Unlike a stock market, the foreign exchange market is divided into levels of access. At the top is the interbank foreign exchange market, which is made up of the largest commercial banks and securities dealers. Within the interbank market, spreads, which are the difference between the bid and ask prices, are razor sharp and not known to players outside the inner circle. The difference between the bid and ask prices widens (for example from 0 to 1 pip to 1–2 pips for currencies such as the EUR) as you go down the levels of access. This is due to volume. If a trader can guarantee large numbers of transactions for large amounts, they can demand a smaller difference between the bid and ask price, which is referred to as a better spread. The levels of access that make up the foreign exchange market are determined by the size of the "line" (the amount of money with which they are trading). The top-tier interbank market accounts for 51% of all transactions.[60] From there, smaller banks, followed by large multi-national corporations (which need to hedge risk and pay employees in different countries), large hedge funds, and even some of the retail market makers. According to Galati and Melvin, “Pension funds, insurance companies, mutual funds, and other institutional investors have played an increasingly important role in financial markets in general, and in FX markets in particular, since the early 2000s.” (2004) In addition, he notes, “Hedge funds have grown markedly over the 2001–2004 period in terms of both number and overall size”.[61] Central banks also participate in the foreign exchange market to align currencies to their economic needs.

It’s great having an effective once a day trading method and system. However, even a consistent strategy can go wrong when confronted with the unusual volume and volatility seen on specific days. For example, public holidays such as Christmas and New Year, or days with significant breaking news events, can open you up to unpredictable price fluctuations.
Define your investment level: One of the most common questions about trading Forex is 'how much do I need to start trading?' For beginner traders, it's a good idea to start small and work your way up. Fortunately, many Forex brokers have reasonable minimum deposit levels for opening an account. At Admiral Markets for example, the minimum deposit amount is $200. Be wary of any brokers offering bonuses for certain deposit levels, as these might be scams, where it is very difficult to withdraw your money in the future.
Traders at the banks would collaborate in online chat rooms. One trader would agree to build a huge position in a currency, then unload it at 4 p.m. London Time each day. That's when the WM/Reuters fix price is set. That price is based on all the trades taking place in one minute. By selling a currency during that minute, the trader could lower the fix price. That's the price used to calculate benchmarks in mutual funds. Traders at the other banks would also profit because they knew what the fix price would be.
In every part of life, discipline is important, but neglecting discipline in day trading may potentially result in huge losses. Success without discipline is practically impossible. You need to be able to monitor prices for extended periods of time without making any rash trading decisions. This is hard and requires lots of discipline. Sometimes seeing profitable market moves that you have predicted but did not execute is painful, yet it is better to waste an opportunity, than to guarantee a loss.
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One unique aspect of this international market is that there is no central marketplace for foreign exchange. Rather, currency trading is conducted electronically over-the-counter (OTC), which means that all transactions occur via computer networks between traders around the world, rather than on one centralized exchange. The market is open 24 hours a day, five and a half days a week, and currencies are traded worldwide in the major financial centers of London, New York, Tokyo, Zurich, Frankfurt, Hong Kong, Singapore, Paris and Sydney—across almost every time zone. This means that when the trading day in the U.S. ends, the forex market begins anew in Tokyo and Hong Kong. As such, the forex market can be extremely active any time of the day, with price quotes changing constantly.