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How to Write an Expert Advisor or an Indicator

MQL5 Source Code Library for MetaTrader 5 - 60

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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The classical Stochastic Oscillator implemented as a histogram with a color indication of entering the overbought and oversold areas, as well as a colored cloud between the signal line and the oscillator to indicate the oscillator intersections.

The classical MFI indicator implemented as a histogram with a color indication of entering the overbought and oversold areas.

The classical WPR indicator implemented as a histogram with a color indication of entering the overbought and oversold areas.

The classical DeMarker indicator implemented as a histogram with a color indication of entering the overbought and oversold areas.

The classical RSI indicator implemented as a histogram with a color indication of entering the overbought and oversold areas.

The ColorXMACD indicator implemented as a sequence of candlesticks.

A simple oscillator based on the difference between values of two MAs either of different periods or of the same one but with a "lag" of a few bars.

The FastStochastic stochastic oscillator with the noise reduction, and the timeframe selection option available in input parameters.

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

A signal indicator which points at the reverse bars based on Bill Williams' Profitunity system excluding the angulation relative to the Alligator indicator mouth.

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

The XMA_BBx7 indicator with the timeframe selection option available in input parameters.

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

This is a plain and simple indicator that determines the rising high or falling low.

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

Three Bollinger Bands channels based on one moving average, with the display of the last values as price labels.

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

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

The XMA_BBx7_Cloud 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.

A semaphore signal indicator that generates trade signals in accordance with trend direction changes.

A trend indicator in the form of a moving average that changes color depending on trend direction.

The XMA_BBx3 indicator with the timeframe selection option available in input parameters.

The XMA_BBx5 indicator with the timeframe selection option available in input parameters.

The XMA_BBx5_Cloud indicator with the timeframe selection option available in the input parameters.

Signal based on the indicator developed by the Brazilian analyst Odir Aguiar (Didi).

Moving Average Convergence/Divergence with Histogram. Based on MACD.mq5.

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

Two Bollinger Bands channels based on one moving average, with the display of the last values as price labels.

Bollinger Bands channel with the display of the last values as price labels.

Trading system based on the signals of the BSI indicator.

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

The Channel indicator. The indicator also displays the current channel levels as price labels and the type of the signal for making trading decisions.

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

Bounce Strength Indicator (BSI) shows the strength of bounce according to the Wyckoff method.

The ColorStochNR stochastic oscillator with noise reduction and the timeframe selection option available in input parameters.

The MACD ColorMACD histogram with the timeframe selection option available in input parameters.

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

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

Class for expanding the capabilities of MqlRates.

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