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How to Write an Expert Advisor or an Indicator

Top MQL4 and MQL5 source codes based on user ratings - 22

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Generic Index Indicator.

NEF

Indicator Nonlinear Ehlers Filter

DBB

Indicator Distance from Bollinger Bands.

An Expert Advisor based on iFractals (Fractals) and on custom indicator ExVol.

Oscillator Adaptable_CCI. Along with the calculation price and period, this indicator, unlike the standard one, allows you to change parameters, such as calculation range, correction coefficient, and smoothing method.

SuperTrend Dot indicator

Channel balance indicator

FX Trend trend-following indicator

Multi JMA Slopes indicator checks slopes of 5 (different period) Jurik Moving Averages (JMA) and adds them up to show overall trend.

Shadow True Strength Index

Bollinger Bands Outside Candle Alert indicator

Perfect trend line

Fractal Adaptive Moving Average -

Self Advance Decline line - with floating levels

The script exports summary of closed trades grouped by each trading day to .csv file

A class for easy access to the closed position properties.

Correlation phasor

A basic container for storing an ordered list of objects.

This is one of the important thing to consider in order to improve our strategy by calculating on average how much an asset moves, in which it will allow us to identify the best days to trade when the market moves the most as well as the worst days to trade in order to prevent trading during these days.

The Williams' A/D indicator is the accumulated sum of positive "accumulational" and negative "distributional" price movements. Divergences between the indicator and the price are a signals.

This indicator draws pivot points, resistances and supports.

The Rabbit indicator plots the true support/resistance levels for any currency pair.

When the chart symbol is changed, it will change symbols for all other charts.

Aroon Oscillator predicts price changes from trend to flat market conditions.

BrainTrend1Sig is an indicator for positions opening and closing. It indicates trend reversal points when a price reaches extreme values.

CStochasticOnArray class is designed for calculation of Stochastic indicator values on indicator buffers. The example of use of the class is provided.

The indicator displays the inclined trend line that sets the signal actuating level.

HLR

The HighestLowestRange (HLR) determines the relative price position in range of the several X bars ago. If price located at range bottom (new low), the indicator is equal to 0, if price position at the top of the range (new high), the indicator is equal to 1 (or 100%).

Trading signals module for MQL5 Wizard. ASCtrendSignal indicator's color dot serves as a market entry signal.

Trading signals module for MQL5 Wizard. Stalin indicator's color arrow serves as a market entry signal.

The CFastFile eliminates the need for an intermediate writing of data to the physical file on disk. It provides the significant acceleration when working with data.

Analyzed copy of ATC2012 current champion JPAlonso's EA.

The ZigZag drawn using Heikin Ashi extremums

The class is designed for calculation of the technical indicator Triple Exponential Moving Average (Triple Exponential Moving Average, TEMA) using the algorithm of the ring buffer.

An example of how to create a multicurrency Expert Advisor that trades using the Bollinger Bands indicator.

Normalized oscillator that uses Fisher's transformation, drawn in the form of a color histogram.

An example of posting a message containing an image on the MQL5.com website using the WebRequest() function. This is an example of how to authorize using a login and a password, and to insert an image into a text message.

Robot that trades the open sentiment of the market.

Averages indicator, which contains 18 types of averages available.

Volatility Quality Stridsman (histo).

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