When a trader decides to trade in the forex market, he or she must first open a margin account with a forex broker. Usually, the amount of leverage provided is either 50:1, 100:1 or 200:1, depending on the broker and the size of the position that the investor is trading. What does this mean? A 50:1 leverage ratio means that the minimum margin requirement for the trader is 1/50 = 2%. A 100:1 ratio means that the trader is required to have at least 1/100 = 1% of the total value of trade available as cash in the trading account, and so on. Standard trading is done on 100,000 units of currency, so for a trade of this size, the leverage provided is usually 50:1 or 100:1. Leverage of 200:1 is usually used for positions of $50,000 or less.
The carry trade opportunity was also seen in USD/JPY in 2005. Between January and December of that year, the currency rallied from 102 to a high of 121.40 before ending at 117.80. This is equal to an appreciation from low to high of 19%, which was far more attractive than the 2.9% return in the S&P 500 during that same year. In addition, at the time, the interest rate spread between the U.S. dollar and the Japanese yen averaged around 3.25%. Unleveraged, this means that a trader could have earned as much as 22.25% over the course of the year. Introduce 10:1 leverage, and that could be as much as 220% gain.
Between 2003 and the end of 2004, the AUD/USD currency pair offered a positive yield spread of 2.5%. Although this may seem very small, the return would become 25% with the use of 10:1 leverage. During that same time, the Australian dollar also rallied from 56 cents to close at 80 cents against the U.S. dollar, which represented a 42% appreciation in the currency pair. This means that if you were in this trade – and many hedge funds at the time were – you would have not only earned the positive yield, but you would have also seen tremendous capital gains in your underlying investment. 
Forex, also known as foreign exchange, FX or currency trading, is a decentralized global market where all the world's currencies trade. The forex market is the largest, most liquid market in the world with an average daily trading volume exceeding $5 trillion. All the world's combined stock markets don't even come close to this. But what does that mean to you? Take a closer look at forex trading and you may find some exciting trading opportunities unavailable with other investments.

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When a trader decides to trade in the forex market, he or she must first open a margin account with a forex broker. Usually, the amount of leverage provided is either 50:1, 100:1 or 200:1, depending on the broker and the size of the position that the investor is trading. What does this mean? A 50:1 leverage ratio means that the minimum margin requirement for the trader is 1/50 = 2%. A 100:1 ratio means that the trader is required to have at least 1/100 = 1% of the total value of trade available as cash in the trading account, and so on. Standard trading is done on 100,000 units of currency, so for a trade of this size, the leverage provided is usually 50:1 or 100:1. Leverage of 200:1 is usually used for positions of $50,000 or less.
Unlike futures and stock brokers that offer limited leverage or none at all, the offers from FX brokers are much more attractive for traders that are aiming to enjoy the maximum gearing size. It is hard to indicate the size of the leverage that a Forex trader should look for, yet most of the Forex broker leverages available start at 100:1 and tend to be an average of 200:1. There are also many brokers that can supply 1:500 leverage.
The concept of leverage is used by both investors and companies. Investors use leverage to significantly increase the returns that can be provided on an investment. They lever their investments by using various instruments that include options, futures and margin accounts. Companies can use leverage to finance their assets. In other words, instead of issuing stock to raise capital, companies can use debt financing to invest in business operations in an attempt to increase shareholder value.  

In every foreign exchange transaction, you are simultaneously buying one currency and selling another. In effect, you are using the proceeds from the currency you sold to purchase the currency you are buying. Furthermore, every currency in the world comes attached with an interest rate set by the central bank of that currency's country. You are obligated to pay the interest on the currency that you have sold, but you also have the privilege of earning interest on the currency that you have bought. For example, let’s look at the New Zealand dollar/Japanese yen pair (NZD/JPY). Let’s assume that New Zealand has an interest rate of 8% and that Japan has an interest rate of 0.5% In the currency market, interest rates are calculated in basis points. A basis point is simply 1/100th of 1%. So, New Zealand rates are 800 basis points and Japanese rates are 50 basis points. If you decide to go long NZD/JPY you will earn 8% in annualized interest, but have to pay 0.5% for a net return of 7.5%, or 750 basis points.
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