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Chapter 1: What Is Forex and Why Trade It?

📖 From: Forex Trading Foundations 🕐 Reading time: 15 minutes 👤 By: Vadamalai Subramaniam, CMT, EPAT

Every day, trillions of dollars change hands in a market most people never think about. While you sleep, while you work, while you go about your daily routine, currencies are being bought and sold around the clock in what is arguably the largest financial market on the planet. This is the foreign exchange market, and it has been operating long before stock exchanges existed in their modern form.

When you have exchanged currency while traveling, you have used the forex market. The rate you received at that airport kiosk or bank was determined by the same forces that professional traders analyze every day. The difference is that professionals have learned to read these forces and position themselves accordingly.

This chapter will introduce you to the world of forex trading. We will look at what currencies are, why they fluctuate in value, and how this market became what it is today. More importantly, we will discuss whether forex trading is right for you, because this is not a decision to take lightly.

1.1 Introduction to Foreign Exchange

What Does "Forex" Mean?

Forex is short for "foreign exchange." You will also see it written as FX. Both terms refer to the same thing: the global marketplace where currencies are traded against each other.

When we say "traded against each other," we mean exactly that. In forex, you cannot buy dollars only. You must buy dollars with something else, like euros or pounds or yen. Every transaction involves two currencies simultaneously. The concept of currency pairs is fundamental to everything that follows, and we will explore it in depth in the next chapter.

For now, understand that forex trading is the act of speculating on whether one currency will strengthen or weaken relative to another. If you believe the euro will rise against the US dollar, you buy euros with dollars. If you are correct, you can later sell those euros back for more dollars than you started with.

Currency as an Asset Class

Currencies differ from stocks or commodities. When you buy a share of a company, you own a tiny piece of that business. When you buy gold, you own a physical commodity with industrial uses. But what do you own when you hold currency?

Currency represents a claim on the economic output of a nation. The value of the US dollar reflects, in a broad sense, the strength of the American economy, the stability of its political system, and the policies of its central bank. When you buy dollars, you are expressing confidence in these factors relative to whatever currency you are selling.

Why Currencies Have Different Values

A common question from beginners is this: why is one British pound worth more than one US dollar, yet one US dollar worth over 100 Japanese yen? Does this mean Britain has a stronger economy than America, and America has a stronger economy than Japan?

Not at all. The nominal value of a currency tells you almost nothing about economic strength. What matters in forex trading is not the absolute value but the change in value.

The actual forces that drive currency values include:

  • Interest rates: Higher rates attract foreign capital seeking better returns
  • Inflation: Lower inflation preserves purchasing power, supporting currency value
  • Economic growth: Strong GDP growth attracts investment
  • Political stability: Uncertainty drives capital away
  • Trade balances: Countries that export more than they import create demand for their currency
  • Market sentiment: Perception often moves faster than fundamentals

1.2 The Forex Market Today

A Market of Staggering Size

The forex market trades over $7.5 trillion per day. This is not a typo. Seven and a half trillion dollars, every single day. To put this in perspective:

  • The New York Stock Exchange trades roughly $200-300 billion daily
  • The entire US stock market trades about $500 billion daily
  • Global stock markets combined trade about $1 trillion daily

Forex is larger than these combined, several times over.

Why Size Matters to You

This enormous trading volume creates several advantages for retail traders:

  • Liquidity: You can enter and exit positions almost instantly at major pairs
  • Tight spreads: Competition among market makers keeps costs low
  • No manipulation: The market is too large for any single entity to control
  • 24-hour access: Trade whenever it suits your schedule
Pro Tip: Your broker is not your enemy, but they are not your friend either. They are a business. Choose one that is properly regulated and transparent about how they make money. Look for regulation by FCA (UK), ASIC (Australia), or similar top-tier authorities.

1.3 Is Forex Trading Right for You?

Before you proceed further in this book, you need to honestly assess whether forex trading aligns with your goals and circumstances. This is not a get-rich-quick scheme. The statistics are sobering: research suggests that 70-80% of retail forex traders lose money.

That said, the 20-30% who succeed prove that profitable trading is possible. What separates winners from losers is not luck or secret strategies - it's education, discipline, and proper risk management.

Forex trading may be right for you if:

  • You have capital you can afford to lose completely
  • You enjoy analytical thinking and problem-solving
  • You can control your emotions under pressure
  • You're willing to spend months learning before expecting profits
  • You have realistic expectations about returns

Continue Reading?

This is just the beginning of Chapter 1. The full book contains 12 comprehensive chapters, 300+ quiz questions, and professional trading insights.

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