Avoid generic names like x or y . Use descriptive names like ShortMA or BuySignal .
// Example of clean, structured, verification-ready AFL SetFormulaName("Verified Dual EMA Crossover"); // 1. System Parameters fastPeriod = Param("Fast EMA", 10, 2, 50, 1); slowPeriod = Param("Slow EMA", 21, 2, 100, 1); // 2. Core Logic fastEMA = EMA( Close, fastPeriod ); slowEMA = EMA( Close, slowPeriod ); // 3. Buy/Sell Rules Buy = Cross( fastEMA, slowEMA ); Sell = Cross( slowEMA, fastEMA ); // 4. Verification Check: Eliminate logical redundancy Buy = ExRem( Buy, Sell ); Sell = ExRem( Sell, Buy ); // 5. Plotting Plot( Close, "Price", colorCandle, styleCandle ); Plot( fastEMA, "Fast EMA", colorBlue, styleLine ); Plot( slowEMA, "Slow EMA", colorRed, styleLine ); Use code with caution. Eliminating Look-Ahead Bias amibroker afl code verified
AmiBroker features a built-in look-ahead validator in the Analysis window. Run it regularly to audit your strategies. Step 4: Perform Rigorous Backtesting and Optimization Avoid generic names like x or y