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Written By: Robert Van Delden

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The Realities Of Market Timing Written by: Robert van Delden | Distributed: 2004-10-01 | Market timing systems are based on patterns of activity in the past. Every system that you are likely to hear about works well when it is applied to historical data. If it didn’t work historically, you would never hear about it. But patterns change, and the future is always the great unknown. A system developed for the market patterns of the 1970s, which included a major bear market that lasted two years, would have saved investors from a big decline. But that wasn’t what you needed in the 1980s, which were characterized by a long bull market. And a system developed to be ideal in the 1980s would not have done well if it was back-tested in the 1970s. So far in the 1990s, any defensive strategy at all has been more likely to hurt investors than help them.