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       66   Finance & economics                                                                                     The Economist April 25th 2020



         2 good returns that are steady and low-risk.                                                   became more comfortable with illiquid as-
           If hedge funds beat the market during           Down, but not out                      2     sets. Few will be prepared for a situation in
           times of stress, they become a source of        Global financial returns, %                   which the economy is shuttered and pen-
           portfolio diversification that is useful to                                                   sion contributions and tuition payments
                                                             Three months to  Twelve months to
           endowments and pension schemes.                   March 31st 2020  March 31st 2020           dry up. Large institutional investors might
              By and large, machines have done better                                                   face an unprecedented need for cash.
           than humans. Around a third of hedge-                         -20  -15  -10  -5    0    5        It is still too soon to know which funds
           fund assets are managed in so-called “sys-      Macro funds                                  will navigate the crisis best, let alone how
           tematic” funds, which write investment                                                       the pandemic will reshape investment de-
                                                           Systematic funds
           rules based on historical-data analysis and                                                  cisions in the longer term. “Returns in
           use algorithms to execute trades. On aver-       All hedge funds                             March will end up being just one piece of
           age, these have done best: systematic in-       Discretionary funds                          the puzzle,” says Mr Ellis. Many investors
           vestors have seen the value of their assets                                                  claim they are using the turmoil to make
           slip by only 2.1% this year. The Medallion      Activist funds                               long-term bets that may not have lifted re-
           fund, the flagship fund run by Renaissance       S&P 500                                      turns yet. But the early signs are that hedge
           Technologies and set up by Jim Simons in                                                     funds might not come out too badly. The
                                                           Sources: Preqin; Bloomberg
           1988, was up by 24% in March. By contrast,                                                   pendulum seems likely to swing back to-
           discretionary funds, which are run by hu-                                                    wards holding liquid assets, and hedge
           man managers picking and choosing              largest lenders admitted to writing down      funds appear to be doing well enough that
           trades, are down by 12.7%.                     its private-equity investments by 20% in      they might benefit from the reallocation.
              Systematic-fund managers offer a few         the first quarter.                                 If hedge funds were once a flashy way to
           explanations for their better relative per-       Another drawback of private equity may     generate extra returns for rich individuals,
           formance. Carter Lyons of Two Sigma, one       prove to be its illiquidity. Pension funds    they have since become more pedestrian—
           such fund, claims that systematic invest-      and university endowments have out-           reliable sources of diversification for big
           ments have done well because they can          goings that are more or less fixed. Stable     institutional investors. In turbulent times,
           diversify more. “A systematic fund may         cash flows in normal times meant that they     perhaps that is enough. 7
           take several thousand positions, whereas a
           discretionary manager may only have 100.”                                             Risk parity
           That helps keep systematic portfolios’
           losses down when markets are tumbling.                                  Under the weather
           Others claim that consistency has helped.
           “The great thing about systematic process-
           es is that they stick to their knitting,” says                      How a popular investment strategy unravelled
           Luke Ellis, the chief executive of Man
           Group, the third-biggest hedge-fund man-              he pandemic was a strange beast        cording to David Zervos of Jefferies, an
           ager in the world. Some of its discretionary “Tthat I didn’t have an edge wrestling          investment bank. Risk parity’s out-
           funds have done well, but its best perform-     with,” says Ray Dalio, founder of Bridge-    performance during the global financial
           ing ones have been systematic.                  water Associates, the world’s largest        crisis was its making. The average annual
              Some bets have come off better than           hedge fund, explaining his losses in the     return in the s&p risk-parity index in
           others. Macro strategies, which place bets      first quarter. For years Bridgewater’s        2006-10 was 8%; by contrast, the s&p 500
           on economic developments, have fared            famed risk-parity strategy produced high     equity index made nothing.
           best on average, down just 2%. But Bridge-      returns for low risk, and was widely             At first risk parity fared well during
           water Associates, a big macro fund, has         adopted by others. But things soured         the corona-crisis. Between January 1st
           done poorly, brought down by its risk-pari-     when covid-19 hit. Mr Dalio reported         and March 13th the msci world share-
           ty strategy (see box).                          losses of 7-21% across his funds in the      price index fell by 20%. Safe assets were
              At the bottom of the heap are activist       first quarter, his biggest since late 2008.   in high demand. In America the yield on
           funds, which buy stakes in companies in             Bridgewater created the first risk-       the ten-year Treasury, which moves
           the hope of changing their strategies or        parity portfolio in 1996, when it launched   inversely to the price, dipped to a record
           management. These were down 16.8% on            its All Weather fund. It was intended to     low of 0.3% on March 9th. But then bond
           average at the end of March. Activists may      be insulated from market-wide shocks. A      and share prices began to fall in tandem.
           have suffered as a result of loading up on       typical way to do this is to balance hold-   Faced with an intense cash crunch, some
           shares at lofty valuations earlier in the year.  ings of relatively volatile stocks with     investors sold their holdings of even
           According to Lazard, an investment bank,        government bonds—in times of market          liquid assets such as Treasuries. Risk-
           activists deployed $2.8bn of capital per        stress bonds usually rise in value, off-      parity portfolios plunged in value.
           week in February. With corporate deals off       setting losses from stocks. But that             With yields on Treasuries still low,
           the table and shareholder meetings post-        means less exposure to equities, which       proponents of risk parity are on the
           poned, they might spy fewer opportunities       tend to have higher returns. Bridgewa-       lookout for other ways to hedge risk. Mr
           to take on company bosses.                      ter’s innovation was to keep a high allo-    Dalio reckons that government borrow-
              Varied though their performance has          cation of stocks, but to borrow to buy       ing undertaken to support the economy
           been, hedge funds still look appealing          safe long-dated bonds. If the long-dated     during the pandemic will stoke inflation,
           when compared with many private-equity          interest rate is higher than the borrowing   making bonds less attractive to hold. Mr
           funds. The pandemic seems likely to pose        rate, as has generally been the case, this   Zervos argues that investment-grade
           the most financial danger to highly lever-       raises the total return on the portfolio,    corporate bonds, which offer a return
           aged businesses—precisely the type of firm       without adding extra risk.                   that is around two percentage points
           that private-equity funds tend to invest in.        The strategy’s success led others to     higher than government bonds, could be
           Buy-out firms themselves do not disclose         follow. Assets allocated to the strategy     a substitute. The search for a new way to
           returns, but some of their investors—like       probably exceeded $1trn in March, ac-        outperform begins.
           banks—must. This month one of America’s
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