Why are quadratic normal volatility models analytically tractable?
We discuss the class of "Quadratic Normal Volatility" models, which have drawn much attention in the financial industry due to their analytic tractability and flexibility. We characterize these models as the ones that can be obtained from stopped Brownian motion by a simple transformation and a change of measure that only depends on the terminal value of the stopped Brownian motion. This explains the existence of explicit analytic formulas for option prices within Quadratic Normal Volatility models in the academic literature.
|Date of creation:||Feb 2012|
|Date of revision:||Mar 2013|
|Publication status:||Published in SIAM Journal on Financial Mathematics, 2013 4:1, 185-202|
|Contact details of provider:|| Web page: http://arxiv.org/|
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- Miltersen, Kristian R & Sandmann, Klaus & Sondermann, Dieter, 1997.
" Closed Form Solutions for Term Structure Derivatives with Log-Normal Interest Rates,"
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