Gold you can buy 100,000,000 million worth of gold and sell it for $150,000,000 profit. penny stocks and daytrading stocks or daytrading futures no way you can make $50,000,000 in one trade. or short term trading illiquid stocks or options. because there is not enough money on the table to take in some stocks or contracts known as money on the table. or pot like they say in the casino. or lottery. you have three years to buy it.