Short Sales: Example How much cash and securities must you put into your brokerage account if the broker's initial margin requirement is 50%? You are shorting 100 x $50 = $5,000 A 50% initial margin would require $2,500 Short Sales: Example You are bearish on ICM. The current market price is $50 per share and you want to sell short 100 shares. . If the price falls to $40, what is the stock retum? What is your return? Short Sales: Example You are bearish on ICM. The current market price is $50 per share and you want to sell short 100 shares. If the price goes up to $60, what is the stock retum? What is your return