Market Timing | AUG 2004
Enhanced Returns With Mutual Funds by Norman J. Brown
Enhanced Returns With Mutual Funds by Norman J. Brown Is buy and hold the best strategy when it comes to mutual funds? Here’s a mutual fund switching technique that uses multiple-fund ranking to improve returns. In my earlier articles, I showed it was possible to switch a persistent fund using a technique I called one rank, or OR. The technique resulted in a significant improvement in annual return (Ann) and a reduction in maximum drawdown (Mdd). The term one rank implies ranking a single mutual fund daily, buying on an up day (return of fund positive), and selling any day the fund is down (return negative). Further enhancement of Ann is made possible by adding a second fund, a beta = -1.0 version of the basic fund. This approach is equivalent to selling short during the OR “out of market period” (when normally invested in a money market). A simple equation closely approximated the resulting ORLS (OR using both a long and short fund switching approach). The formula for the net up days per year for ORLS is: ORLS (net days up) = N – 4S (Equation 1) where N is 252 market days per year and S is the number of buys and sells per year. This number of net days then leads to the ORLS Ann, given by: GORLS = [1 + (%Avg Pos Rtn) / 100 ][N-4S] (2)
by Norman J. Brown
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