Conceivably, an individual can purchase the currency with higher rate of interest, and short the one with lower rate of interest. There are primarily five varieties of currencies in the currency market. Plus 11 account currencies offered that you choose from. All currencies are usually quoted in U.S. dollar provisions. Currencies with a tall deviation seem less interesting to trade since they are less predictable. In case the currency reaches that stage, you will automatically stop trading. The two currencies that produce the pair reflect the strength of their various economies.