1. Why Lot Size Calculation Matters in MQL5 When you develop an automated trading system in MQL5, also called an EA or Expert Advisor, lot size calculation, or trade volume calculation, is one of the […]
1. What Is MQL5 OrderSend()? OrderSend() is the MQL5 (MetaQuotes Language 5) function used to send actual trade orders to a broker.When you build an EA (Expert Advisor), this function becomes the core […]
1. What the MQL5 “array out of range” Error Means When developing in MQL5, you may see the following error in the log, compiler output, or while running the Strategy Tester. This error is a runtime er […]
1. What MQL5 iATR Is 1.1 Basics of ATR (Average True Range) ATR (Average True Range) is a technical indicator that measures the size of price movement, or volatility.Volatility shows “how much price i […]
1. What Is iCustom? Its Role in MQL5 iCustom is a MQL5 function used to call a custom indicator from an EA or script. In MetaTrader 5 (MT5), indicators are normally displayed on charts, but an EA can […]
1. What Is iMA? 1.1 The Role and Basic Concept of iMA iMA (Moving Average) is a standard MQL5 function used to obtain a moving average (MA: an indicator that smooths the average price over a fixed per […]
1. What Is MQL5 CopyBuffer? In MQL5, CopyBuffer is a function used to copy an indicator’s calculated results into an array.In MetaTrader 5, indicator values are not obtained directly. Instead, y […]