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发表于 2008-4-20 08:05
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Here is an example of how even optimized stops can fail. In this case, if we had a specific stop in place based on optimization over 100 or more trades, that stop would most likely have been hit. However, for a method such as the Universal which uses oscillators to signal both entry and exit in most cases, after a stop is hit, prices will eventually return (oscillate) to give us a reasonable exit price, even if that exit is at a loss or break-even. Statistically, stops do not improve the profitability of oscillator-based trades. However, they do provide two key advantages: (1) they reduce the psychological stress of trading, and (2) they reduce the individual amount (drawdown) of any one trade. Of course, if you are continuously building up your profits by taking trades with no stop, then you can afford those "larger" draw downs when the trade moves significantly against you. |






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