Every so often there are online conversations where the basic question amounts to: "Is there a single trading system that will work?"

The thing that interests me about conversations like this is, elsewhere I've seen conversations where the basic question is: "Which of these *hundreds* of profitable trading systems will remain the most robust over time?"

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I have a suspicion that there are many many many possible trading system logic structures that can profitably trade a given market. The question is: how do you find them?

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Have I mentioned the importance of an accurate optimizer lately?