How Currency Exchange Works
Anybody interested in making foreign exchange investments needs to know a little about the currency market and how it works.
Currency exchange is short for foreign exchange, and the most typical way of earning from this market is to take part in foreign exchange or currency trading. This is a bit like stock trading, but with some important differences.
First, rather than dealing in stocks through the national stock exchange, foreign exchange traders deal internationally by exchanging one currency for another. They wait for the price to change, which with luck and/or good analysis will be a change in their favor, and then they exchange the currency back to shut out the trade with a profit.
2nd, foreign exchange investments are not likely to be held for the long-term, by which we mean more than one or two months at the most. Currency prices are relative to one another, so they do not boom and bust in the same way as stocks.
It is possible that a stockholder might identify a country in the developing world that was sure to perform well in the long run and invest in that nation’s currency for a few years. However, most players in the foreign exchange market are not doing this. They are identifying short to medium term trends in the costs of currency pairs (say, the US greenback against the euro) and purchasing (going long) or selling (going short) the pair in the hope of earning money fast. Day trading is common, and a trade that is held over a couple of weeks would be considered a long term trade in the forex market.