What Is Forex Trading?

Foreign exchange trading — forex, or FX — is the exchange of one currency for another at an agreed price. It is the largest financial market in the world by turnover, and it is also the market most new traders meet first, because currency pairs are quoted continuously through the working week and are available on almost every retail trading platform.

How the forex market is structured

There is no central exchange for currencies. Forex is an over-the-counter market: a network of banks, institutions, liquidity providers and brokers quoting prices to each other electronically. Retail traders sit at the end of that chain, receiving prices through a platform that aggregates one or more sources.

The market runs roughly twenty-four hours a day, five days a week, following the sun through the Sydney, Tokyo, London and New York sessions. Liquidity is not evenly distributed across those hours. Spreads are typically tightest when London and New York overlap and widest in the thin hours around session changes, which is precisely when inexperienced traders often find their orders behaving differently from expectation.

Currency pairs and quoting conventions

Every quote has a base currency and a quote currency. In EUR/USD, the euro is the base and the dollar is the quote. Buying the pair means buying euros with dollars. Pairs are commonly grouped as:

• Majors — pairs containing the US dollar, such as EUR/USD, GBP/USD and USD/JPY. Highest liquidity, tightest typical spreads.
• Crosses — pairs without the dollar, such as EUR/GBP or AUD/JPY. Slightly wider spreads and sometimes sharper moves.
• Exotics — a major paired with a smaller economy's currency. Wider spreads, thinner liquidity, larger gaps.

Pips, lots and the arithmetic of a position

A pip is the standard increment of price movement — usually the fourth decimal place, or the second for yen pairs. Position size determines what one pip is worth. On a standard lot of 100,000 units of EUR/USD, one pip is roughly ten US dollars; on a micro lot of 1,000 units it is roughly ten cents. This is the single most important arithmetic in retail forex, because it converts an abstract chart movement into a concrete gain or loss in the account.

Leverage: the defining feature and the defining risk

Currency moves are small in percentage terms, so retail forex is almost always traded with leverage. Leverage lets a trader control a position larger than the deposited amount. It does not increase the probability of being right; it increases the consequence of being either right or wrong.

At 30:1, a 3.3% adverse move against the full position size is sufficient to erase the margin committed to it. Because currency pairs can move more than that around major economic releases, leverage is the mechanism by which small analytical errors become account-level events. This is covered in detail in our guide to risk management in trading.

What actually moves currency prices

Currency valuation is a relative judgement about two economies. The recurring drivers are:

• Interest rate expectations. Markets price the expected future path of policy rates, not the current rate. Surprises in that expectation cause the largest moves.
• Inflation and growth data. CPI, employment and GDP releases feed directly into rate expectations.
• Risk sentiment. In stressed conditions, capital tends to concentrate in currencies perceived as defensive, regardless of local data.
• Positioning and flow. When a large share of the market already holds the same view, a modest surprise can force an outsized unwind.

Sessions, spreads and news windows

A scheduled release such as a central bank decision compresses hours of repricing into seconds. Spreads widen, liquidity thins and stop orders may be filled at materially worse prices than requested. Understanding that behaviour is part of understanding the market itself — see understanding market volatility for the measurement side of the same question.

Where the platform fits in

A forex trader's results depend on their method and their discipline, but their experience depends heavily on the trading environment. Quote quality, spread behaviour under stress, available order types, margin display and statement clarity all shape how a strategy performs in practice. Some traders explore platforms such as Fjord Markets when comparing different trading environments; the useful approach is to evaluate any such platform against a fixed checklist rather than an impression.

Our how trading platforms work guide breaks that infrastructure down layer by layer, and the detailed analysis of Fjord Markets applies the framework to a single platform as a worked example.

A reasonable learning sequence

1. Learn quoting conventions, pip value and position sizing arithmetic until it is automatic.
2. Study one or two pairs rather than scanning dozens.
3. Write a plan with entry, exit, invalidation and maximum risk per position.
4. Test that plan in a demo environment across at least one full month of conditions.
5. Review the record honestly before considering any capital commitment.

Continue with technical analysis basics to learn how currency charts are read, or with trading strategies for beginners to see how a rules-based approach is constructed.

Educational disclaimer: this article explains general market concepts and platform research principles. It is not financial, investment or trading advice, and it is not affiliated with or endorsed by Fjord Markets.