What is OnTimer MQL4?
OnTimer. The OnTimer() function is called when the Timer event occurs, which is generated by the system timer only for Expert Advisors and indicators – it can’t be used in scripts.
How do I optimize in MT4?
Optimization represents consecutive passes of the same expert with different inputs on the same data….Setup
- select an expert and its inputs.
- select a symbol and its timeframe.
- select one of three bar modeling methods.
- set up the time span for optimization (optional)
What does modeling quality mean MT4?
A modelling quality have a connection with broker’s M1 historical data and if a broker have M1 clean history without any errors in chart or gaps then you will get better quality.
What is profit factor in MT4?
Profit factor – the ratio between total profit and total loss in per cents. One means that total profit is equal to total loss; Expected Payoff – mathematical expectation of win.
What is manual backtesting?
Manual backtesting refers to a process where traders analyse past trades based on their strategies, and then add up the results themselves.
What is Rates_total?
then the rates_total variable contains the value of the total number of elements of the price array, passed as an input parameter for calculating indicator values.
Is new candle MQL4?
Conclusion on MQL4 On New Bar Coding an MQL4 “On New Candle” routine is simple and can resolve several headaches. If you want to save hours of research and coding and if you want to see some professional code, you can have a look at our MT4 Expert Advisor Template.
What is genetic algorithm MT4?
What Are Genetic Algorithms? The MetaTrader 4 platform now offers genetic algorithms of optimization the Expert Advisors’ inputs. They reduce optimization time significantly without any significant invalidation of testing.
How do you get 99% modeling quality in MT4?
I will copy the same step wise with minor changes.
- Step 1: Install Separate MT4 Platform. Install a new separate MT4 platform of your broker and keep it only for back testing purpose and don’t use this for trading.
- Step 2: Download Data.
- Step 3: Export Data to MT4.
- Step 4: Make Data Files Read Only.
What is sleep () in MQL4?
For realization of pauses, MQL4 has a function named Sleep() that takes as a parameter the value of the time interval expressed in the amount of milliseconds. The Sleep() function stops the execution of the program code and allows its continuation only after the given time interval has passed.
What is the return value of sleep () function in strategy tester?
No return value. The Sleep () function can’t be called for custom indicators, because indicators are executed in the interface thread and must not slow down it. The function has the built-in check of EA halt flag every 0.1 seconds. Sleep () function does not suspend execution of the Expert Advisor in the Strategy Tester.
What is the MQL4 program?
MQL4 Reference MQL4 programs Operation of Programs in the Strategy Tester. The Strategy Tester in MetaTrader 4 trading terminal allows you to test Expert Advisor’s performance on historical data. The features of program testing and optimization in the Strategy Tester should be considered when testing a trading robot:
Why the sleep () function can’t be called for custom indicators?
The Sleep () function can’t be called for custom indicators, because indicators are executed in the interface thread and must not slow down it. The function has the built-in check of EA halt flag every 0.1 seconds. Sleep () function does not suspend execution of the Expert Advisor in the Strategy Tester.