We document the calibration of the local volatility in a frame- work similar to Coleman, Li and Verma. The quality of a surface is assessed through a functional to be optimized; the specificity of the approach is to separate the optimization (performed with any suitable optimization algorithm) from the computation of the functional where we use an adjoint (as in L. Jiang et. al.) to obtain an approximation; moreover our main calibration variable is the implied volatility (the procedure can also accommodate the Greeks). The procedure per- forms well on benchmarks from the literature and on FOREX data.
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Paper provided by HAL in its series Post-Print with number
hal-00306187_v2.
Length: Date of creation: 15 Dec 2008 Date of revision: Publication status: Published, Review of Economic and Business Studies, 2008, 2, 1 Handle: RePEc:hal:journl:hal-00306187_v2
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