Online share trading FAQs What is a share trading platform? A share trading platform is an online service that allows you to buy and sell shares, ETFs and other securities on the stock market. Can beginners use online share trading platforms? Yes. Many platforms cater to beginners with low fees, user-friendly apps and educational resources. How do I choose the right platform? Compare based on your goals, preferred markets (ASX, US, global), trading frequency and budget.