Enter your sale of stocks by going to the 

• Income Tab > Investments > Capital Gains & Capital Gains Deduction Profile. 
• Check the top box that says you Sold Stocks and continue to the Capital Gains page.

Complete this screen for each disposition, entering your amounts converted to CAD. This will result in a Capital Gain calculated as the difference between your purchase price (Adjusted Cost Base) and sale price (Proceeds of Disposition) minus your fees (Outlays & Expenses).