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Expensive MartingalesHans BuehlerJP Morgan Chase, London; Technical University of Berlin - Institut fur Mathematik Quantitative Finance, Vol. 6, No. 3, June 2006 Abstract: We characterize strictly arbitrage-free markets of European options where only a discrete set of options is traded. We then construct martingales which reprice all given options and which are most expensive among all martingales with this property. We also present algorithms to adjust real life market data and to construct expensive martingales while taking into account additional weak information: Estimated prices of more exotic products such as, for example, forward started options.
Number of Pages in PDF File: 25 Keywords: Marginals, Martingale, Transition Probability, Balayage, Linear Programming, Discrete Pricing, Measures, Forward Started Options, European Options JEL Classification: C60 Accepted Paper SeriesDate posted: June 7, 2008Suggested CitationContact Information
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