Watch how to download trading robots for free

Find us on Facebook!
Join our fan page

Access the CodeBase from your MetaTrader 5 terminal

Couldn't find the right code? Order it in the Freelance section

How to Write an Expert Advisor or an Indicator

MQL5 Source Code Library for MetaTrader 5 - 37

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.

To post a new code, please log in or register
latest|best

ZigZag separate is a MetaTrader 5 version of one indicator that was floating around the net as a wonder indicator for MetaTrader 4.

Fractal Adaptive Moving Average Technical Indicator (FRAMA) was developed by John Ehlers. This indicator is constructed based on the algorithm of the Exponential Moving Average, in which the smoothing factor is calculated based on the current fractal dimension of the price series. The advantage of FRAMA is the possibility to follow strong trend movements and to sufficiently slow down at the moments of price consolidation.

This version extends the Instantaneous Trend Line indicator with a sort of bands to make it easier to spot trend change and to filter out some false signals that can be produced if only the slope of the ITL indicator is takes for a signal. And it also differs from the original in one important part: instead of using fractional alpha parameter for calculation, this version uses period which makes it the same category as averages are and the usage becomes a bit more intuitive than the original version.

This version differs from the original Instantaneous Trend Line in one important part: instead of using fractional alpha parameter for calculation, this version uses period which makes it the same category as averages are and the usage becomes a bit more intuitive than the original version.

Trading in a channel based on a Moving Average with the period of 220 and three Envelopes with the periods of 220 and different heights. Position trailing.

A trading system based on the account balance and the result of the last trade.

Simple trailing of stop loss and take profit orders of open positions.

An oscillator of market movement, mood and trend.

A set of thirty popular candlestick patterns.

The indicator draws candlesticks in a separate window in the form of a histogram from the zero line.

A moving average based in High and Low prices.

The indicator searches for divergences and displays them on the chart of the signal line of the custom MACD indicator.

The indicator searches for divergences and displays them on the chart of the custom MACD indicator.

Geometric Mean Moving Average is a simple moving average calculated by the geometric mean method.

RSI+CCI in one window.

Colored Bollinger Bands

The EA trades using the signals of iADX (Average Directional Movement Index, ADX) and iSAR (Parabolic SAR) indicators. The profit/loss of the last closed position is taken into account. Positions are moved to breakeven.

The indicator searches for divergences and displays them on the chart of the custom AO indicator.

A trading system based on three indicators: two iMAs (Moving Average) and iMACD (Moving Average Convergence/Divergence, MACD).

A trading system based on two indicators: iSAR (Parabolic SAR) and iRSI (Relative Strength Index, RSI). Lot calculation based on the risk value as a percentage of free margin.

The Expert Advisor uses Buy Stop and Sell Stop orders to trade news and large price movements.

Opening positions randomly after a certain time interval.

This non-trading Expert Advisor is designed for the simple trailing of take profit orders of open positions.

A Simple Expert Advisor The EA opens a position of the specified type at the time specified in the EA parameters. The position is closed at the time specified in the appropriate parameter.

Implementation of multiple trailing types. Pending Buy Stop and Sell Stop orders. Limitation of the maximum total lot and the total number of positions. Several types of position volume calculation.

An Expert Advisor, which trades in a channel based on the Percentage_Crossover_Channel indicator.

An Expert Advisor based on the Diff_TF_MA indicator.

ZeroLagMACD is an MACD version, which has a much smaller lag compared to the classic MACD.

Zero Lag is a modified EMA.

The WI oscillator indicator.

VMA is a volatility based dynamic MA.

Square Weighted Moving Average.

RWI (Random Walk Index)

Median MA is a moving average, which is calculated using the median price for a given period.

A moving average drawn as candlesticks on a chart.

Logarithmic regression channel.

Kurtosis is an indicator of market sentiment.

The indicator searches for a sequence of candlesticks on a chart and marks bullish and bearish sequences.

The Difference indicator shows the difference between the current prices and prices as of N periods ago.

A polynomial regression channel.

1...303132333435363738394041424344...148