Strict Local Martingale Deflators and Pricing American Call-Type Options
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💱 q-fin.PR
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americancall-typelocalmartingaleoptionspricingadmitanalysis
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We solve the problem of pricing and optimal exercise of American call-type options in markets which do not necessarily admit an equivalent local martingale measure. This resolves an open question proposed by Fernholz and Karatzas [Stochastic Portfolio Theory: A Survey, Handbook of Numerical Analysis, 15:89-168, 2009].
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