Currency swap
Overview
 
A currency swap is a foreign-exchange agreement between two parties to exchange aspects (namely the principal
Loan
A loan is a type of debt. Like all debt instruments, a loan entails the redistribution of financial assets over time, between the lender and the borrower....

 and/or interest
Interest
Interest is a fee paid by a borrower of assets to the owner as a form of compensation for the use of the assets. It is most commonly the price paid for the use of borrowed money, or money earned by deposited funds....

 payments) of a loan
Loan
A loan is a type of debt. Like all debt instruments, a loan entails the redistribution of financial assets over time, between the lender and the borrower....

 in one currency for equivalent aspects of an equal in net present value
Net present value
In finance, the net present value or net present worth of a time series of cash flows, both incoming and outgoing, is defined as the sum of the present values of the individual cash flows of the same entity...

 loan in another currency; see foreign exchange derivative
Foreign exchange derivative
A Foreign exchange derivative is a financial derivative where the underlying is a particular currency and/or its exchange rate. These instruments are used either for currency speculation and arbitrage or for hedging foreign exchange risk. For detail see:...

. Currency swaps are motivated by comparative advantage
Comparative advantage
In economics, the law of comparative advantage says that two countries will both gain from trade if, in the absence of trade, they have different relative costs for producing the same goods...

. A currency swap should be distinguished from a central bank liquidity swap
Central bank liquidity swap
Central bank liquidity swap is a type of currency swap used by a country's central bank to provide liquidity of its currency to another country's central bank...

.
Currency swaps are over-the-counter derivatives
Derivative (finance)
A derivative instrument is a contract between two parties that specifies conditions—in particular, dates and the resulting values of the underlying variables—under which payments, or payoffs, are to be made between the parties.Under U.S...

, and are closely related to interest rate swap
Interest rate swap
An interest rate swap is a popular and highly liquid financial derivative instrument in which two parties agree to exchange interest rate cash flows, based on a specified notional amount from a fixed rate to a floating rate or from one floating rate to another...

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