In the futures market, futures contracts are bought and sold based upon a standard size and settlement date on public commodities markets, such as the Chicago Mercantile Exchange. In the U.S., the National Futures Association regulates the futures market. Futures contracts have specific details, including the number of units being traded, delivery and settlement dates, and minimum price increments that cannot be customized. The exchange acts as a counterpart to the trader, providing clearance and settlement.
It's easy for traders to feel confident in their ability to remain calm and collected during their trading sessions before the market opens. However, once the clock starts it's a different story. When faced with real financial decisions, it's very easy for emotions to come into play. We can't avoid our emotions, but we can learn to work around them.

This is great, as the markets are open so long, we can enter or close a trade whenever we need to, whereas if you were trading stocks on the NYSE you can only trade during market hours, and once the market is closed you have to wait until the next trading day to trade your position. This forex help tip can really save you when there is a big unexpected political or news release and you need to close your position right away.
Since the market is made by each of the participating banks providing offers and bids for a particular currency, the market pricing mechanism is based on supply and demand. Because there are such large trade flows within the system, it is difficult for rogue traders to influence the price of a currency. This system helps create transparency in the market for investors with access to interbank dealing.