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185: How to avoid creating trading strategies that degrade quickly - Timothy Masters

Better System Trader

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Better System Trader Podcast - Tim, Thank You!

Out of sample data is precious. Practically, it should not be used more than a couple of times and ideally only once. Be very sure of the quality of your system before you use your out of sample data. That means you should do permutation tests for overfitting. You should do sensitivity tests right up front in your development period. And really, you've only got one shot with that out of sampleData.

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