How does my Stop Loss get activated?

• Closing of Buy orders is activated by the Bid Price.
  (chart line visible while hitting Stop Loss).
  
  
• Closing of Sell orders is activated by the Ask Price.
  (Stop Loss may occur on the prices not visible on the chart).

How do I enable my Ask Line?

• Right-click on the chart.

• Select Properties.

• Select Show Ask Line.