Introduction to Global Variables in Trading
Trading requires a solid grasp of terminology and ideas. Global variables confuse novices. This article will explain global factors in trading and how they affect trading tactics.
What’s global variables?
Global variables may be utilized anywhere in a software or trading system. Global variables are more general than local variables, which are bound to a block of code or function. They are usually specified outside of a function or method, making them available to the whole program.
Trading often uses global variables to store and alter data or parameters that various functions or strategies require. A global variable may hold a trading parameter like a moving average period or risk management guideline.
Global Variables in Trading: Pros and Cons
After learning about global variables, let’s discuss their pros and cons:
Advantages:
Easy retrieve: Global variables let you retrieve crucial data from anywhere in the application.
Code Reusability: Store widely used data in global variables to reuse code across strategies without duplication.
Centralized Control: Global variables make updating or changing data or settings for various methods easy.
Disadvantages:
Potential Conflicts: Global variables may be accessible from anywhere, so be careful when various techniques use the same one.
Global variables’ extensive accessibility makes it harder to track and troubleshoot mistakes.
System Performance: Overuse or poor use of global variables might impede operation.
Global variable best practices
These recommended practices can help you utilize global variables in your trading strategy efficiently:
Global variables should be named clearly and descriptively to improve readability and minimize misunderstanding.
Limited Global Variables: To avoid clutter and disputes, limit global variables in your software.
Encapsulation: Encapsulate global variables into a module or class to improve organization and maintainability.
Continuous modifications: Track global variable modifications to verify correctness and minimize unwanted repercussions.
Conclusion
Global variables provide simple access and modification of critical data across many functions or strategies in trading systems. To maximize global variables’ benefits, you must grasp their pros and cons and follow best practices.
Remember, global variables should be used wisely to improve trading strategy efficiency without affecting system performance or causing unforeseen conflicts.
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