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How to Write an Expert Advisor or an Indicator

Top MQL4 and MQL5 source codes based on user ratings - 44

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Ocean theory - natural market slope

Pivots based on Bar Prediction.

This is an mql5 Expert Advisor trading the breakouts and using Martin Gale risk management.

A script which when run displays the maximum lot size permitted on the asset.

The Custom Moving Average is example of the Custom User Indicator - it calculates and shows the Moving Average.

The updated version of TimeClosingPeriod indicator, it plots the time, remained to the current bar complete. At the last second it plays the sound file, specified in the input parameters.

Example of a tick chart.

The Moving Average indicator, based on the Quasi-Digital Filter. The MACD indicator as example of its use is presented.

Dual Trix Upgrade 1.

Trade signals based on price crossover with moving average indicator confirmed by ADX is considered. The code of the Expert Advisor based on this strategy can be generated automatically using the MQL5 Wizard.

Reference Slow Trend Line (RSTL).

CoeffofLine indicator shows the most likely future price direction (2-3 bars).

The indicator shows the channel based on fractals.

The color histogram based on the Momentum and Perry Kaufman's Adaptive Moving Average indicators.

The basis of the RBVI Forex indicator is an attribute of the night market to sharply decrease the volatility due to absence of active trading on exchanges. The indicator considers the price flow and the volatility (changeability) of the market what helps to successfully behave in a flat market. It is recommended to use RBVI in Expert Advisors that run in night time.

This indicator is based on Momentum and its multiple signal lines analysis.

Trading signals module for MQL5 Wizard. The moment, when a candlestick formed by Heiken_Ashi_Smoothed changes its color, indicates the time for market entry.

The Expert Advisor based on the following indicators: Laguerre, CCI and MA.

The Shapiro-Wilk normality test.

A multi-currency trading system, based on Bollinger Bands and trend catching technique. Capable of trading up to 6 currencies simultaneously. System has build in optimization parameter sharing.

The MACD histogram drawn on the difference of two digital filters.

The internal bar indicator showing locations of temporary price consolidation.

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

Semaphore arrow signal indicator based on the classic Stochastic oscillator leaving the overbought and oversold areas, which features alerts, sending emails and push-notifications to mobile devices.

Trading system based on PChannel_System indicator signals.

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

This Expert Advisor closes all positions if the total profit exceeds a predefined limit.

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

The smoothed Relative Strength Index oscillator with the color indication of overbought/oversold level breakouts and of the histogram direction

A script for placing two Buy and Sell Limit orders at an equal distance.

The indicator implements a breakthrough system using the PercentageCrossoverChannel channel.

The oscillator is drawn as a colored histogram based on the difference between the Close price and the iSAR indicator, expressed in points.

Adaptive Moving Average (AMA) is a technical indicator.

This indicator helps to move charts one by one to the the front, just like slide show, and make your hands free.

A real-time indicator showing the lag of quotes inside the terminal.

A trading system based on the Vortex Oscillator signals.

The Schaff Trend Cycle (STC) indicator detects up and down trends long before the MACD. It does this by using the same Exponential Moving Averages (EMAs), but adds a cycle component to factor currency cycle trends. Since currency cycle trends move based on a certain amount of days, this is factored into the equation of the STC indicator to give more accuracy and reliability than the MACD.

The Expert Advisor places pending Buy Stop and Sell Stop orders. If orders execute, the trailing stop is run for the positions.

Normalized ATR

Corrected RSX

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