This is what makes oil and gasoline trading a bit more unique and outside the field. From precious metals to agri merchandise and from industrial by-products to even scrap steel – its all traded and somebody has to do the trading. Most of the trading still occurs using derivatives in fact – choices and futures. You could possibly be someone sitting at home and doing day trading or someone with a PhD in Quantum Physics constructing tremendous advanced buying and selling fashions that transfer billions of dollars each day. Its a kind of filed the place what you get is decided by what you set in.