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arXiv 2212.04425q-fin.MF
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Explicit Caplet Implied Volatilities for Quadratic Term-Structure Models

Matthew Lorig, Natchanon Suaysom

英文摘要:

We derive an explicit asymptotic approximation for implied volatilities of caplets under the assumption that the short-rate is described by a generic quadratic term-structure model. In addition to providing an asymptotic accuracy result, we perform experiments in order to gauge the numerical accuracy of our approximation.

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