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Check out the new article: Implementing Partial Position Closing in MQL5.

This article develops a class for managing partial position closing in MQL5 and then integrates it into an Order Blocks Expert Advisor. It also presents test results comparing the strategy with and without partial position closing, and analyzes the conditions under which this approach can help provide and maximize profit. In conclusion, partial position closing can be highly beneficial in trading strategies, especially those focused on wider price movements.

To integrate partial position closing in MQL5, you can use a simple approach: define Take Profit levels at which a certain percentage of the current position volume will be closed. For example, close 30% of the volume when the price reaches the specified level.

There are many ways to define these levels. One option is to use support and resistance levels as a reference. Another is to wait for certain market conditions, such as overbought or oversold states, and perform a partial close when those conditions are met. Both methods can be programmed, but in this article we will focus on the most direct approach: working with predefined Take Profit levels.

Defining Take Profit levels
A Take Profit level is the price at which a partial close is executed.

• For a buy position, the level must be above the opening price but below the initial Take Profit level.
• For a sell position, the level must be below the opening price but above the initial Take Profit level.

Thus, partial position closing can be displayed visually on the chart. For example, if three levels are specified, they will be shown as intermediate points between the entry price and the final Take Profit level.

Author: Niquel Mendoza