A note on the Fundamental Theorem of Asset Pricing under model uncertainty

Erhan Bayraktar, Yuchong Zhang and Zhou Zhou

Papers from arXiv.org

Abstract: We show that the results of ArXiv:1305.6008 on the Fundamental Theorem of Asset Pricing and the super-hedging theorem can be extended to the case in which the options available for static hedging (\emph{hedging options}) are quoted with bid-ask spreads. In this set-up, we need to work with the notion of \emph{robust no-arbitrage} which turns out to be equivalent to no-arbitrage under the additional assumption that hedging options with non-zero spread are \emph{non-redundant}. A key result is the closedness of the set of attainable claims, which requires a new proof in our setting.

Date: 2013-09, Revised 2014-09
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Citations: View citations in EconPapers (9)

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Journal Article: A Note on the Fundamental Theorem of Asset Pricing under Model Uncertainty (2014)
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