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Uncovered Interest Rate Parity (UIP)

What is the 'Uncovered Interest Rate Parity - UIP'

The uncovered interest rate parity (UIP) is a parity condition stating that the difference in interest rates between two countries is equal to the expected change in exchange rates between the countries' currencies. If this parity does not exist, there is an opportunity to make a risk-free profit using arbitrage techniques.

Explaining 'Uncovered Interest Rate Parity - UIP'

Assuming foreign exchange equilibrium, interest rate parity implies that the expected return of a domestic asset will equal the expected return of a foreign asset once adjusted for exchange rates. There are two types of interest rate parity: covered interest rate parity and uncovered interest rate parity. When this no-arbitrage condition exists without the use of forward contracts, which are used to hedge foreign currency risk, it is called uncovered interest rate parity.

Uncovered Interest Rate Parity Formula and Example

The formula for uncovered interest rate parity takes into account the following variables:

Uncovered Interest Rate Parity (uip) FAQ

What is uncovered interest rate parity?

Uncovered interest rate parity (UIP) theory states that how the interest rates differ between two countries will be the same as the relative change in currency foreign exchange rates over the same timeframe. It is one form of interest rate parity (IRP) used with covered interest rate parity.

What is the main difference between covered and uncovered interest?

There are two forms of Interest rate parity: uncovered interest rate parity involves not covering exposure to foreign exchange risk (unanticipated changes in exchange rates), whereas covered interest rate parity involves using a forward contract.

How do you calculate uncovered interest parity?

espot(t)(1+iDomestic)= Et[espot(t+k)](1+iForeign), where: Et[espot(t + k)] represents the expected value of the spot exchange rate. espot(t + k), k periods from now. ... k represents number of periods in the future from time t. espot(t) represents the current spot exchange rate. iDomestic represents the interest rate in the country/currency under consideration.

What is the interest parity condition under a fixed exchange rate regime?

The condition for interest rate parity to hold in a fixed exchange rate system is that the interest rates between two countries must be the same.

Does empirical evidence support covered interest rate parity?

Economists have been able to prove that covered interest rate parity generally holds, although not precise because of the effects of various risks, costs, taxation, and ultimate differences in liquidity.

Why does uncovered interest parity not hold?

It does not hold because of difference in exchange rates. In covered interest rate parity, the difference between interest rates gets adjusted in the forward discount/premium but investors do not have this benefit in an uncovered interest rate parity.

What is a covered interest rate arbitrage?

Covered interest rate arbitrage uses favorable interest rate differentials to invest in a higher-yielding currency, and offsets the exchange risk through a forward currency contract.

Further Reading


Long-horizon uncovered interest rate parity
www.nber.org [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

Ambiguity aversion: Implications for the uncovered interest rate parity puzzleAmbiguity aversion: Implications for the uncovered interest rate parity puzzle
www.aeaweb.org [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

A reexamination of the uncovered interest rate parity hypothesisA reexamination of the uncovered interest rate parity hypothesis
www.sciencedirect.com [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

The (partial) rehabilitation of interest rate parity in the floating rate era: Longer horizons, alternative expectations, and emerging marketsThe (partial) rehabilitation of interest rate parity in the floating rate era: Longer horizons, alternative expectations, and emerging markets
www.sciencedirect.com [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

Interest differentials and extreme support for uncovered interest rate parityInterest differentials and extreme support for uncovered interest rate parity
www.sciencedirect.com [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

Uncovered interest parity: The long and the short of itUncovered interest parity: The long and the short of it
www.sciencedirect.com [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

Uncovered interest-rate parity over the past two centuriesUncovered interest-rate parity over the past two centuries
www.sciencedirect.com [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

Monetary policy and the uncovered interest rate parity puzzleMonetary policy and the uncovered interest rate parity puzzle
papers.ssrn.com [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …

Exchange rate indeterminacy in portfolio balance, Mundell–Fleming and uncovered interest rate parity modelsExchange rate indeterminacy in portfolio balance, Mundell–Fleming and uncovered interest rate parity models
academic.oup.com [PDF]
… swap markets in the 1980s has allowed the testing of long- horizon covered interest parity, albeit over … availability of swap data is still too limited to allow meaningful tests of uncovered interest parity … 13- the long-term interest rate and the future change in the exchange rate under …


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