Selecting "Close position" will show you the following screen, allowing you to close your trade at the current or a limit price.
Glossary for the image above:
To close your position, you can choose to sell at the current market price or set a specific limit price. You can also select to close your full position or a portion of it by choosing the percentage options.
To close the position based on your selection, use the "Confirm" button at the bottom.
If you want to cancel and return to the previous screen, use the "X" button at the top right.
