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BACKGROUND
The Foreign Exchange market, also referred to as the “Forex”
or “FX” market, is the largest financial market in
the world, and according to industry sources has a daily average
turnover of well over US$1 trillion -- 30 times larger than the
combined volume of all U.S. equity markets.
QUOTING CONVENTIONS
As with all financial products, FX quotes include a ‘bid’
and ‘offer’. The ‘bid’ is the price at
which a dealer is willing to buy (and clients can sell) the base
currency for the counter currency. The ‘ask’ is the
price at which dealers will sell (and clients can buy) the base
currency for the counter currency.
The US dollar is the centerpiece of the Forex market and is normally
considered the ‘base’ currency for quotes. In the
“Majors”, this includes USD/JPY, USD/CHF and USD/CAD.
For these currencies and many others, quotes are expressed as
a unit of $1 USD per the other currency quoted in the pair. The
exceptions to USD-based quoting include the Euro, British pound
(also called Sterling), and Australian dollar. These currencies
are quoted as dollars per foreign currency as opposed to foreign
currencies per dollar.
To illustrate a typical FX trade, consider the following example.
The current bid/ask price for USD/CHF is 1.1822/1.1827, meaning
you can buy $1 US for 1.1827 Swiss Francs.
Suppose you decide that the US Dollar (USD) is undervalued against
the Swiss Franc (CHF). To execute this strategy, you would buy
Dollars (simultaneously selling Francs), and then wait for the
exchange rate to rise.
So you make the trade: purchasing US$100,000 and selling 118,270
Francs. (Remember, at 2% margin, your initial margin deposit would
be $2,000.)
As you expected, USD/CHF rises to 1.2035/40. You can now sell
$1 US for 1.2035 Francs or buy $1 US for 1.2040 Francs. Since
you bought Dollars and sold Francs in your previous trade, you
must now sell Dollars for Francs to realize any profit. If you
sell US$100,000 at the current USD/CHF rate of 1.2035, you will
receive 120,350 CHF.
Since you originally sold (paid) 118,270 CHF, your profit is
2080 CHF. To calculate Dollar-based P&L, simply divide 2080
by the current USD/CHF rate of 1.2040.
Total profit = US $1727.57
FACTORS EFFECTING THE MARKET
Currency prices are affected by a variety of economic and political
conditions, most importantly interest rates, inflation and political
stability. Moreover, governments sometimes participate in the
Forex market to influence the value of their currencies, either
by flooding the market with their domestic currency in an attempt
to lower the price, or conversely buying in order to raise the
price. This is known as Central Bank intervention. Any of these
factors, as well as large market orders, can cause volatility
in currency prices. However, the size and volume of the Forex
market makes it impossible for any one entity to "drive"
the market for any length of time.
FUNDAMENTAL vs TECHNICAL ANALYSIS
Currency traders make decisions using both technical factors
and economic fundamentals. Technical traders use charts, trend
lines, support and resistance levels, and numerous patterns and
mathematical analyses to identify trading opportunities. Fundamentalists
predict price movements by interpreting a wide variety of economic
information, including news, government-issued indicators and
reports, and even rumour.
The most dramatic price movements however, occur when unexpected
events happen. The event can range from a Central Bank raising
domestic interest rates to the outcome of a political election
or even an act of war. Nonetheless, more often it is the expectations
surrounding an event that drives the market rather than the event
itself.
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