Amibroker Afl Code Verified ((install)) May 2026

Guide: Verifying AmiBroker AFL Code

1. Introduction

AFL code can run without syntax errors but still produce incorrect results due to logical mistakes, array index mismatches, or hidden assumptions. This guide provides a step-by-step verification methodology.

2. Exploration (The "Table" Test)

Exploration allows you to view your variables in a spreadsheet format. This is the standard for verifying backtest logic. amibroker afl code verified

// Visual Debugging
Plot(C, "Price", colorDefault, styleCandle);
Plot(MA(C,10), "MA Fast", colorGreen, styleLine);
Plot(MA(C,50), "MA Slow", colorRed, styleLine);

• Red flag: The system shows zero trades on 80% of stocks (over-optimized).
• Green flag: Robust verified code will have a trade frequency between 15-60% across diverse instruments.

Do you have a specific strategy logic (like a crossover or breakout) that you'd like to see converted into a verified AFL template? Guide: Verifying AmiBroker AFL Code 1

Portfolio Level Errors

Many unverified scripts ignore position sizing, margin requirements, or round lot constraints. They assume you can buy 0.001 shares of a $2,000 stock. Verified code includes SetPositionSize and RoundLotSize logic to mirror brokerage realities. Red flag: The system shows zero trades on

// Signal Logic rsiVal = RSI( period ); Buy = Cross( rsiVal, buyLevel ); Sell = Cross( 70, rsiVal );

Run on a chart. Compare Bars value with expected bar count for the symbol/interval.