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Liquidity Effects in Interest Rate Options Markets:Premium or Discount?

Keywords: interest rate options;euro interest rate markets;volatility smiles;Liquidity
Issue Date: 25-May-2008
Series/Report no.: FIN-06-025
Abstract: This paper examines the effects of liquidity on interest rate option prices. Using daily bid and ask prices of euro (€) interest rate caps and floors, we find that illiquid options trade at higher prices relative to liquid options, controlling for other effects, implying a liquidity discount. This effect is opposite to that found in all studies on other assets such as equities and bonds, but is consistent with the structure of this over-the-counter market and the nature of the demand and supply forces. We also identify a systematic factor that drives changes in the liquidity across option maturities and strike rates. This common liquidity factor is associated with lagged changes in investor perceptions of uncertainty in the equity and fixed income markets.
Appears in Collections:Finance Working Papers

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