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<p id="isPasted">It requires extensive experience to be able to use them without consistently suffering large losses. The problem is that there are thousands of EAs available. Even if they were all just guessing, some of them would (by sheer luck) seem reliably profitable over very long intervals. To pick an EA, you have to be able to tell the difference between a sound strategy and one that is just lucky. That is extremely difficult to do.</p><p>The other major problem is that many EAs are designed to minimize the probability of a loss. The reason for this is that it allows …</p>