MetaTrader Global

The current price shown on an MT4 chart is the bid price. When looking at a price bar or candle, you must add the spread to the high bid price to know what the high ask price would have been, or add the spread to the low bid price to know what the low ask [...]

Hot keys (accelerating keys) are keys and their combination’s that allow you to execute various commands fast and without the use of menus or toolbars. Here is a lit of some very useful hot keys for the MT4 platform:

Left Arrow — chart scrolling to the left;
Right Arrow — chart scrolling to the right;
Up Arrow — [...]

Development of applications for the MetaTrader 4 Client Terminal requires the knowledge of MQL4. This programming language MetaQuotes Language 4 is a fourth-generation language that has also been developed by MetaQuotes Software Corp. from their own many years experience. MQL4 is the first programming language to consider all niceties of trading on financial markets.
This present [...]

Templates can also be created for charts opened from the Strategy Tester and for charts opened independently.
To create a default template for charts opened from the Strategy Tester, you will need to save a template as “tester.tpl”.

For offline charts, the default template must be “offline.tpl”.

If the “offline.tpl” template is not found when an offline chart [...]

Use F12 to move through a chart bar by bar.
This function can be very useful when you develop and test your own trading strategies. Simply open a chart at the very beginning of the history (press Home) and move through it bar by bar.
Shift+F12 will move through the chart backwards.

Source: http://articles.mql4.com/189

By using Chart Templates the chart background, bars colors, indicators and objects can be saved and used on other charts.
To do this, setup any chart as you wish: set colors, superpose objects, attach indicators, etc. Then select the “Charts -> Template -> Save Template…” menu and save the obtained template as default.tpl

When placing orders from charts there is no need to remember which type of pending orders to use.

To place a pending order via a chart just right click with mouse on the desired point in the chart where you would like to place the order and select the “Trading” command in the menu. You will [...]

Many of you probably have considered the possibility of using neural networks in your EA. This subject was very hot specially after 2007 Automated Trading Championship and the spectacular winning by Better with his system based on neural networks. Many internet forums were flooded with topics related to neural networks and Forex trading. Unfortunately writing [...]

If you have several trading accounts, you are able to create a special profile for each account.
When you switch between accounts, the profiles will be opened automatically.
To create a profile, you must save it under the name which is exactly the same as the account number.

Source: http://articles.mql4.com/189

Introduction
What is an indicator? It is a tool intended for displaying a certain type of data. Usually it is information about the price series properties, exactly this type of indicators will be considered further.
Each indicator also has its own properties and characteristics: for example, the range of values, the overbuying/overselling zones, the line crossing, tops [...]

If you accidentally close a chart it can be reopened with all its settings using “File -> Open Deleted”.

Source: http://articles.mql4.com/189

To back test an expert advisor (EA) follow the steps below.

Open the Strategy Tester window by pressing Ctrl+R
Select the expert advisor you wish to back test
Select the symbol you wish to back test
Select a testing model (every tick model recommended)
Set a testing period
Press Start

To modify a working order or create a new Stop Loss and/or Take Profit order, double-click on one of these fields in the order line.

When the order window appears, enter the necessary values.

Source: http://articles.mql4.com/189

Press F10 to open the Popup prices window.
To enable the popup window to be “Always on the Top” right mouse click in the popup window. This will enable you quotes while working with other applications.

You can also select “Properties…” in the right click menu of the popup prices window, which will allow you to [...]

You can check the price range and the number of bars between two points using the ruler.
To do so, select the “Crosshair” object, click with the left mouse button on the first point in the chart and drag the cursor to the second point.

The first number (23) is the count of bars, the second number [...]

To print a chart, Press Ctrl+P.
By default the charts are printed in black and white, but they can also be printed in color. Just check the “Color print” field in the “Charts” tab of the “Tools -> Options” menu.

Source: http://articles.mql4.com/189

MetaTrader Expert Advisors file should have the file extension of .ex4 (compiled code) or .mq4 (sourse code). First it is necessary to copy this file to the folder Experts of the MetaTrader working directory (usually C:\Program Files\MetaTrader Broker Name or MetaTrader).

The second step is to restart MetaTrader. After the restart the expert should be added to the list of [...]

The Foreign Exchange (or Forex) trading uses currency markets from a variety of countries to create a trading market where billions and billions are traded and exchanged daily. If you aim to profit from Forex trading, then you would need to own every single pip that you can get. But this is easier said than done, [...]

Let’s look at how to optimize an expert advisor. In the example below we will look to optimize the size of stop loss and take profit.
Expert Optimization Steps
1. Open the Strategy Tester window by pressing Ctrl+R.

2. In the Strategy Tester window, select Expert Properties
3. Select the  Optimized parameters ( in our example stop-loss and stop-profit)

4. Enter the initial values of the [...]

In this article I would like to pay special attention to the program files folder of MetaTrader 4 client terminal. This is connected with the fact that already during the first meeting of the terminal and during all the other time of the serious work with it we often face the necessity to refer to [...]