The world's currency markets can be viewed as a huge melting pot: in a large and ever-changing mix of current events, supply and demand factors are constantly shifting, and the price of one currency in relation to another shifts accordingly.

How do market makers manage their exposure? The way most market makers hedge their exposure is to hedge in bulk. They aggregate all client positions and pass some, or all, of their net risk to their liquidity providers.

Buy signal: when the instrumentís price rises above its moving average.