History of MQL5.community development

Cluster indicators are sets of indicators that divide currency pairs into separate currencies. Indicators allow to trace the relative currency fluctuation, determine the potential of forming new currency trends, receive trade signals and follow medium-term and long-term positions.

An idea of testing the hedge Expert Advisors using the strategy tester.

The article describes how to use indicators to watch the situation on financial markets online.

The article describes the usage of virtual trading as an integral part of trade opening filter.

The article describes the methods of how to understand the tester optimization results better. It also gives some tips that help to avoid "harmful optimization".

The article will help newbies in trading to create flexibly adjustable Expert Advisors.

This article contains the concept of operation time that allows to receive more even price flow. It also contains the code of the changed moving average with an allowance for this time transformation.

In this article an example of optimization by profit/drawdown criterion with results returned into a file is developed for a standard Expert Advisor - Moving Average.

The article answers the question: Why can the impossible become possible where much suggests otherwise? Technical analysis reasoning.

The article deals with breakpoint emulation when passed through Tester, debug information being displayed.

We all are aware of that "No profit obtained in the past will guarantee any success in future". However, it is still very actual to be able to estimate trading systems. This article deals with some simple and convenient methods that will help to estimate trade results.

This article contains a detailed description of the Martingale system, as well as precise mathematical calculations, necessary for answering the question: "Is it reasonable to use Martingale?".

The article describes construction of fractal lines of various types using trend lines and fractals.

This is the third article from the series "MQL4 Language for Newbies". Now we will learn to use built-in functions and functions for working with technical indicators. The latter ones will be essential in the future development of your own Expert Advisors and indicators. Besides we will see on a simple example, how we can trace trading signals for entering the market, for you to understand, how to use indicators correctly. And at the end of the article you will learn something new and interesting about the language itself.