, fund trades and demographics for 70,755 individuals (from a random draw of individuals in the system over the entire period) and contemporaneous returns for several benchmarks during September 2000 through May 2010, they find that: Keep Reading

Performance Persistence for Some Mutual Funds?

Is past performance a useful indicator of future performance for some kinds of mutual funds? In their April 2014 paper entitled “Differences in Short-Term Performance Persistence by Mutual Fund Equity Class”, Larry Detzel and Andrew Detzel evaluate performance persistence among diversified U.S. equity mutual funds categorized per the Morningstar Equity Style Box: Large Value (LV), Large Blend (LB), Large Growth (LG), Mid-Cap Value (MV), Mid-Cap Blend (MV), Mid-Cap Growth (MG), Small Value (SV), Small Blend (SB) or Small Growth (SG). Each quarter, they sort funds into styles and then rank them into fifths (quintiles) based on four-factor alpha (adjusting for market, size, book-to-market and momentum risks) calculated with daily returns. They then calculate average four-factor alphas for these quintiles during the next four quarters. Using quarterly Morningstar style assignments and daily returns for a large sample of live and dead diversified U.S. equity mutual funds, along with data for associated stocks and contemporaneous returns for risk factors, during January 1999 through December 2011, they find that: Keep Reading

Usefulness of Morningstar’s Qualitative Fund Ratings

Do Morningstar’s analyst ratings predict which mutual funds will do best? In their January 2014 paper entitled “Going for Gold: An Analysis of Morningstar Analyst Ratings”, Will Armstrong, Egemen Genc and Marno Verbeek examine the performance of mutual funds after Morningstar assigns analyst ratings to them. Morningstar initiated these substantially qualitative ratings (Gold, Silver, Bronze, Neutral and Negative) in September 2011, as a supplement to star ratingsto convey expected risk-adjusted performance of funds with respect to peers over a full market cycle of at least five years. Ratings take into account past performance, fees and trading costs, quality of investment team, parent organization and investment process.  The study considers both raw returns and four-factor (market, size, book-to-market, momentum) alphas during intervals of one, three and six months after each rating initiation. It also takes into account differences in time frame, fund investment style and fund star rating. Using analyst ratings initiated during September 2011 through December 2012, associated fund characteristics and associated fund returns through June 2013, they find that:

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Assessing Active Investment Managers

Do active investment managers beat the market? In their January 2014 paper entitled “Active Manager Performance: Alpha and Persistence”, Frank Benham and Edmund Walsh assess the performance of active investment managers relative to appropriate benchmarks across asset classes over long periods. They consider six basic investment classes: core bonds; high-yield bonds; domestic large capitalization stocks; domestic small capitalization stocks; foreign large capitalization stocks; and, emerging markets stocks. They focus on whether investment managers beat benchmarks in the past and whether past outperformers become future outperformers. They take steps to avoid survivorship bias, selection bias and fund classification errors. Using a sample of 5,379 live and dead funds assembled from Morningstar Direct by filtering to avoid classification errors and to eliminate redundant funds run by the same manager from benchmark inceptions (ranging from January 1979 for domestic stocks to January 1988 for emerging markets stocks) through 2012, they find that: Keep Reading

Cloning Hedge Funds with ETFs

Does the expanding set of exchange-traded funds (ETF) support reliable replication (cloning) of future hedge fund returns? In their March 2014 paper entitled “In Search of Missing Risk Factors: Hedge Fund Return Replication with ETFs”, Jun Duanmu, Yongjia Li and Alexey Malakhov investigate the use of ETFs as factors in constructing hedge fund clones. They note that the number of U.S.-listed passive ETFs increases from 19 in 1997 to 1,313 in 2012, now comprising a large set of proxies for many factor/characteristic strategies. They use this set of factor proxies to clone a hedge fund via a three-step in-sample replication process based on two years of historical data. Specifically, each year they:

  1. Iterate cluster analysis 100 times to identify ETFs most representative (highest correlation of monthly returns with the mean return of the cluster) of up to 100 clusters to serve as factor proxies.
  2. Use an optimization tool on each of the 100 cluster analyses to combine representative ETFs into 100 clone models of pre-fee (risk factor perspective) monthly returns for each target hedge fund.
  3. Apply the Bayesian information criterion (which addresses data snooping bias via a penalty for model complexity) to select the best clone model for each target hedge fund.

They then test the ability of winning clone models to match post-fee (investor perspective) monthly returns of target hedge funds for one year out-of-sample. They mitigate backfill bias in hedge fund returns (only funds with good starts begin publicizing their returns) by excluding the first 24 months of reported returns. They suppress survivorship bias by including funds that later stop reporting. Using monthly returns, fees and characteristics for 3,190 hedge funds and monthly returns and fees for 1,313 passive ETFs as available during 1997 through 2012, they find that: Keep Reading

Hedge Fund Benchmark Biases

Research on hedge fund performance derives from voluntary reports by hedge funds to commercial databases. This environment encourages: (1) backfill bias (non-reporting funds doing well are most likely to begin reporting, including historical data that arguably involves some good luck); and, (2) delisting bias (reporting funds doing poorly, arguably due in part to poor strategies, are most likely to stop reporting). Also, young databases tend to have survivorship bias because they have not accumulated much data on “dead” funds. How material is the delisting bias? In their August 2013 paper entitled “The Delisting Bias in Hedge Fund Databases”, Philippe Jorion and Christopher Schwarz compare information across three commercial hedge fund databases to estimate delisting bias. Their estimating process exploits the fact that hedge funds often do not terminate reporting to all three databases at the same time. Using matched monthly hedge fund return data across Tremont Advisory Shareholders Services, the Center for International Securities and Derivatives Markets, and Hedge Fund Research databases during 1994 through 2008 (9,970 funds), they find that: Keep Reading

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