Backtesting AI trading strategies: How to avoid curve-fitting and over-optimization
Hello traders! I’ve been experimenting with developing custom automated trading strategies using historical tick data. My biggest frustration right now is that whenever I tweak my parameters or add machine learning indicators, my backtest results look incredible on paper—showing massive profitability over the last three years. However, the moment I forward-test it on a demo account during live market conditions, it starts failing miserably. I know this is a classic case of curve-fitting or over-optimization. How do experienced algorithmic traders properly validate their bots to ensure they actually survive live trading?
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