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How to Write an Expert Advisor or an Indicator

Top MQL4 and MQL5 source codes based on user ratings - 61

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Smoothed version of Synthetic VIX.

The BrainTrend2_V2 indicator with the ability to change the indicator timeframe using the input parameters.

The VPCI (Volume Price Confirmation) indicator shows the relationship between the price and the volume.

Ultra Trend indicator that uses a "fast" (fast in response to market changes) Zero Lag TEMA for trend calculations.

The Commodity Channel Index oscillator displayed as a color histogram, using volumes.

Tim Morris MA

ATR adaptive EMA

Grid of pending orders. The EA applies iADX (Average Directional Movement Index, ADX) indicator.

Fixed version of the Skyscrape indicator

AdaptiveRenko indicator with the channel background filling and additional display of the NRTR line using colored icons allowing users to visually track trend signals present on a single bar

Smoothed RSI indicator

Relative price channel

Indicator RJTX_Matches_Smoothed_Alert featuring alerts, emails and push notifications for smartphones. The input variables allow replacing the displayed indicator symbols

RSI Histogram Oscillator

XFisher_org_v2_Candle_Alert indicator with background filling for overbought/oversold areas, as well as for the channel between them

Multiple strategies within a single Expert Advisor. When two or more strategies are activated, a position lot is increased exponentially.

CCI variation

Filtered WPR (Williams Percent Range)

The Float_Pivot_Digit indicator with the smoothing of input timeseries used in calculations. The timeseries smoothing parameters are determined by the indicator input variables

Stochastic of filtered price

Deviation scaled MA - extended

Indicator Float_Pivot_Digit with the timeframe selection option in its input parameters

RSI divergence candles

The EA focuses on the OHLC of timeframe W1

Protecting a position (hedging)

Indicator Non lag MACD

The Expert Advisor uses four iMA (Moving Average, MA) indicators from two timeframes. Two indicators with averaging periods 1 and 8 are created on the H1 timeframe and two indicators with averaging periods 1 and 8 are also created on the H4 timeframe.

Compute the daylight saving time changes (start/end of the summer time).

Frequent array operation methods.

A simple and easy to understand function that calculates todays profit, written to the Expert Journal.

This is a basic library to create and manage grids.

The indicator plots Murrey Math Lines for all available history, it doesn't uses any objects.

This Expert Advisor uses the Index Moving Average indicator.

This trend indicator is based on moving averages.

Kaufman Efficiency Ratio (also called "generalized fractal efficiency") according to Perry Kaufman books "Smarter Trading" and "New Trading Systems & Methods".

Four digital filters that form the basis of the V. Kravchuk's AT&CF method in one separate window.

Indicador Klinger Volume Oscillator colorido com a possibilidade de selecionar seu algoritmo de suavização dentre as dez possíveis variantes.

The indicator marks possible trend reversals.

The indicator of covariation, correlation and Beta ratio of two symbols.

Value Charts is a detrended price indicator, it shows the overbought and oversold states using the detrended price extremes.

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