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The Spot Market for Foreign Exchange. Spot MarketDaniels and VanHoose2 Market Characteristics: An Interbank Market The spot market is a market for immediate.

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Presentation on theme: "The Spot Market for Foreign Exchange. Spot MarketDaniels and VanHoose2 Market Characteristics: An Interbank Market The spot market is a market for immediate."— Presentation transcript:

1 The Spot Market for Foreign Exchange

2 Spot MarketDaniels and VanHoose2 Market Characteristics: An Interbank Market The spot market is a market for immediate delivery (2 to 3 days). Primarily an interbank market, which is the trading of foreign-currency-denominated deposits between large banks. Approximately $US1.4 - 1.6 trillion daily in global transactions.

3 Spot MarketDaniels and VanHoose3 Market Quotes: The WSJ Currency Trading Table Provides spot and forward rates. Forward rates are for forward contracts, or the future delivery of a currency. US $ equivalent is the dollar price of a foreign currency. Currency per US $ is the foreign currency price of one US dollar.

4 Spot MarketDaniels and VanHoose4 Market Quotes: Direct - Indirect Quotes Direct quote is the home currency price of a foreign currency. Indirect quote is the foreign currency price of the home currency.

5 Spot MarketDaniels and VanHoose5 Appreciating and Depreciating Currencies A currency that has lost value relative to another currency is said to have depreciated. A currency that has gained value relative to another currency is said to have appreciated. This terms relate to the market process and are different from devaluation and revaluation (Chapter 3).

6 Spot MarketDaniels and VanHoose6 Appreciating and Depreciating Currencies We use the percentage change formula to calculate the amount of depreciation. Example, on Monday, the peso traded at 0.1021 $/P. On Tuesday the market closed at 0.1025 $/P. The peso has appreciated, as it now takes more $ to purchase each peso.

7 Spot MarketDaniels and VanHoose7 Appreciating and Depreciating Currencies Example, on Monday, the peso traded at 0.1021 $/P. On Tuesday the market closed at 0.1025 $/P. The amount of appreciation is: [(0.1025 - 0.1021)/0.1021] * 100 = 0.39%

8 Spot MarketDaniels and VanHoose8 Bid - Ask Spreads: Example from Financial Times The bid is the price the bank is willing to pay for the currency, e.g., 0.9002 $/ is the bid on the euro in terms of the dollar. The ask is what the bank is willing to sell the currency for, e.g. 0.9010 $/, is the ask on the euro in terms of the dollar.

9 Spot MarketDaniels and VanHoose9 Bid - Ask Spread: Cost of Transacting The bid - ask spread of a currency reflects, in general, the cost of transacting in that currency. It is calculated as the difference between the ask and the bid. Example, 0.9020 - 0.9002 = 0.0018.

10 Spot MarketDaniels and VanHoose10 Bid - Ask Margin: Percent Cost of Transacting The bid - ask spread can be converted into a percent to compare the cost of transacting among a number of currencies. The margin is calculated as the spread as a percent of the ask. (Ask - Bid)/Ask * 100 Example, (0.9020 - 0.9002)/9.020 * 100 = 0.20%.

11 Spot MarketDaniels and VanHoose11 Cross-Rates: Unobserved Rates A cross-rate is an unobserved rate that is calculated from two observed rates. For example, the spot rate for the Canadian dollar is 0.6770 $/C$, and the spot rate on the euro is 0.9002 $/. What is the Canadian dollar price of the euro (C$/)? Note that ($/)/($/C$) = ($/)*(C$/$)=C$/. In this example, 0.9002/0.6770 = 1.3297 C$/.

12 Spot MarketDaniels and VanHoose12 Arbitrage: Consistency of Cross Rates Arbitrage is the simultaneous buying and selling to profit (as opposed to speculation). The ability of market participants to arbitrage guarantees that cross rates will be, in general, consistent. If a cross rate is not consistent, the actions of currency traders (arbitrage) will bring the respective currencies in line.

13 Spot MarketDaniels and VanHoose13 Spatial Arbitrage Spatial Arbitrage refers to buying a currency in one market and selling it in another. Price differences arise from geographical (spatial) dispersed markets. Due to the low-cost rapid-information nature of the foreign exchange market, these prices differences are arbitraged away quickly.

14 Spot MarketDaniels and VanHoose14 Triangular Arbitrage Triangular arbitrage involves a third currency and/or market. Arbitrage opportunities exist if an observed rate in another market is not consistent with a cross- rate (ignoring transaction costs). Again, profit opportunities are likely to be arbitraged away quickly, meaning that cross- rates are, for the most part, consistent with observed rates.

15 Spot MarketDaniels and VanHoose15 Triangular Arbitrage: An Example The British pound is trading for 1.455 ($/£) and the Thai baht for 0.024 ($/b) in New York, while the Thai baht is trading for 0.012 (£/b) in London. The cross-rate in New York is: 0.024/1.455 = 0.016 (£/b) Hence, an arbitrage opportunity exists.

16 Spot MarketDaniels and VanHoose16 Example Continued A trader with $1, could buy £0.687 in New York. The £0.687 would purchase b57.274 in London. The b57.274 purchases $1.375 in New York, or 37.5% profit on the transaction. To understand the arbitrage opportunity, remember buy low, sell high.

17 Real Exchange Rates: Measuring Relative Purchasing Power

18 Spot MarketDaniels and VanHoose18 Real Exchange Rates Real Measures Nominal variables, such as an exchange rate, do not consider changes in prices over time. Real variables, on the other hand, include price changes. A real exchange rate, therefore, accounts for relative price changes.

19 Spot MarketDaniels and VanHoose19 Real Exchange Rates A nominal exchange rate indicates the purchasing power of one nations currency over the currency of another nation. Real exchange rates indicate the purchasing power of a nations residents for foreign goods and services relative to their purchasing power for domestic goods and services. A real exchange rate is an index. Hence, we compare its value for one period against its value in another period.

20 Spot MarketDaniels and VanHoose20 Real Exchange Rates An Example In 1996 the spot rate between the dollar and the pound was 0.6536 (£/$). In 2000 the rate was 0.6873. Hence, the pound depreciated relative to the dollar by 5.16 percent {[(0.6873-0.6536)/0.6536]*100}. Based on this alone, the purchasing power of US residents for British goods and services (relative to US goods and services) rose by 5.16 percent.

21 Spot MarketDaniels and VanHoose21 Example: Continued Suppose in 1996 the British CPI was 156.4 and the US CPI was 154.7. In 2000, the CPIs were 170.5 and 172.7 respectively. Based on this, British prices rose 9.0 percent while US prices rose 11.6 percent, a 2.6 difference. Since the prices of British goods and services rose slower than the prices of US goods and services, there was an increase in purchasing power of British goods and services relative to the purchasing power of US goods and services.

22 Spot MarketDaniels and VanHoose22 Combining the Two Effects A real exchange rate combines these two effects - the gain in purchasing power of US residents due to the nominal depreciation of the pound and the gain in relative purchasing power due to British prices rising at a slower rate than US prices. To construct a real exchange rate, the spot rate, as it is quoted here, is multiplied by the ratio of the US CPI to the UK CPI. (£/$) x (US CPI/UK CPI)

23 Spot MarketDaniels and VanHoose23 Combining the Two Effects 1996 Real Rate = 0.6536 x (154.7/156.4) = 0.6465. 2000 Real Rate = 0.6873 x (172.7/170.5) = 0.6962. The real depreciation of the pound was 7.69 percent.

24 Spot MarketDaniels and VanHoose24 Conclusion The nominal exchange rate change resulted in a 5.2 percent gain in the purchasing power of UK goods and services for US residents. The difference in price changes resulted in a 2.6 percent gain in purchasing power of UK goods and services relative to US goods and services for US residents. Note how the 5.2 percent decline was augmented by the 2.6 gain, resulting in an overall 7.7 percent gain in purchasing power.

25 Spot MarketDaniels and VanHoose25 More on Prices and the Exchange Rate A Hitchhikers Guide to Understanding Exchange Rates by Owen Humpage, an economic advisor at the Federal Reserve bank of Cleveland, is a very helpful article on prices and real exchange values.

26 Effective Exchange Rate A measure of the general value of a currency.

27 Spot MarketDaniels and VanHoose27 Effective Exchange Rate On any given day, a currency may appreciate in value relative to some currencies while depreciating in value against others. An effective exchange rate is a measure of the weighted-average value of a currency relative to a select group of currencies. Thus, it is a guide to the general value of the currency.

28 Spot MarketDaniels and VanHoose28 Weighted Average Value To construct an EER, we must first pick a set of currencies we are most interested in. Next, we must assign relative weights. In the following example, we weight the currency according to the countrys importance as a trading partner.

29 Spot MarketDaniels and VanHoose29 Weights Suppose that of all the trade of the US with Canada, Mexico, and the UK, Canada accounts for 50 percent, Mexico for 30 percent, and the UK for 20 percent. These constitute our weights (0.50, 0.30, and 0.20). Now consider the following exchange rate data.

30 Spot MarketDaniels and VanHoose30 Exchange Rate Data

31 Spot MarketDaniels and VanHoose31 Calculating the EER The EER is calculating by summing the weighted values of the current period rate relative to the base year rate. The weighted-average value is calculated as: (weight i) (current exchange value i)/(base exchange value i) where i represents each individual country included in the weighted average.

32 Spot MarketDaniels and VanHoose32 Calculating the EER Commonly this sum is multiplied by 100 to express the EER on a 100 basis. Hence, an EER is an index. As we shall see next, the base-year value of the index is 100. The index, therefore, is useful is showing changes in the weighted average value from one period to another.

33 Spot MarketDaniels and VanHoose33 Example Let last year be the base year. The effective exchange rate last year was: [(1.52/1.52)*0.50 + (10.19/10.19)*0.30 + (0.61/.61)*0.20]*100 = 100. As with any index measure, the base year value is 100.

34 Spot MarketDaniels and VanHoose34 Example Todays value of the EER is: (1.44/1.52)*0.50 + (9.56/10.19)*0.30 + (0.62/0.61)*0.20 or (0.958) 95.8 The dollar, therefore, has experienced a 4.2 percent depreciation in weighted value.

35 Spot MarketDaniels and VanHoose35 Effective Exchange Measures There are a number of effective exchange measures available in the popular press. Some common measures are: Bank of England Index: The Economist. J.P. Morgan: The Wall Street Journal and the Financial Times.


37 The Demand for and Supply of Currencies A Derived Demand

38 Spot MarketDaniels and VanHoose38 The Demand for a Currency The demand for a currency is a derived demand. That is, the demand for the currency is derived from the demand for the goods, services, and financial assets the currency is used to purchase. If, for example, foreign demand for European goods and services increases, the demand for the euro increases.

39 Spot MarketDaniels and VanHoose39 The Demand Curve is Downward Sloping If, for example, the euro depreciates, European goods, services, and financial assets become less expensive to foreign residents. Foreign residents will increase their quantity demanded of the euro to purchase more European goods, services, and financial assets. The downward slope of the demand curve shows the negative relationship between the exchange rate and the quantity demanded.

40 Spot MarketDaniels and VanHoose40 The Demand Curve Demand S ($/) Quantity S0S0 Q0Q0 S1S1 Q1Q1

41 Spot MarketDaniels and VanHoose41 Important Note It is vital to construct and label supply and demand diagrams properly. Note here we are diagramming the market for the euro. Hence, it is crucial to represent the correct exchange rate on the vertical axis. The correct exchange rate is one that reflects the price of the euro. That is, it must be an indirect quote.

42 Spot MarketDaniels and VanHoose42 An Increase in Demand Consider an increase in the demand for the euro. Suppose, for example, that savers desire euro- denominated financial assets relative to dollar-denominated financial assets because of a change in economic conditions. The demand for the euro rises as savers desire more euros to purchase greater amounts of European financial assets.

43 Spot MarketDaniels and VanHoose43 An Increase in Demand for the Euro Demand S ($/) Quantity S0S0 Q0Q0 D Q1Q1

44 Spot MarketDaniels and VanHoose44 The Supply of a Currency The supply of a currency is also a derived demand. Consider the demand schedule for the dollar. If the dollar depreciates relative to the euro, there is an increase in the quantity demanded of dollars. As more dollars are purchased, the quantity of euros supplied in the foreign exchange market increases.

45 Spot MarketDaniels and VanHoose45 The Supply of a Currency S S ($/) S1S1 S0S0 Q0Q0 Q1Q1 A B Quantity Dollar depreciation

46 Spot MarketDaniels and VanHoose46 Equilibrium The market is in equilibrium when the quantity supplied of a currency is equal to the quantity demanded. This is the market clearing exchange rate because there is no surplus or shortage of the currency.

47 Spot MarketDaniels and VanHoose47 Equilibrium S S ($/) S0S0 Q0Q0 A D Quantity

48 Spot MarketDaniels and VanHoose48 Increase in the Demand for the Euro S S ($/) S0S0 Q0Q0 D Quantity D Q1Q1 S1S1

49 Spot MarketDaniels and VanHoose49 Over and Under-Valued Currencies If a currencys value is market determined, how can it be over- or under-valued? A currency is said to be over- or under- valued if the market exchange rate is different from the rate that a model or individual predicts to be the correct rate. In other words, the individual believes the market has it wrong.

50 Spot MarketDaniels and VanHoose50 Over and Under-Valued Currencies S S ($/) S0S0 Q0Q0 D Quantity S* The euro is undervalued

51 Spot MarketDaniels and VanHoose51 Undervalued In the previous slide, the euro is said to be undervalued. The predicted or expected spot rate, S*, lies above the market determined rate, S 0. Hence, it should take a greater amount of dollars to buy each euro. The euro, therefore, is underpriced, or undervalued.

52 Purchasing Power Parity

53 Spot MarketDaniels and VanHoose53 Purchasing Power Parity Absolute or the Law of One Price Suppose The Economist magazine sells for £2.50 in the UK and $3.95 in the US. Arbitrage, therefore, should guarantee that the exchange rate between the dollar and the pound be s = 3.95/2.50 = 1.580 ($/£). In words, the dollar price of The Economist in the UK should equal the dollar price of the Economist in the US (ignoring transportation costs).

54 Spot MarketDaniels and VanHoose54 Absolute PPP Absolute PPP is expressed as P = P*×S, where P is the domestic price, P* is the foreign price, and S is the spot rate, expressed as domestic to foreign currency units. Often it is rearranged as: S = P/P*.

55 Spot MarketDaniels and VanHoose55 Absolute PPP as a Guide to Exchange Values Suppose the actual spot rate pertaining to the previous example is 1.480 whereas PPP says the rate should be 1.580. Only a slight difference exists, but we can conclude (for instructional purposes) that the pound is undervalued relative to the dollar. In percentage terms (1.580-1.480)/1.480 × 100 = 6.76 percent.

56 Spot MarketDaniels and VanHoose56 Relative PPP - A Weaker Version Rearrange APPP to S = P/P*. Divide one period equation by another period, e.g., S 1 /S 0 = (P 1 /P 0 )/(P* 1 /P* 0 ) Rearrange as: S 1 = S 0 (P 1 /P 0 )/(P* 1 /P* 0 ) Can be used as a model of exchange rate movements. Note that the emphasis is on exchange rate movements, not levels, though it may appear otherwise.

57 Spot MarketDaniels and VanHoose57 Example Suppose the exchange rate between the dollar and the pound was 1.58 in 1999 and is 1.60 today. Further, the UK CPI was 110 and is now 115, while the US CPI was 108 and is now111. Plugging this into the formula we have s t = (1.58)×[(111/108)/(115/110)] = 1.55 Hence the £ is overvalued (3.125%).

58 Spot MarketDaniels and VanHoose58 Another Expression Often economists will take the log of the previous expression of RPPP to obtain the following. - * = S In words, domestic inflation less foreign inflation should equal the change in the spot rate. Implies that the higher inflation country should see its currency depreciate.

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