Forex Keys

In forex there are many key indicators which work for you but its all your experience. In the economic literature, you find the value of bilateral exchange rates, for example, the exchange rate of the euro against the dollar, the pound sterling against the yen, and so on.
In the latter case, the variability of the exchange rate is less since the average will be "smooth" fluctuations in the period. Which also known as Moving Averages. You can also find multilateral exchange rate. It is in fact an index of bilateral exchange rates, ie a weighted average of the value of a currency expressed in different currencies. In Forex you have many group but best is go with top like USA and UK markets.