The user: "Mike," a part-time swing trader scanning 5,000 US stocks daily. The problem: Mike spent 2 hours every morning rewriting scan criteria for gappers and breakout candidates. The solution: Mike built a library with three core files:
By following the guidelines and best practices outlined in this article, traders can unlock the full potential of the Amibroker AFL library and take their trading to the next level.
C:\AmiBroker\AFL_Library\ │ ├── 00_Include\ (Master functions & global variables) │ ├── Math_Utils.afl │ ├── Date_Filters.afl │ └── PositionSizing.afl │ ├── 01_Indicators\ │ ├── Trend\ │ ├── Momentum\ │ └── Volatility\ │ ├── 02_Systems\ │ ├── LongOnly\ │ ├── ShortOnly\ │ └── LongShort\ │ ├── 03_Scans\ │ ├── Breakout_Scan.afl │ └── RSI_Scan.afl │ └── 04_Explorations\ ├── Earnings_Calendar.afl └── RelativeStrengthRanking.afl amibroker afl library
// Determine trend if( Trend[i-1] == 1 && Close[i] <= LowerBand[i] ) Trend[i] = -1; else if( Trend[i-1] == -1 && Close[i] >= UpperBand[i] ) Trend[i] = 1; else Trend[i] = Trend[i-1];
Thoughts On Amibroker in 2026 (Review, Summary, Pros And Cons) The user: "Mike," a part-time swing trader scanning
Users can define their own trading rules, chart commentaries, and even automate order execution through broker bridges. Key Components of the AFL Library
Start small. Today, create just one folder and move your three most-used indicators into it. Add comments. Use #include . Tomorrow, download a free scanning library from the AmiBroker forum. Within a month, you will wonder how you ever traded without a structured codebase. Add comments
, effectively extending AmiBroker’s capabilities to other languages like C++ or C#.
The Amibroker AFL library offers several benefits to traders and investors, including:
In the world of quantitative trading, a well-organized AFL library is the difference between guessing market direction and systematically exploiting edge cases. This article will serve as your definitive roadmap to understanding, sourcing, and utilizing an AFL library to transform your trading workflow.