Assume The Initial Margin Is 50% And The Maintenance Margin Is 30%. Assume the initial margin is 50 % and the maintenance margin is 30 %. You purchased 200 shares of abc common stock on margin at $60 per share. Web you purchased 200 shares of abc common stock on margin at $ 50 per share. Assume The Initial Margin Is 50% And The Maintenance Margin Is 30%. Web up to $2.