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How to Write an Expert Advisor or an Indicator

MQL4 Source Codes of Expert Advisors for MetaTrader 4 - 24

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Various applications to automate analysis and trading are available in the 'Expert Advisors' section. It features various applications based on different trading algorithms and provides different degrees of automation. You can find simple EAs and complex trading robots that can fully automate analysis and trading processes.

These applications can be downloaded and run in MetaTrader 4. It is recommended to test and optimize Expert Advisors in the Strategy tester. The Expert Advisors from the library can be accessed from the MetaTrader 4 platform and the MetaEditor development environment.

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It is shown how you can open positions for 12 symbols available and for 4 timeframes using only one EA attached to only one chart.

Regression Channel Indicator and Expert Advisor

Somebody wrote on the forum: "Lots reserve - does anybody have somthing like this?" I answer yes. The EA determines it.

MACD and averages. A co-developing.

A simple EA that uses 2 indicators AO and RAVI (attached) in its working. NOT OPTIMIZED!!! Good results on EUR/USD - H1.

This EA is based on the statistics with an element of Martingale.

The concept of this EA is to monitor several indicators and trade based on a value returned by those indicators.

TS based on the intersection of two MAs filtered by the CCI signals.

МТS performs a trading oriented at the panic, publishing of the important economical indexes at the FOREX market.

Do you have the need to take the opposite side of a trade? Using manual trading or another EA, EES Hedger can immediately take the opposite position as specified in EA parameters. Instructions: For example, you are trading SAR EA on GBPUSD and SAR

An EA that writes the time of disconnections from the server into a file.

The EA was developed on the basis of the Sidus indicator. It trades on EURUSD H1. Shows good results on the history after optimization. The test was performed on the quotes from http://metaquotes.ru/ and "Alpari" DC.

This expert dertemines the trend at a specific time then it goes in the opposite side

х1

A simple indicatorless system based on the adding of the position with a decreased lot until the reaching of the necessary profit level.

In this issue we will view the strategy called Moving Average Position System developed by the reader of our forum, Andrey. The strategy uses the only one indicator and the combined system of capital management.

I've tested the EA on EUR/USD M15, it uses stochastic and RSI.

The EA works with 4 symbols.

Trade symbol: various Time frame: H4 Indicators used: EMA, SMA, MACD, RSI, Bollinger Bands, Parabolic SARS

A regular release of an EA by the ZigAndZag indicator.

This expert is based on the famous DeMark Lines indicator.

This is not an automatic system. It is fully manual.

An expert advisor that makes a decision on the basis of the indistinc logic (so-called Fuzzy logic). The A. Nedosekin's (http://sedok.narod.ru/scoring_USA.html) materials were used during the development of the classificator and the resultant for ranks.

An implementation of all patterns FOREX MACD 4H strategy in one EA.

The EA trades based on the trend continuation pattern of the MACD indicator.

A pipser.

This expert is based on the Trix indicator created by raff1410

An excellent work for the future. A high profitableness.

EA named "gazonkos" produces small profits, but does it often.

Almost classical TS based on the intersection of two MA.

Who wanted 5 points per day?

This expert advisor is based on the 3MACross indicator.

Lot = 0.2, you can change into 0.1 or set whatever value you want

The EA was developed to test the strategy published at "Kroufr".

A trade system in the Price Channel based on kickback

An EA that demostrates the excellent properties on the H1 with EUR/USD. The MA indicators were used.

The parameters of working - Places two starting pending orders for buying and selling (the size of the lot is calculated automatically on the basis of the deposit size and the maximum increase of leverage from 0.01 to 0.07 lots) taking into account th

A trade strategy that functions with the pattern MACD "head and shoulders"

At Bookkeeper's request, I've made an "egzpert advizor" by the ZigAndZag indicator, published at: http://codebase.mql4.com/ru/3681

The EA uses 5 indicators.

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