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How to Write an Expert Advisor or an Indicator

MQL5 Source Code Library for MetaTrader 5 - 43

This is the largest free source code library for MetaTrader 5 platform programs. Here you can find ready-made Expert Advisors, technical indicators, scripts and libraries. Use the code library when learning MQL5 language and develop your own automated trading applications based on the provided codes.

You can freely download and test published codes, as well as launch them in MetaTrader 5. The library is also available directly from MetaTrader 5 platform and MetaEditor development environment.

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A trading system based on the signals of the Heiken_Ashi_Smoothed indicator.

The XDerivative_StDev indicator with the timeframe selection option available in input parameters.

The Price Channel indicator with the color filling inside the channel, drawn as a cloud, with the display of the last values as price labels and the possibility to round the channel levels up to a required number of digits, and a price grid with these rounded values.

The Price Channel indicator with the background filling inside the channel.

The Price Channel indicator calculates the highest high and lowest low for the price values of bars.

A trading system based on the signals of the Go indicator.

A trading system based on the signals of the FiboCandles indicator.

A trading system based on the signals of the Candles_Smoothed indicator.

A trading system based on the signals of the BykovTrend indicator.

A trading system based on the signals of the ASCtrend indicator.

A trading system based on the signals of the 3LineBreak indicator.

Three Bollinger Bands channels based on one moving average, drawn as a colored cloud, with the display of the last values as price labels and the possibility to round Bollinger levels up to a required number of digits, and a price grid with these rounded values.

The Relative Vigor Index oscillator developed based on the article "Using The Fisher Transform" by John Ehlers that was published in November 2002 in the Technical Analysis Of Stock & Commodities magazine.

AdaptiveRVI is the Relative Vigor Index oscillator that adapts to the constantly changing marker cycles of a real financial asset.

A trading system based on the signals of the ColorLaguerre indicator.

The JMA_StDev indicator with the timeframe selection option available in input parameters.

The Gaus_MA_StDev indicator with the timeframe selection option available in input parameters.

The FineTuningMA_StDev indicator with the timeframe selection option available in input parameters.

The ColorZerolagX10MA_StDev indicator with the timeframe selection option available in input parameters.

The ColorZeroLAG_MA_StDev indicator with the timeframe selection option available in input parameters.

The ColorXMA_Ishimoku_StDev indicator with the timeframe selection option available in input parameters.

The ColorXdinMA_StDev indicator with the timeframe selection option available in input parameters.

The ColorJ2JMAStDev indicator with the timeframe selection option available in input parameters.

The BinaryWave_StDev indicator with the timeframe selection option available in input parameters.

The WPR_Chart indicator with the timeframe selection option available in input parameters.

The MFI_Chart indicator with the timeframe selection option available in input parameters.

The DeMarker_Chart indicator with the timeframe selection option available in input parameters.

The Stochastic_Chart indicator with the timeframe selection option available in input parameters.

The RVI_Chart indicator with the timeframe selection option available in input parameters.

The True_Range_Bands indicator with the timeframe selection option available in input parameters.

The RSI_Chart indicator with the timeframe selection option available in input parameters.

The CCI_Chart indicator with the timeframe selection option available in input parameters.

An alternative to the Bollinger Bands® indicator using Average True Range.

The XMA_KLx7_Cloud indicator with the timeframe selection option available in the input parameters.

Three Keltner channels based on one moving average, drawn as a colored cloud, with the display of the last values as price labels.

The XMA_BBx7_Cloud_Digit indicator with the timeframe selection option available in the input parameters.

Three Bollinger Bands channels based on one moving average, drawn as a colored cloud, with the display of the last values as price labels and the possibility to round Bollinger levels up to a required number of digits.

The Ichimoku indicator with the timeframe selection option available in input parameters.

The standard Ichimoku indicator, in which the distance between the Tenkan-sen and Kijun-sen lines is filled with a color histogram for for a better visual analysis.

The GMMA indicator with the timeframe selection option available in input parameters.

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