Every time you pay for a holiday abroad or buy something priced in another currency, you take part in the foreign exchange market. Forex traders do the same thing on purpose, at size, many times a day – and most retail accounts that try it lose money. Regulators in several jurisdictions require brokers to publish the share of their clients who lose, and it is consistently the majority. That is not a reason to avoid learning forex trading basics. It is a reason to learn them properly before risking a cent, starting with how prices are quoted and what leverage actually does to an account.
How currency pairs work
Currencies always trade in pairs, because you are always exchanging one for another. In the quote EUR/USD 1.0850:
- EUR is the base currency.
- USD is the quote currency.
- The price says one euro costs 1.0850 US dollars.
Buying EUR/USD means buying euros and selling dollars; you profit if the euro strengthens against the dollar. Selling it means the opposite.
Pairs fall into rough groups:
| Group | Examples | Characteristics |
|---|---|---|
| Majors | EUR/USD, USD/JPY, GBP/USD, USD/CHF | Most liquid, tightest spreads |
| Commodity pairs | AUD/USD, USD/CAD, NZD/USD | Influenced by commodity prices |
| Crosses | EUR/GBP, EUR/JPY | Two major currencies without the dollar |
| Exotics | USD/TRY, USD/ZAR, USD/MXN | Wider spreads, sharper moves, more political risk |
The market runs around the clock from Monday morning in Asia-Pacific to Friday evening in New York, because it is a network of banks and dealers rather than a single exchange.
What is a pip in forex?
A pip is the standard unit of price movement. For most pairs it is the fourth decimal place – 0.0001. If EUR/USD moves from 1.0850 to 1.0851, it has moved one pip. For pairs involving the Japanese yen, a pip is the second decimal place – 0.01 – because the yen's unit value is much smaller.
Many brokers quote an extra digit, a "fractional pip" or pipette, so you may see EUR/USD at 1.08505.
What a pip is worth in money depends on your position size. Forex is traded in lots:
- Standard lot: 100,000 units of the base currency
- Mini lot: 10,000 units
- Micro lot: 1,000 units
On EUR/USD, where the dollar is the quote currency, one pip on a standard lot is worth 10 US dollars; on a micro lot it is 10 cents. A 50-pip move – a fairly ordinary day for many pairs – is therefore 500 dollars on one standard lot.
Spreads and other trading costs
You buy at the ask and sell at the bid. The gap between them is the spread, and it is the first cost of every trade. If EUR/USD is quoted 1.0850 / 1.0851, you start each trade one pip down.
Spreads are tightest on major pairs during busy hours and widen during quiet periods, around major data releases, and sharply in exotic currencies. Other costs to look for:
- Commissions on some account types, in exchange for raw spreads.
- Swap or rollover – overnight financing that reflects the interest rate difference between the two currencies. Hold a position for weeks and this can add up in either direction.
- Slippage – fills at a worse price than requested in fast markets.
For a short-term trader, these costs are not a footnote; they decide whether a strategy can work at all.
Forex leverage explained: the risk that sinks most accounts
Leverage lets you control a large position with a small deposit, called margin. With 30:1 leverage, 1,000 dollars of margin controls a 30,000-dollar position.
Here is what that means in practice. Say you open a 30,000-dollar EUR/USD position with 1,000 dollars of margin. A move of roughly 1% against you – well within a normal week for many pairs – costs about 300 dollars, or 30% of your margin. A 3.3% move wipes out the margin entirely. Leverage multiplies gains and losses by exactly the same factor; it does not change the odds.
Regulators have responded by capping retail leverage. In the European Union, retail clients have been limited to 30:1 on major currency pairs since 2018, with lower limits on others, and brokers must offer negative balance protection. US rules cap retail leverage on major pairs at 50:1. Offshore brokers offering hundreds-to-one are typically outside these protections – which should be read as a warning sign, not a feature.
When losses eat into your margin, the broker issues a margin call or automatically closes positions at a stop-out level, often at the worst moment.
What moves currency prices
Currencies are driven by the relative picture between two economies:
- Interest rate differentials and expected central bank decisions
- Inflation and growth data – employment, GDP, purchasing managers' indices
- Risk sentiment – in stress, money tends to flow to the dollar, yen and Swiss franc
- Trade flows and commodity prices for exporters like Australia, Canada and Norway
- Politics and intervention – elections, sanctions, or a central bank stepping in
Big scheduled releases, such as the US monthly jobs report, regularly cause sharp, fast moves and spread widening.
A beginner's checklist before trading forex
- Use a regulated broker in a jurisdiction with real oversight and client money protection.
- Trade a demo account first – long enough to see a few bad weeks, not just a lucky streak.
- Risk a small fixed share of the account per trade, and place a stop-loss before you enter.
- Use less leverage than allowed. The cap is a maximum, not a recommendation.
- Calculate pip value and spread cost for every trade before you place it.
- Keep a trading journal so you can see whether results come from skill or noise.
- Never trade money you need. Rent, savings and emergency funds stay out.
The honest summary
Forex trading basics are simple to learn: pairs, pips, spreads, lots and margin. The hard part is that the market is deep, fast and full of professionals, and leverage turns small mistakes into large losses. Understanding the mechanics is valuable even if you never trade – it explains why your travel money buys more one year than the next – but treat any promise of easy currency profits with deep suspicion.
This article is for education only and is not financial or investment advice.