Amibroker Afl Code Verified Jun 2026
Right‑click the log to clear or copy, and double‑click an error line to jump to the editor. Note: runtime errors persist in the log until manually cleared, which can be confusing if you forget to clear previous messages.
// Verified AFL Code: Dual Moving Average Crossover Strategy // Target: Trend Following Systems _SECTION_BEGIN("System Settings"); SetChartOptions(0, chartShowDates | chartShowArrows); SetTradeDelays(1, 1, 1, 1); // Verified trade delays to avoid future leaks PositionSize = -10; // Allocate 10% equity per trade _SECTION_END(); _SECTION_BEGIN("Trading Logic"); FastMA = MA(Close, 10); SlowMA = MA(Close, 50); Buy = Cross(FastMA, SlowMA); Sell = Cross(SlowMA, FastMA); Short = Sell; Cover = Buy; _SECTION_END(); _SECTION_BEGIN("Visualizations"); Plot(Close, "Price", colorCandle, styleCandle); Plot(FastMA, "Fast MA (10)", colorBlue, styleLine | styleThick); Plot(SlowMA, "Slow MA (50)", colorRed, styleLine | styleThick); PlotShapes(IIf(Buy, shapeUpArrow, shapeNone), colorGreen, 0, Low, -15); PlotShapes(IIf(Sell, shapeDownArrow, shapeNone), colorRed, 0, High, -15); _SECTION_END(); Use code with caution. Best Practices for Maintaining Verified Code Document every logic change inside the code. amibroker afl code verified
Before trusting numbers, verify that your signals appear where you expect them to. Right‑click the log to clear or copy, and
To write verified code, you must first understand how AFL code fails. Even experienced programmers fall victim to AmiBroker-specific quirks. Look-Ahead Bias via Future Leaks Best Practices for Maintaining Verified Code Document every
In algorithmic trading, an unverified line of code is a financial liability. AmiBroker is one of the most powerful and lightning-fast platforms for backtesting and technical analysis, relying on its proprietary AmiBroker Formula Language (AFL). However, the flexibility of AFL is a double-edged sword. A single misplaced semicolon, an overlooked look-ahead bias, or an unhandled null value can turn a seemingly profitable strategy into a catastrophic live-trading failure.
Verification is a fundamental step in trading system development. It helps in building confidence in a system before it ever faces real market conditions.
Unverified code often crashes or produces blank results when dividing by zero.