This article was inspired by a marketing email I recently received from Wealthsimple. The subject line read: " Coming soon: margin trading ". The email goes on to say "Margin trading can help you boost your buying power by borrowing against your portfolio. Applying for your account is fast, hassle-free, and there are no hidden fees. Best of all, our margin interest rate are as low as prime - 0.5% — lower than what you’d pay at your bank." In fairness to Wealthsimple, the email further explains what margin trading is, how it works, and what some of the risks are to using margin. It really got me thinking more about margin and leverage and especially the surprising findings regarding who can benefit the most from using margin and leverage. What is Margin and Leverage? Margin investing refers to borrowing funds from a brokerage firm to purchase securities, using investments like stocks and bonds already in your account as collateral. This allows you to buy more