From the studies over the years, most trades in the forex market are done between banks and this is called interbank. Banks make up about 50 percent of the trading in the forex market. So, if banks are widely using this method to make money for stockholders and for their own bettering of business, you know the money must be there for the smaller investor, the fund mangers to use to increase the amount of interest paid to accounts. Banks trade money daily to increase the amount of money they hold. Overnight a bank will invest millions

WHY FOREX IS DIFFERNT FROM STOCKS