Metatrader 5 / Metatrader 4 for MQL5 / MQL4 articles preview

An indicator to report your brokers Bid/Ask spread levels. Now we can use MT5s tick data to analyze what the historic true average Bid/Ask spread actually have recently been. You shouldn't need to look at the current spread because that is available if you show both bid and ask price lines.

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As developers, we always want to have the ability to build programs faster while delivering them at higher quality. This ability can be learned by any developer regardless of your coding experience, computation power, and tools on your workspace, or your keyboard typing speed.

This article is an extended article of the previous part, consider reading it first if you haven’t already.

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• Better Programmer (Part 01): You must stop doing these 5 things to become a successful MQL5 programmer
• Better Programmer (Part 02): Stop doing these 5 things to become a successful MQL5 programmer
• Better Programmer (Part 03): Give Up doing these 5 things to become a successful MQL5 Programmer
• Better Programmer (Part 04): How to become a faster developer
• Better programmer (Part 05): How to become a faster developer

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Originally Posted by mql5

Attachment 43542

Contents

• Introduction
• How can probability theory be useful in market analysis?
• Specifics of applied probability theory for manual and automated trading
• Probability trees and hypotheses
• About fractals
• Bernoulli scheme
• Creating the first fractal
• Summary
• Conclusion

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Contents

• Introduction
• Assessing the possibilities of using fractals in trading
• Theoretical basis for building a universal fractal
• Writing the code to implement a universal fractal
• Deriving the first formula based on a symmetric fractal
• Evaluating the performance of the derived formula for all positive and real arguments
• Advanced fractal developed from the universal fractal
• Summarizing the results
• Conclusion
• References

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Before starting to code, there are certain habits that we need to add to our coding that can help us stay focused all the coding time. Most of the time we might find ourselves coding but not realizing that we are not being effective due to various reasons, such as lack of focus, having no plan or having poor plan of execution.

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• Better Programmer (Part 01): You must stop doing these 5 things to become a successful MQL5 programmer
• Better Programmer (Part 02): Stop doing these 5 things to become a successful MQL5 programmer
• Better Programmer (Part 03): Give Up doing these 5 things to become a successful MQL5 Programmer
• Better Programmer (Part 04): How to become a faster developer
• Better programmer (Part 05): How to become a faster developer
• Better Programmer (Part 06): 9 habits that lead to effective coding
• Better Programmer (Part 07): Notes on becoming a successful freelance developer

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Since machine learning has recently gained popularity, many have heard about Deep Learning and desire to know how to apply it in the MQL language. I have seen simple implementations of artificial neurons with activation functions, but nothing that implements a real Deep Neural Network. In this article, I will introduce to you a Deep Neural Network implemented in the MQL language with its different activation functions, such as the hyperbolic tangent function for the hidden layers and the Softmax function for the output layer. We will move from the first step through the end to completely form the Deep Neural Network.

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Freelance is one of the areas that are worth discussing in MQL5 as many developers would like to earn from their ability to code and others would like the challenge and the experience as well. These are the views that have been organized from me and others successful and unsuccessful experiences when it comes to freelancing. Through sharing these experiences, this article is aimed to improve anyone towards their path to becoming better programmers when it comes to freelance. In this article, you will see what worked and what didn't work for me and others just to give you an insight into your independent journey.

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The MQL5.com site features more than one thousand algo-trading articles, tens of thousands of free source codes and trader services where users can purchase trading applications or copy signals. In addition to implementing innovative trading functions in our platform and maintaining an ultimate infrastructure around it, we strive to provide the best user experience for our community members. Therefore, in addition to the convenient forum in 11 languages we have created the MetaTrader chat integrated with terminals. Use chats for private messages, create group chats or broadcast trading ideas to large audiences through channels.

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Contents

• Introduction
• 1. EA functionality after using the constructor
• 2. Constructor general algorithm
  
  • 2.1. STRUCT_POSITION structure
• 3. Adding the standard indicator — handling the Indicators Code.mq5 file
  
  • 3.1. Example of adding iRVI (Relative Vigor Index, RVI) indicator
• 4. Adding a custom indicator
• 5. We catch the transaction (simplified code)
  
  • 5.1. Getting to OnTick on a new tick
  • 5.2. OpenBuy function
  • 5.3. OnTradeTransaction
• 6. Creating an EA (position opening signals) using the constructor
  
  • 6.1. SearchTradingSignals function
• 7. Creating an EA (pending order signals) using the constructor
• Conclusion

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MetaTrader 5 terminal and MQL5 programming language are constantly evolving, expanding their market analysis features, tools for developing more complex trading robots, etc. One of the new terminal tools is the Economic Calendar that can be handled both manually and with the help of robots.
The built-in calendar is flexible enough. You can configure it on the Calendar terminal tab, install it on your website or download the mobile version. Being an algorithmic trader, I am mostly interested in the tool's programming features.

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The main objective of this article is to guide beginners to learn how to design their algorithmic trading system in MQL5 through learning some of the basics of MQL5 for a simple trading system idea which will be coded step by step through this article after explaining some of the MQL5 basics. We'll code them by scripts then we'll present the result after code execution. To enhance your understanding, I advise you to apply and code what you’ll read here by yourself as this will help you to understand concepts of mentioned codes deeply. And be noted that all created codes, programs, and trading strategies in this article are designed for educational purposes only, not for anything else. And be noted that we'll use MQL5 to write codes.

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