Australian National University · FACULTY OF FINANCE

FINM8007 Chap.1 Foreign Exchange Markets and Quotations

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Chapter 1 of 11 · FINM8007

Foreign Exchange Markets and Quotations

The market every later topic relies on

The opening chapter explains why firms go global and what the foreign exchange market does for them: it moves purchasing power between countries, sets the price of currencies, finances trade and lets risk pass to those willing to carry it.

It sorts the five groups of participants by whether they trade for liquidity or for profit and describes the over-the-counter, two-tier structure of the market.

Reading and building quotes

The core skill is mechanical and heavily tested: write a quote as base over price currency, tell a direct quote from an indirect one for a named home country, recognise European and American terms, and build a two-way cross rate through the dollar using the side of each quote that favours the dealer.

Where marks are won and lost

The tutorial solutions model three habits.

First, rewrite every quote in base over price form before deciding whether it is direct or indirect for the stated home country, then take the reciprocal to convert it. Second, when bid and ask are given, pick each leg with the rip-off rule and finish with the economic reading from the client’s side, which the cross-rate questions ask for explicitly.

Third, for a position question, say which way the base currency moved, whether that helps or hurts the trader, and then compute the change in the liability.

How it connects

Every later chapter reuses these skills.

Mint parity in Chapter 2 is a cross rate through gold, percentage changes in Chapter 4 depend on knowing the base currency, triangular arbitrage in Chapter 6 is a cross rate tested against a quote, and every hedge in Chapter 8 is valued by converting at the right side of a quote. Errors made here repeat through the whole course.

In this chapter

What this chapter covers

  • 01

    Why firms go global

  • 02

    Purposes of the FX market

  • 03

    Liquidity and profit seekers

  • 04

    Spot, forward, swap and option deals

  • 05

    Base and price currency

  • 06

    Direct and indirect quotes

  • 07

    Cross rates with bid and ask

  • 08

    Drivers of the bid-ask spread

Worked example · free

Build a two-way AUD/CHF cross rate from two dollar quotes

Q [4 marks]. AskSia-authored practice. A bank quotes AUD/USD 0.6620/25 and USD/CHF 0.8840/50. Find its AUD/CHF bid and ask, and the Australian dollar cost to a Sydney firm that must pay CHF100,000. The marks shown are an AskSia study allocation, not an official University marking scheme.
The five participant groups sorted by motive.The five participant groups sorted by motive. Firms, dealers and brokers sit across both columns because a given trade can serve commerce or profit, speculators and arbitrageurs trade only for profit, and central banks trade for policy and accept losses.Liquidity seekersProfit seekersFirms and investorsBank dealersFX brokersSpeculators, arbitrageursCentral banksneither
The five participant groups sorted by motive. Firms, dealers and brokers sit across both columns because a given trade can serve commerce or profit, speculators and arbitrageurs trade only for profit, and central banks trade for policy and accept losses.
  • 1Chain the quotes so the dollar cancels: AUD/USD times USD/CHF gives AUD/CHF.
  • 1Cross bid uses both bids: 0.6620 × 0.8840 = 0.5852.
  • 1Cross ask uses both asks: 0.6625 × 0.8850 = 0.5863.
  • 1The firm sells AUD, so the bank buys them at its bid: 100,000 ÷ 0.585208 = A$170,879.
The bank quotes AUD/CHF 0.5852/63. Paying CHF100,000 costs the firm about A$170,879, because it sells Australian dollars at the bank’s lower bid.
Sia tip — Check the result: the cross bid must sit below the cross ask, and the client always gets the worse side.
Glossary

Key terms

Market Maker
A dealer that quotes two-way prices and holds currency inventory to supply liquidity.
Base Currency
The currency of which one unit is being priced in a quote.
Forward Rate
An exchange rate agreed today for delivery on a later value date.
Pip
The smallest price step in a currency quote, usually 0.0001.
Bid Quote
The rate at which a dealer is willing to buy the base currency of a quote.
FAQ

Foreign Exchange Markets and Quotations FAQ

How do I tell a direct quote from an indirect one?

Ask which country is home. A direct quote prices one unit of a foreign currency in home units, so the home currency is the price currency; an indirect quote prices one unit of the home currency in foreign units. The same quote can be direct in one country and indirect in another.

Why do I multiply bid by bid to get a cross bid?

Selling the base currency for the price currency runs through two trades, and in each one the dealer buys from you at its bid. Chaining the two bids gives the rate at which the dealer will buy the cross, which is always the lower of the two cross quotes.

Who earns the bid-ask spread?

The dealer. It buys at the bid and sells at the higher ask, and the gap covers its costs and profit; to a client the spread is a transaction cost. Brokers, by contrast, never take a position and earn a commission for matching buyers and sellers.

What is a pip, and why do traders quote only pips?

A pip is the smallest step in a quote, usually 0.0001. Interbank dealers trading standard amounts of ten million dollars quote only the last two digits, because everyone already knows the big figure and speed matters more than repeating it.

Study strategy

Exam move

Drill quotes until they are reflexes: name the base currency, the home country and the side of the quote before any arithmetic, then build three cross rates a day from fresh two-way quotes. When you finish, explain each cross rate in one line from the client’s side: what they sell, what they receive and why the spread made it worse.

Working through Foreign Exchange Markets and Quotations in FINM8007? Sia is AskSia’s AI Finance tutor — ask any FINM8007 Foreign Exchange Markets and Quotations question and get a clear, step-by-step explanation grounded in how FINM8007 is taught and assessed. Read this chapter free, then take your hardest questions to Sia.

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