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How to Write an Expert Advisor or an Indicator

MQL5 Source Code Library for MetaTrader 5 - 114

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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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Digital_CCI_Woodies_HTF

The Digital_CCI_Woodies with the timeframe selection option available in the input parameters.

Digital_CCI_Woodies

The CCI indicator using a digital filtering.

Exp_iCCI_NR

Trading system using the iCCI_NR indicator.

iCCI_NRCandle

The iCCI_NR indicator implemented as a sequence of candlesticks.

iCCI_NR_HTF

The iCCI_NR with the timeframe selection option available in the input parameters.

iCCI_NR

The noiseless CCI indicator.

Exp_ColorMETRO_Stochastic

Trading system using the ColorMETRO_Stochastic indicator.

ColorMETRO_Stochastic_HTF

The ColorMETRO_Stochastic with the timeframe selection option available in the input parameters.

ColorMETRO_Stochastic

Indicator of the oscillator type, which displays its values based on the Stochastic technical indicator.

Exp_ColorMETRO_DeMarker

Trading system using the ColorMETRO_DeMarker indicator.

ColorMETRO_DeMarker_HTF

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

ColorMETRO_HTF

The ColorMETRO with the timeframe selection option available in the input parameters.

METRO_DeMarker

Indicator of the oscillator type, which displays its values based on the DeMarker technical indicator.

ATR_3XMA_HTF

The ATR_3XMA indicator with the timeframe selection option available in the input parameters.

VKW_Bands_Modify

The indicator for determining the time when the pending orders should be placed.

Exp_Loco

The Exp_Loco Expert Advisor based on signals of the Loco indicator.

Loco_HTF

The Loco with the timeframe selection option available in the input parameters.

AtrRange_HTF

The AtrRange with the timeframe selection option available in the input parameters.

Squize_MA_HTF

The Squize_MA with the timeframe selection option available in the input parameters.

Loco

Simple trend indicator.

Exp_MACD-2

The Exp_MACD-2 Expert Advisor based on signal entry taken from the MACD-2 indicator.

MACD-2_HTF

The MACD-2 indicator with the timeframe selection option available in input parameters.

AtrRange

The indicator, that determines the moments of the lowest volatility.

Exp_AnchoredMomentumCandle

The Exp_AnchoredMomentumCandle Expert Advisor based on signals of the AnchoredMomentumCandle indicator.

ColorRMACD_HTF

The ColorRMACD with the timeframe selection option available in the input parameters.

BigBarSound

The BigBarSound indicator plays sound alerts when candlestick body size exceeds a certain value.

MA_Rounding_Channel_HTF

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

Exp_KalmanFilterCandle

The Expert Advisor Exp_KalmanFilterCandle based on signals of the KalmanFilterCandle indicator.

Exp_MACDCandle

The Expert Advisor Exp_MACDCandle based on signals of the MACDCandle indicator.

Exp_Laguerre_ROC

Trading system based on the signals of the Laguerre_ROC indicator.

KalmanFilterCandle

The KalmanFilter indicator implemented as a sequence of candlesticks.

MACDCandle

The MACD indicator implemented as a sequence of candlesticks.

Exp_LeManTrend

The Exp_LeManTrend EA is based on the signals generated by the LeManTrend oscillator.

LeManTrend_HTF

The LeManTrend with the timeframe selection option available in the input parameters.

ColorJFatlAcceleration_HTF

The ColorJFatlAcceleration with the timeframe selection option available in the input parameters.

JCCX_HTF

The JCCX with the timeframe selection option available in the input parameters.

JJRSX_HTF

The JJRSX with the timeframe selection option available in the input parameters.

HistVolatility_HTF

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

Go_HTF

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

ATR_3XMA

Three smoothed Average True Range of different time frames in a single window.