How to Backtest Trend Following Strategies
It is early morning. Your algorithm just captured a move on Micro E-mini futures while you were still asleep. This scenario defines trend following, whe...
It is early morning. Your algorithm just captured a move on Micro E-mini futures while you were still asleep. This scenario defines trend following, where systems ride price momentum without emotional interference. Yet, many traders build strategies that look perfect in history but fail immediately when live markets hit. The difference often lies not in the idea itself, but in how rigorously you test for overfitting before risking real capital. Micro E-mini futures offer a low-risk environment to validate algorithmic concepts without exposing large amounts of margin. These contracts are one-tenth the size of standard E-minis, making them perfect for testing strategies that might otherwise be too expensive to experiment with live. Overfitting is [the practice] of creating a strategy so tailored to past data that it fails on new market conditions. It creates an illusion of profitability where none exists in real-time trading. Key fact: Micro E-mini futures contracts require significantly less margin than standard ES or NQ contracts, allowing traders to test strategies with reduced financial exposure per trade.