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Access the CodeBase from your MetaTrader 5 terminal

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How to Write an Expert Advisor or an Indicator

MQL5 Source Code Library for MetaTrader 5 - 85

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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Semaphore signal indicator based on the Dots trend indicator algorithm.

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

Trend indicator located directly on the chart.

The Exp_ColorXCCXCandle Expert Advisor is based on the change of color of the ColorXCCXCandle indicator candles.

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

Trend indicator with simple and clear indication of position opening moments.

Trading system based on the signals of the MomentumCandleSign indicator.

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

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

Sum of three moving averages of different timeframes in a separate window.

A scalper that trades depending on the last deal on the open interest side.

Trading system based on the signals of the XMA_Range_Channel indicator.

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

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

Trading system based on the signals of the JMACandleSign indicator.

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

An indicator that helps to calculate a safe stop level for open positions.

A semaphore signal indicator that uses two JMA indicators, based on Open and Close values of the price series.

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

The channel formed by two averages drawn on smoothing of High and Low price series. Candlesticks outside the channel limits are marked with color according to the trend.

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

The MFI indicator implemented as a sequence of candlesticks. Candlesticks appear as a result of relevant price timeseries processed by the MFI algorithm.

The WPR (Williams’ Percent Range) indicator implemented as a sequence of candlesticks. Candlesticks appear as a result of relevant price timeseries processed by the WPR algorithm.

Three WPR (Williams’ Percent Range) osicllators from the same timeframe, based on Close, High and Low in a single window.

A usual WPR (Williams’ Percent Range) with the option of selecting Close, High, Low price type for calculation.

The indicator draws JMACandle indicator candlesticks of a higher timeframe as color filled rectangles using DRAW_FILLING buffers.

The JMA adaptive moving average with additional trend strength indication using colored dots based on the standard deviation algorithm.

The JMA indicator implemented as a sequence of candlesticks.

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

A semaphore signal indicator that uses two Momentum indicators, based on Open and Close values of the price series.

A semaphore signal indicator that uses two CCI indicators, based on Open and Close values of the price series.

A semaphore signal indicator that uses two OsMA indicators, based on Open and Close values of the price series.

The script tests the computer in 45 performance tests. It is possible to compare the performance of VPS/VDS servers.

A semaphore signal indicator that uses two TriX indicators, based on Open and Close values of the price series.

A semaphore signal indicator that uses two EMV indicators, based on Open and Close values of the price series.

The FatlSatlOsma indicator implemented as a sequence of candlesticks. andlesticks appear as a result of relevant price timeseries processed by the FatlSatlOsma algorithm.

A semaphore signal indicator that uses two 2pbIdeal1MA indicators, based on Open and Close values of the price series.

A semaphore signal indicator that uses two JFatl indicators, based on Open and Close values of the price series.

A semaphore signal indicator that uses two FatlMacd indicators, based on Open and Close values of the price series.

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

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