Speculation: the market volume and pricing as a result, the purpose of profit-making trading strategy. With a system called credit and leverage in the system, the risk is greater.

Hedge: a risk which is received in return, to reduce the risk of a type of transaction. This risk is between two currencies, one against the other due to the change in value. Such transactions typically commercial purposes. Hedge transactions, the risk is zero.

Arbitrage: a derivative of the product in two different markets, traded with the targeted profit. Low-risk type, this process is called arbitrage.