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Why do trading strategies stop working?I won't be talking about poorly-constructed strategies because all strategies will shine at times even without having a discernable edge.Why do well-constructed strategies stop working? There is a multitude of reasons & the reason only becomes apparent after suffering substantial losses. Curve fitting, market changes, survivorship bias, behavioral mistakes, & commissions slippage all play their part to some degree.Skate.
Why do trading strategies stop working?
I won't be talking about poorly-constructed strategies because all strategies will shine at times even without having a discernable edge.
Why do well-constructed strategies stop working?
There is a multitude of reasons & the reason only becomes apparent after suffering substantial losses. Curve fitting, market changes, survivorship bias, behavioral mistakes, & commissions slippage all play their part to some degree.
Skate.
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