Lesson 01 of 8 · Forex Foundations
What the Forex Market Is
14 min4 topics
Topic 1 of 4
By the end of this lesson
- Explain why forex has no central exchange and what that changes for you
- Name the main participants and what each of them wants
- Describe how a price reaches your platform
Every currency price you will ever trade is a price for swapping one currency for another. That sounds obvious, and it is the single idea that makes the rest of this course make sense — because it means there is no such thing as the price of the euro, only the price of the euro against something else.
This lesson is about the market that produces those prices: who is in it, where it physically is, and how a number gets from that market onto your screen.
A market with no building
Shares have an address. A share of a listed company trades on an exchange, the exchange publishes every trade, and at any moment there is one official last price that everyone can see.
Currencies have none of that. Forex is an over-the-counter market: a network of banks, brokers and funds dealing directly with each other, with no central exchange in the middle and no obligation to publish anything. What exists instead is thousands of simultaneous private quotes.
Three consequences follow, and all three will matter to you later.
- There is no single price. Two brokers can show different quotes for EUR/USD at the same instant, and neither is wrong.
- There is no real volume figure. The volume indicator on a forex chart counts price ticks from your broker's own feed, not money traded. It is a measure of activity, not of size.
- The price you see is your broker's price. It is derived from the market, not identical to it.
Note
This is why comparing two brokers means comparing the prices they actually give you, not the prices they advertise. Track 2 covers how to do that.
Who the participants are
It is tempting to picture a market full of traders betting on direction. Most of the money in forex is not doing that at all. It is moving because someone needs a different currency for a reason that has nothing to do with a forecast.
| Who | What they are doing | Predicting direction? |
|---|---|---|
| Commercial banks | Quoting prices to each other and to clients; the core of the market | Sometimes |
| Corporates | Paying overseas suppliers, converting revenue, hedging known future payments | No |
| Central banks | Managing reserves; occasionally intervening in their own currency | No |
| Asset managers | Converting currency to buy foreign assets; hedging that exposure | Rarely |
| Hedge funds and prop firms | Taking positions on direction, rates and relative value | Yes |
| Retail traders | Taking positions on direction, through a broker | Yes |
Read the right-hand column again. The groups moving the most money are largely indifferent to where the price goes next — a company paying a supplier in euros will buy euros whatever the chart says. That flow is real, large, and not trying to be clever.
It also means the market is not a zero-sum contest between speculators. A great deal of it is people transacting for reasons that have nothing to do with you.
How a price reaches your screen
A quote arrives on your platform through a short chain, and each link changes it.
- Liquidity providers — banks and non-bank market makers — publish prices they are willing to deal at.
- Your broker collects prices from several of them and picks the best bid and the best ask it can offer.
- Your broker then adds its own margin, usually by widening the spread, sometimes by charging a separate commission instead.
- Your platform draws the result.
So the number on your chart has already been through a business decision before you see it. That is not a scandal — it is how the broker is paid, and a broker that is paid clearly is easier to assess than one that is paid invisibly. The next lesson takes that spread apart.
What this means in practice
When a price on your platform does something a price on someone else's does not, the usual explanation is not manipulation. It is that you are looking at two different derived quotes built from overlapping but not identical sources.
Why the market is open all week but not all equal
Forex runs continuously from Monday morning in Sydney to Friday evening in New York. Because banks are open somewhere at almost any hour, there is almost always someone to deal with.
Continuous is not the same as uniform. The number of participants awake and quoting changes enormously through the day, and with it the spread you pay and the size the market can absorb without moving. Trading at a quiet hour costs more and slips more, for exactly the same trade.
Caution
The market closes for the weekend, but the world does not. News between Friday's close and Monday's open is priced in at once when trading resumes, so Monday can open away from Friday's close with no prices in between. A stop loss cannot protect you inside a gap — it triggers at the first available price, which may be well past where you placed it.
Sessions, liquidity and the cost of choosing the wrong hours are the subject of Track 2. For now it is enough to know that the clock is part of the trade.
Key takeaways
- Forex is over-the-counter: no central exchange, no single official price, no true volume figure.
- Most forex turnover is not speculation — it is settlement, hedging and portfolio flows that ignore the chart.
- The quote you see is your broker's derived price, with its margin already included.
- The market is open all week but not equally liquid, and it gaps over the weekend.