Mql5官网 CloseBy BreakEven MT4 外汇EA

The script allows to close part of opened position if this position has some profit.

You just need to drop this script on the chart with a desired currency pair. 

Let’s say you have 1 lot for a Long position with positive profit. With this script you can close any part of the 1 lot (input parameter LotCoeff from 0.1 to 0.9) and remain (for example, 0.4 lot) will have a BreakEven StopLoss.

Before placing an opposite orders, the input window is opened allowing you to modify all input parameters: 

• LotCoeff    = 0.5; // from 0.1 to 0.9;
• LongPos     = true; // if TRUE only Long position from the current currency pair will be search and update;
• ShortPos    = false; // if TRUE onlyShort position from the current currency pair will be search and update;
• Slippage    = 20;
• MagicNum  = 12345.

Attention: You have to Allow automated trading on the Expert Advisors tab (Tools->Options). In the input window, you have to allow auto trading.