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Currency Futures and Options

Currency Futures and Options. Spot Exchange Rates. Spot transactions are done immediately. A spot rate is the current domestic currency price of a foreign currency. Transaction Volume. Spot market volume is small relative to total currency volume. Forward Contracts.

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Currency Futures and Options

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  1. Currency Futures and Options

  2. Spot Exchange Rates • Spot transactions are done immediately. A spot rate is the current domestic currency price of a foreign currency

  3. Transaction Volume Spot market volume is small relative to total currency volume

  4. Forward Contracts • Forward contracts are purchases/sales of currencies to be delivered at a specific forward date (30,90,180, or 360 days) • Example CAD/USD .7641 1 month .7583 3 months .7563 6 months .7537 12 months .7525

  5. Microsoft anticipates labor expenses from Canadian operations (payable in Canadian Dollars) in 30 Days. A Canadian Prescription Drug Importer is expecting a shipment of Viagra from Pfizer in 30 days (payment due in dollars) Forward Contracts Suppose that the current CAD/USD exchange rate is .7641. Microsoft would be worried about the dollar depreciating while the Canadian importer worries about the dollar appreciating.

  6. Forward Contracts Commercial Bank Microsoft approaches a commercial bank with an offer to buy Canadian dollars forward 30 days The Canadian drug importer approaches a commercial bank with an offer to sell Canadian dollars forward 30 days The bank negotiates a price of .7583 per CAD for 1M CAD

  7. On Settlement day, Microsoft buys 1M CAD for .7583 apiece and saves (.7668 - .7583)*1M = $8,500 On Settlement day, the drug importer sells 1M CAD for .7583 apiece and loses (.7583 - .7668)*1M = $8,500

  8. Non-Deliverable Forwards • Note that the currencies need not actually be delivered. A non-deliverable forward specifies that only the profits/losses will be exchanged on settlement day.

  9. Forward Premiums/Discounts • In the previous example: CAD = .7641 30 Day = .7583 Forward Premium .7583 - .7641 360 = 100 = -9.1% 30 .7641 Annualized The 30 Day CAD is selling at a discount of 9.1%

  10. Futures Contracts • Forward contracts are written on an individual basis. Futures are standardized, traded commodities (Chicago Mercantile Exchange) • JPY: 12,500,000 Yen • GBP: 62,500 Pounds • Euro: 125,000 Euro • CAD: 100,000 Canadian Dollars • Therefore, to make the previous trade (buy 1M CAD, you would purchase 10 futures contracts)

  11. Futures Contracts Chicago Mercantile Exchange Microsoft makes an offer to buy 10, 30 Day Futures Contracts The Canadian drug importer makes an offer to sell 10, 30 day Futures contracts The CME simultaneously buys 10 contracts from Microsoft and sells 10 contracts from the drug importer

  12. Futures Quotes Total Contracts bought/sold that day Opening, High, Low, and Closing Price CAD 100,000 Contracts Outstanding (000s) Settlement Date Change From Prior Day (in Pips)

  13. Pricing Currency Forwards/Futures Consider the following investment strategy: Convert the $s to Euros Borrow $1,000 in the US i = 6% e = $1.35/E i* = 4% e’ = $1.40/E Invest the Euros in European Bonds Profit = Proceeds from Euro Bonds less Repayment of initial loan plus interest Convert the proceeds from the Euro bonds back to dollars

  14. Pricing Currency Forwards/Futures Consider the following investment strategy: $1000 = E741 1.35 Borrow $1,000 in the US i = 6% e = $1.35/E i* = 4% e’ = $1.40/E E741 (1.04) = E770 Profit = $1,078 - $1,000(1.06) = $18 (E770.31)(1.40) = $1,078

  15. Uncovered Interest Parity 1 e $1 (1+i*) e (1+i*)e’ - (1+i) = 0 Profit = e (1+i*)e’ e

  16. Uncovered Interest Parity This is the expected future exchange rate Uncovered parity suggests that you shouldn’t EXPECT to make money this way! (1+i*)e’ Profit = - (1+i) = 0 e i – i* = Expected Change in the Exchange Rate 6% – 4% = 2% (An expected 2% dollar depreciation) Expected e’ = $1.35/E (1.02) = $1.38

  17. Covered Interest Parity You could eliminate all your risk by “locking in” your future exchange rate with a futures contract $1000 = E741 1.35 Borrow $1,000 in the US, Buy a futures contract for $1,078 at $1.40/E i = 6% e = $1.35/E i* = 4% F = $1.40/E E741 (1.04) = E770 Profit = $1,078 - $1,000(1.06) = $18 (E770.31)(1.40) = $1,078

  18. Covered Interest Parity This is the futures/forward rate Covered parity is a zero arbitrage condition between spot and forward rates (1+i*)F - (1+i) = 0 Profit = e i – i* = Forward Premium/Discount Given the 2% interest differential, Forward/Futures should be selling at a 2% premium (= $1.38)

  19. Forward rates as Predictors of the Future? Expected Percentage Change in Spot Rate Forward Premium/Discount = i – i* = Covered Interest Parity Uncovered Interest Parity Expected Percentage Change in Spot Rate Forward Premium/Discount =

  20. Currency Options • With options, you have the right to buy/sell currency, but not the requirement • Call: The right to buy at a specific “strike price” • Put: The right to sell at a specific “strike price” • The option belongs to the buyer of the contract. If you sell a put, you are REQUIRED to buy if the holder of the put chooses to exercise the option. • The buyer must pay an up front price for the contract

  21. Reading Options Quotes (Call Option) Change From Previous Day (in Pips) CAD 100,000 Contracts Traded/ Outstanding (000s) Daily Price Movements (per CAD): .0001 = $10 per contract Settlement Date and Strike Price

  22. Payout from a Call • Suppose you buy a 30 day call on 125,000 Euros at a strike price of $1.20 • For spot rates less than $1.20, the option is worthless (“out of the money”) • If the spot rate is $1.25, your profit is ($.05)*($125,000) = $6,250

  23. Pricing a Call Option • If the future price of a Euro is $1.25 at expiration (30 days from now) with certainty, the contract guarantees a $6,250 payout in 30 days ($.05 per Euro). Suppose the interest rate is currently 5% Call Price = Present Value of $6,250 in one month = $6,250/(1.05) = $5,952.38 (.047 per Euro) A call option price should be positively related to the (expected) future exchange rate and negatively related to the interest rate.

  24. Pricing a Call Option • If the future price of a Euro has a 50% chance of decreasing to $1 and a 50% chance of increasing to $1.50 at expiration (30 days from now). Suppose the interest rate is currently 5% Expected Payout = (.5)($0) + (.5)($.30*125,000) = $18,750 Call Price = Present Value of $18,750 in one month = $18,750/(1.05) = $17,857.14 (.143 per Euro) A call option price should be positively related to the variance of the exchange rate.

  25. Black - Scholes

  26. Payout from a Put • Suppose you buy a put on 125,000 Euros at a strike price of $1.20 • For spot rates greater than $1.20, the option is worthless (“out of the money”) • For example, if the spot rate is $1.15, your profit is ($.05)*($125,000) = $6,250

  27. Pricing Puts • Consider two investment portfolios • Portfolio #1 • Buy a call option for E100 at a strike price of $1.20 (expiration in 1 year) • Buy a 1 year Treasury with a face value of $120 Portfolio #2 Buy a Put option on E100 at a strike price of $1.20 (expiration of 1 year) Hold E100 in cash These two portfolios will generate the same 1 year profit (in $s) for every possible value of the exchange rate!!

  28. Suppose the exchange rate is $1.25/E • Portfolio #1 • Buy a call option for E100 at a strike price of $1.20 (expiration in 1 year) • Buy a 1 year Treasury with a face value of $120 Portfolio #2 Buy a Put option on E100 at a strike price of $1.20 (expiration of 1 year) Hold E100 in cash Payout = $0 + $125 Payout = ($.05)(100) + $120 Value of Euros Call Payout Bond Payout Put Payout

  29. Suppose the exchange rate is $1.10/E • Portfolio #1 • Buy a call option for E100 at a strike price of $1.20 (expiration in 1 year) • Buy a 1 year Treasury with a face value of $120 Portfolio #2 Buy a Put option on E100 at a strike price of $1.20 (expiration of 1 year) Hold E100 in cash Payout = ($.10)(100) + $110 Payout = $0 + $120 Call Payout Bond Payout Put Payout Value of Euros

  30. Two portfolios with equal returns should have equal cost • Portfolio #1 • Buy a call option for E100 at a strike price of $1.20 (expiration in 1 year) • Buy a 1 year Treasury with a face value of $120 Portfolio #2 Buy a Put option on E100 at a strike price of $1.20 (expiration of 1 year) Hold E100 in cash Cost (per Euro) Call Price Strike Price Cost (per Euro) = Put Price + exchange rate = + (1+i)

  31. Put/Call Parity Call Price Strike Price = Put Price + exchange rate + (1+i) Given the price of a call option, the current exchange rate and the current interest rate, we can price a put.

  32. Currency Swaps • Currency swaps are contracts to convert known income/payment streams from one currency to another – think of them as a portfolio of forwards with varying maturities/strikes • As with forward contracts, swaps are individualized and not traded.

  33. Currency Swaps • Suppose that IBM wishes to raise funds by issuing a 5 year Swiss Franc denominated Eurobond with a face value of CHF 100,000 and fixed annual coupon payments of 6%. Up front, IBM receives CHF 100,000. IBM plans on using the proceeds to finance domestic operations

  34. Currency Swaps 0 Yrs 1 Yrs 2 Yrs 3 Yrs 4 Yrs 5 Yrs IBM owes CHF 6,000 IBM owes CHF 6,000 IBM owes CHF 6,000 IBM owes CHF 6,000 IBM Wishes to hedge its currency exposure IBM owes CHF 106,000 IBM Collects CHF 100,000

  35. Currency Swaps 0 Yrs 1 Yrs 2 Yrs 3 Yrs 4 Yrs 5 Yrs IBM buys CHF 6,000 @ .845 IBM buys CHF 6,000 @ .830 IBM buys CHF 6,000 @ .800 IBM buys CHF 6,000 @ .840 IBM Sells CHF 100,000 @ .844 IBM buys CHF 106,000 @ .836 IBM enters into a swap agreement with This swap is very similar to buying/selling six separate futures contracts and is priced in a similar fashion

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