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Erscheinungsjahr: 
2002
Schriftenreihe/Nr.: 
Danmarks Nationalbank Working Papers No. 9
Verlag: 
Danmarks Nationalbank, Copenhagen
Zusammenfassung: 
Following Shimko (1993), a large amount of research has evolved around the problem of extracting risk neutral densities from options prices by interpolating the Black-Scholes implied volatility smile. Some of the methods recently proposed use variants of the cubic spline. These methods have the property of producing non-differentiable probability densities. We argue that this is an undesirable feature and suggest circumventing the problem by fitting a smoothing spline of higher order polynomials with a relatively low number of knot points. In the estimations we opt for a measure of roughness penalty, which is more appropriate than the plain second partial derivative often used. We apply this technique to the LIFFE three-month Euribor futures option prices. Constant horizon risk neutral densities are calculated and summary statistics from these densities are used to assess market uncertainty on a day-by-day basis. Finally, we analyse the impact of the 11 September attacks on the expectation of future Euribor interest rates.
Schlagwörter: 
Implied volatility
risk neutral density estimation
interest rate expectation
JEL: 
C14
F33
G15
Dokumentart: 
Working Paper
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