Quote from REDDEC:
YOU CAN'T TRADE THAT MANY CONTRACTS ON $50,000 ACCOUNT. YOU WOULDN'T HAVE ENOUGH FOR THE MARGINS. OIL EVEN DAYTRADING RATES IS AROUND $3000-5000 DEPENDING ON BROKERAGE. ON 50 LOTS YOU WOULD NEED AT LEAST 200,000 IN AN ACCOUNT TO TRADE THOSE NUMBERS.