For instance, if you opened a long trade on the GBP/USD currency pair, and the pair increased in value, the price limit at which the trade should close (the stop loss) would climb alongside the price of the currency pair. If the value of the GBP/USD then started to fall, the trade would be closed as soon as it hit your stop loss, preserving any profits you had made beforehand.
Asset market model: views currencies as an important asset class for constructing investment portfolios. Asset prices are influenced mostly by people's willingness to hold the existing quantities of assets, which in turn depends on their expectations on the future worth of these assets. The asset market model of exchange rate determination states that “the exchange rate between two currencies represents the price that just balances the relative supplies of, and demand for, assets denominated in those currencies.”

In return for executing your buy and sell orders, forex brokers will either take a commission per trade or a spread. A spread is the difference between the bid price and ask price for the trade. The asking price is the lowest price that a currency pair will be offered for sale and the bidding price is always lower. When forex brokers successfully execute a buy with the lower bid, they will take that difference — the spread — as payment.
One has to adopt one or many strategies in order to minimise losses and maximise profits. As market conditions vary from day to day, so should a day trader's strategy. A successful day trader has to come up with a new strategy almost every other day, or at least adjust their existing strategy to the new market conditions. In order to day trade Forex successfully, a creative mind is needed.
The number quoted for these prices is based on the current exchange rate of the currencies in the pair, or how much of the second currency you would get in exchange for one unit of the first currency (for instance, if 1 EUR could be exchanged for 1.68 USD, the bid and ask price would be on either side of this number). Learn more about Forex quotes in this article: Understanding and Reading Forex Quotes.

The foreign exchange market – also called forex, FX, or currency market – was one of the original financial markets formed to bring structure to the burgeoning global economy. In terms of trading volume it is, by far, the largest financial market in the world. Aside from providing a venue for the buying, selling, exchanging and speculation of currencies, the forex market also enables currency conversion for international trade settlements and investments. According to the Bank for International Settlements (BIS), which is owned by central banks, trading in foreign exchange markets averaged $5.1 trillion per day in April 2016.
Forex trading scams are a concern for even the savviest investor. Foreign exchange fraud has been on the rise for the last few decades, leading the Commodities Futures Trading Commission and other agencies to deploy task forces analyzing and curtailing schemes. The ingenuity of fraudulent schemes, whether they’re based on phony software or creating fake accounts, increases, but their telltale signs remain largely the same. Steer clear of forex brokerages promising sure wins, fast results, or secret formulas for success. The market has proved time and again that there are no shortcuts. Scammers bank on the human propensity to believe otherwise.

Volatility is what keeps your trading activity moving. However, if you're not careful it can also completely destroy it. When volatile, the market moves sideways, which makes spreads grow and your orders slip. As a beginner Forex trader, you need to accept that once you are in the market, anything can potentially happen, and it can completely negate your strategy.
In particular, you should look for a Forex broker that has a major presence in your country or, at a minimum, offers phone and email support in your language. A broker with an efficient customer enquiry and complaints procedure will ensure that if an enquiry is filed by a Forex trader and cannot be resolved within a few hours, it is immediately forwarded to the customer support desk or compliance department.

Investors – Investment firms who manage large portfolios for their clients use the Fx market to facilitate transactions in foreign securities. For example, an investment manager controlling an international equity portfolio needs to use the Forex market to purchase and sell several currency pairs in order to pay for foreign securities they want to purchase.

Major Currency — currencies from the world’s most developed economies including Europe, Japan, Canada, and Australia — represent the most heavily traded and liquid currency markets for any forex trader. A major currency pair is created when one of these currencies is traded against the U.S. dollar. Examples include Euro vs. the U.S. Dollar (EUR/USD) and the U.S. Dollar vs. the Canadian Dollar (USD/CAD). Their availability on a forex brokerage is essential.
The main participants in this market are the larger international banks. Financial centers around the world function as anchors of trading between a wide range of multiple types of buyers and sellers around the clock, with the exception of weekends. Since currencies are always traded in pairs, the foreign exchange market does not set a currency's absolute value but rather determines its relative value by setting the market price of one currency if paid for with another. Ex: US$1 is worth X CAD, or CHF, or JPY, etc.
A swap trade involves both. Dealers buy a currency at today's price on the spot market and sell the same amount in the forward market. This way, they have just limited their risk in the future. No matter how much the currency falls, they will not lose more than the forward price. Meanwhile, they can invest the currency they bought on the spot market.
At the end of 1913, nearly half of the world's foreign exchange was conducted using the pound sterling.[24] The number of foreign banks operating within the boundaries of London increased from 3 in 1860, to 71 in 1913. In 1902, there were just two London foreign exchange brokers.[25] At the start of the 20th century, trades in currencies was most active in Paris, New York City and Berlin; Britain remained largely uninvolved until 1914. Between 1919 and 1922, the number of foreign exchange brokers in London increased to 17; and in 1924, there were 40 firms operating for the purposes of exchange.[26]
To use Gold CFD as an example, at the time of writing, to purchase an ounce of Gold you would need to spend 1,200 USD. However, with a leverage rate of up to 1:20 (which means a trader could trade up to 20 times the value of what they deposit), a trader could trade on the full value of an ounce of gold (equivalent to 1,200 USD), for a deposit of just 60 USD.

Swing trading: Swing trading is a medium-term trading approach that focuses on larger price movements than scalping or intraday trading. This means that traders can set up a trade and check in on it within a few hours, or a few days, rather than having to constantly sit in front of their trading platform, making it a good option for people trading alongside a day job.
Every broker offers a demo account – whether you are a beginner or not, test every new strategy there first. Keep going until the results are conclusive and you are confident in what you are testing. Only then should you open a live account and use your strategy in the smallest volume trades available. Be sure to treat your demo account trades as if they were real trades. You may also use Forex simulation software to simulate market conditions, and create an impression of a live trading session.
Risk/reward signifies how much capital is being risked to attain a certain profit. If a trader loses 10 pips on losing trades but makes 15 on winning trades, she is making more on the winners than she's losing on losers. This means that even if the trader only wins 50% of her trades, she will be profitable. Therefore, making more on winning trades is also a strategic component for which many forex day traders strive.
In a short setup, the market needs to be trading below the 21 EMA first. As the market retraces back to the moving average, day traders may be anticipating a turn lower from it. Therefore, if a seller bar forms on the moving average it could be a sign of further selling momentum. However, a stop loss is always used to minimise losses in case the market turns the other way.

Most retail investors should spend time investigating a forex dealer to find out whether it is regulated in the U.S. or the U.K. (dealers in the U.S. and U.K. have more oversight) or in a country with lax rules and oversight. It is also a good idea to find out what kind of account protections are available in case of a market crisis, or if a dealer becomes insolvent.