AmiBroker Formula Language (AFL) is a high-performance scripting language used to create custom technical indicators, backtest trading strategies, and automate trade execution. Its syntax is similar to C and JScript but optimized specifically for financial data, featuring powerful array-processing capabilities that allow complex calculations to run at near-machine speeds. Core Components of AFL
// Plot buy and sell signals PlotShapes(BuySignal * shapeLabelUp + SellSignal * shapeLabelDown, BuySignal ? ColorGreen : ColorRed, shapeLabel, "", 0, 0, -8);Frequently, Buy array becomes null. Use Buy = IIf(IsNull(Buy), 0, Buy);
AmiBroker Formula Language (AFL) is the proprietary scripting language used by AmiBroker, a high-performance technical analysis and charting software. It is designed to allow traders to create custom indicators, scan for trading opportunities, perform backtesting, and automate trading systems. While it shares some syntactic similarities with C and C++, it is a specialized array-processing language optimized for financial data. amibroker afl code
StaticVar and StaticVarGetFor portfolio-level money management or tracking consecutive wins/losses, you need static variables. These persist across symbols in a backtest.
Plotting: The Plot function is used to display the moving averages on the chart. ColorGreen : ColorRed, shapeLabel, "", 0, 0, -8);
To make a code flexible, variables are exposed to the Amibroker "Parameters" dialog using the Param function.
A standard AFL script usually consists of three main sections: Parameters, Calculations, and Plotting/Execution. It is designed to allow traders to create
Never blindly trust AI-generated AFL. Always backtest.