【PPT精品课件】货币金融学7版英文课件--13-大学课件2.pptx

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1、Chapter 13Financial Derivatives 2005 Pearson Education Canada Inc.HedgingHedge:engage in a financial transaction that reduces or eliminates riskBasic hedging principle:Hedging risk involves engaging in a financial transaction that offsets a long position by taking a short position,or offsets a short

2、 position by taking a additional long position2 2005 Pearson Education Canada Inc.Buying and Writing CallsA call option is an option that gives the owner the right(but not the obligation)to buy an asset at a pre specified exercise(or striking)price within a specified period of time.Since a call repr

3、esents an option to buy,the purchase of a call is undertaken if the price of the underlying asset is expected to go up.The buyer of a call is said to be long in a call and the writer is said to be short in a call.The buyer of a call will have to pay a premium(called call premium)in order to get the

4、writer to sign the contract and assume the risk.3 2005 Pearson Education Canada Inc.The Payoff from Buying a Call To understand calls,lets assume that you hold a European call on an asset with an exercise price of X and a call premium of.If at the expiration date,the price of the underlying asset,S,

5、is less than X,the call will not be exercised,resulting in a loss of the premium.At a price above X,the call will be exercised.In particular,at a price between X and X+,the gain would be insufficient to cover the cost of the premium,while at a price above X+the call will yield a net profit.In fact,a

6、t a price above X+,each$1 rise in the price of the asset will cause the profit of the call option to increase by$1.4 2005 Pearson Education Canada Inc.The Payoff from Writing a Call The payoff function from writing the call option is the mirror image of the payoff function from buying the call.Note

7、that the writer of the call receives the call premium,up front and must stand ready to sell the underlying asset to the buyer of the call at the exercise price,X,if the buyer exercises the option to buy.5 2005 Pearson Education Canada Inc.Summary and GeneralizationIn general,the value of a call opti

8、on,C,at expiration with asset price S(at that time)and exercise price X isC=max(0,S-X)In other words,the value of a call option at maturity is S-X,or zero,whichever is greater.If S X,the call is said to be in the money,and the owner will exercise it for a net profit of C-.If S X,the put is said to b

9、e out of the money and will expire worthless.If S X,the put is said to be in the money and the owner will exercise it for a net profit of P-.If S=X,the put is said to be at the money.10 2005 Pearson Education Canada Inc.Factors Affecting Premium1.Higher strike price lower premium on call options and

10、 higher premium on put options2.Greater term to expiration higher premiums for both call and put options3.Greater price volatility of underlying instrument higher premiums for both call and put options11 2005 Pearson Education Canada Inc.Spot,Forward,and Futures ContractsA spot contract is an agreem

11、ent(at time 0)when the seller agrees to deliver an asset and the buyer agrees to pay for the asset immediately(now)A forward contract is an agreement(at time 0)between a buyer and a seller that an asset will be exchanged for cash at some later date at a price agreed upon nowA futures contract is sim

12、ilar to a forward contract and is normally arranged through an organized exchange(i.e.,ME,CBT)The main difference between a futures and a forward contract is that the price of a forward contract is fixed over the life of the contract,whereas futures contracts are marked-to-market daily.12 2005 Pears

13、on Education Canada Inc.Financial Futures MarketsFinancial futures are classified as Interest-rate futures Stock index futures,and Currency futures In Canada,financial futures are traded in the Montreal Exchange(see Table 13-1)13 2005 Pearson Education Canada Inc.Interest-Rate Forward MarketsLong po

14、sition=agree to buy securities at future dateHedges by locking in future interest rate if funds coming in futureShort position=agree to sell securities at future dateHedges by reducing price risk from change in interest rates if holding bondsPros1.Flexible(can be used to hedge completely the interes

15、t rate risk)Cons1.Lack of liquidity:hard to find a counterparty to make a contract with2.Subject to default risk:requires information to screen good from bad risk14 2005 Pearson Education Canada Inc.Widely Traded Interest-RateFutures Contracts15 2005 Pearson Education Canada Inc.Interest Rate Future

16、s MarketsInterest Rate Futures Contract1.Specifies delivery of type of security at future date2.Arbitrage at expiration date,price of contract=price of the underlying asset delivered3.i,long contract has loss,short contract has profit4.Hedging similar to forwardsMicro vs.macro hedgeTraded on Exchang

17、es:Global competition Success of Futures Over Forwards1.Futures more liquid:standardized,can be traded again,delivery of range of securities2.Delivery of range of securities prevents corner3.Mark to market:avoids default risk4.Dont have to deliver:netting16 2005 Pearson Education Canada Inc.Widely T

18、raded Stock Index Futures Contracts17 2005 Pearson Education Canada Inc.Widely Traded Currency Futures18 2005 Pearson Education Canada Inc.Profits and Losses:Options vs.Futures$100,000 Canada-bond contract,1.Exercise price of 115,$115,000.2.Premium=$2,000 2005 Pearson Education Canada Inc.19Payoff F

19、unction from Buying an Interest Rate Futures(see Fig.13-1)Consider the June Canada bond futures contract traded on the ME.If you buy this contract for 115,you agree to pay$115,000 for$100,000 face value of long-term Canadas when they are delivered to you at the end of June.If at the expiration date

20、the underlying Canada bond for the futures contract has a price of110,meaning that the price of the futures contract also falls to 110,you suffer a loss of 5 points,or$5,000(point A)115,you would have a zero profit(point B)120,you would have a profit on the contract of 5 points,or$5,000(point C)20 2

21、005 Pearson Education Canada Inc.Payoff Function from Selling an Interest Rate Futures(see Fig.13-1)If you sell this contract for 115,you agree to deliver$100,000 face value of long-term Canada bonds for$115,000 at the end of June.If at the expiration date the underlying Canada bond for the futures

22、contract has a price of110,meaning that the price of the futures contract also falls to 110,you gain 5 points,or$5,000(point A)115,you would have a zero profit(point B)120,you would have a loss on the contract of 5 points,or$5,000(point C)21 2005 Pearson Education Canada Inc.Figure 13-1.Interest Rat

23、e Futures Options An option contract on the MEs June Canada bond futures contract has the following key features:it has the same expiration date as the underlying futures contractit is an American option and so can be exercised at any time before the expiration date,andthe premium of the option is q

24、uoted in points that are the same as in the futures contract,so each point corresponds to$1,000.22 2005 Pearson Education Canada Inc.How Interest Rate Futures Options Work(see Fig.13-1)Suppose that today you buy,for a$2,000 premium,a European call on the$100,000 June Canada bond futures contract wit

25、h a strike price of 115.If at the expiration date the underlying Canada bond for the futures contract has a price of 110,the futures call will be out of the money,since SX.It will expire worthless for a loss of$2,000(point A)115,the futures call will be at the money,but produces no gain or loss(poin

26、t B)120,the futures call will be in the money and will be exercised.You would buy the futures contract at the exercise price of 115 and then sell it for 120,thereby earning a 5-point gain($5,000 profit)on the$100,000 Canada bond contract.Because you paid a$2,000 premium,however,the net profit is$3,0

27、00(point C)23 2005 Pearson Education Canada Inc.Figure 13-1.The Difference between Interest Rate Futures and Interest Rate Futures Options the futures contract has a linear profit function-there is a one-to-one relationship between profits and the price of the underlying financial instrument the kin

28、ked profit curve for the option contract is nonlinear,meaning that profits dont always grow by the same amount for a given change in the price of the underlying financial instrument the reason for this nonlinearity is that the call option protects you from having losses that are greater than the amo

29、unt of the$2,000 premiumonce the price of the underlying financial instrument rises above X,however,your profits on the call option grow linearly.They are,however,always less than the profits on the futures contract by exactly the$2,000 premium paid.24 2005 Pearson Education Canada Inc.Currency Futu

30、resHedging FX RiskExample:Customer due 20 million in two months,current =$0.501.Forward agreeing to sell 20 million for$10 million,two months in future2.Sell 20 million of futures25 2005 Pearson Education Canada Inc.Currency SwapsIn a currency swap two parties effectively trade assets and liabilitie

31、s denominated in different currencies.The simplest currency swap is an agreement to sell a currency now at a given price and then repurchase it at a stated price on a specified future date.The difference between the two prices is called the swap rate.Example:A German bank might swap for$with a Canad

32、ian bank by agreeing to sell 1 million at a price of /$=0.60 and to repurchase 1 million a year later at a price of /$=0.70.This currency swap allows the German bank to borrow$and the Canadian bank to borrow.26 2005 Pearson Education Canada Inc.(Continued)Often currency swaps are tied to debt issues

33、.In particular,two parties issue debt denominated in different currencies and then agree to swap the proceeds of the debt issue and to repay each others debts-effectively transforming each debt into the other currency.Example:A Canadian company wants to borrow 10 million.The company,however,believes

34、 that it can get better terms if it issues$-denominated bonds in Canada where it is well known,and then swap the$for with a German company that wants to borrow$but for the same reasons finds it easier to borrow in Europe-see next slide.27 2005 Pearson Education Canada Inc.Currency Swap Contract 28 2

35、005 Pearson Education Canada Inc.Using Currency Swaps to Manage Exchange Rate RiskFirst BankAssets Liabilities$-Denominated$188 m$-Denominated$50 m-Denominated$12 m-Denominated$30 m(7.5 m$1.6/)(18.75 m$1.6/)Net worth$120 m 29 2005 Pearson Education Canada Inc.(Continued)Considering the hypothetical

36、balance sheet shown in the previous slide,if the$depreciates relative to the,-denominated assets and liabilities will be worth more$.Because the bank has more -denominated liabilities than -denominated assets,it will suffer losses.For example,if the$/exchange rate increases to$1.7,then the bank will

37、 have a capital loss of$1.05 m,as can be seen in the following slide:30 2005 Pearson Education Canada Inc.(Continued)First BankAssets Liabilities$-Denominated$188 m$-Denominated$50 m-Denominated12.75 m-Denominated$31.8 m(7.5 m$1.7/)(18.75 m$1.7/)Net worth$118.95 Total$200.75Total$200.75 31 2005 Pear

38、son Education Canada Inc.(Continued)To reduce its exposure to the$/exchange rate risk,the bank could swap$18 million of its -denominated liabilities for$-denominated liabilities.This would leave the bank with$12 million in -denominated liabilities,which matches its$12 million of -denominated assets.

39、With -denominated assets=-denominated liabilities,a change in$/exchange rate does not change the banks net worth.32 2005 Pearson Education Canada Inc.Interest Rate SwapsIn an interest-rate swap,two unrelated parties take out loans.Then they agree to make each others periodic interest payments.The tw

40、o parties do not exchange their debts or lend each other money,but simply agree to make each others periodic interest payments as if they had swapped debts.This kind of swap is illustrated by the hypothetical example in the next slide.33 2005 Pearson Education Canada Inc.Interest-Rate Swap Contract3

41、4 2005 Pearson Education Canada Inc.Hedging with Interest Rate SwapsReduce interest-rate risk for both parties1.Midwest converts$1m of fixed rate assets to rate-sensitive assets,RSA ,lowers GAP2.Friendly Finance RSA ,lowers GAPAdvantages of swaps1.Reduce risk,no change in balance-sheet2.Longer term

42、than futures or optionsDisadvantages of swaps1.Lack of liquidity2.Subject to default riskFinancial intermediaries help reduce disadvantages of swaps35 2005 Pearson Education Canada Inc.Cross-Currency Floating-to-Fixed Interest Rate SwapsA cross-currency floating-to-fixed interest rate swap involves

43、a fixed-rate loan denominated in one currency and a variable-rate loan denominated in another currency.Example:A small firm might borrow$from a local bank at a floating-rate and then use a cross-currency interest-rate swap to swap payments with a large firm that has issued fixed-rate bonds denominat

44、ed in.36 2005 Pearson Education Canada Inc.Cross-Currency Floating-to-Floating SwapsIn a cross-currency floating-to-floating swap,a floating-rate debt denominated in one currency is swapped for a floating-rate debt denominated in another currency.Example:A multinational firm with a loan in euros based on a short-term European interest rate can use a cross-currency floating-to-floating swap to transform its loan into a dollar loan on the prime rate.37 2005 Pearson Education Canada Inc.