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UnRisk: Finance@Court
Andreas Binder

Municipalities would do well to analyze payoffs and the risk of swaps before taking a leap with taxpayers' money...

Low Strike Extrapolation for SABR - d-fine
Sebastian Schlenkrich, André Miemiec, Tilman Wolff-Siemssen, d-fine GmbH, Frankfurt, Germany

In this paper we analyse the modelling of rate options in a low interest rate market environment. In particular, the pricing of low, zero and negative strike vanilla options is considered. We review the modelling approaches available in the literature. For the important special case of the widely used SABR formula we illustrate the shortcomings connected with the low strike wing of the smile.

Moreover, a simple approach of low strike extrapolation will be presented. It is based on gluing the density function implied by the standard SABR formula to a suitable density function at low strikes in an arbitrage free manner. This approach yields a robust and transparent method to price low, zero and negative strike vanilla options.

Fooled by Randomness lecture
Nassim Nicholas Taleb 11007 Views

On 28th June 2004 NNT gave a Finance Focus lecture on his book 'Fooled by Randomness.' This event was held at the Financial World Bookshop and sponsored by Wilmott magazine, d-fine and 7city. Nassim Taleb is an essayist principally concerned with the problems of uncertainty and knowledge. Taleb's interests lie at the intersection of philosophy, mathematics, finance, literature, and cognitive science but he has stayed extremely close to the ground thanks to an uninterrupted two-decade career as a mathematical trader. Specializing in the risks of unpredicted rare events ("black swans"), he held senior trading positions in New York and London before founding Empirica LLC, a trading firm and risk research laboratory. Taleb is a fellow at the Courant Institute of Mathematical Sciences of New York University where he has been teaching a class on the failure of models since 1999. His degrees include an MBA from the Wharton School and a Ph.D. from the University of Paris Dauphine. Fooled by Randomness has been published in 14 languages and the author's ideas on skeptical empiricism have been covered by hundreds of articles around the world. Since childhood, Taleb has been obsessed with the defects of his own thinking. In addition to his scientific and literary interests, Taleb enjoys cafe lounging and museum hopping.

RiskMinds Asia 2014 - 17-20 November, St Regis, Singapore - 15% Wilmott Discount
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, Deputy CRO, Nomura
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