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Calibration
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Calibration problems – An inverse problems view
When pricing structured or derivative financial instruments, the typical steps a quant has to do are the following: 1. Choose a model for the movement of the underlying(s) 2. Identify (“calibrate”) the model parameters from […]
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What is Implied by Implied Volatility?
Word and concept Implied volatility is not just a word or a concept. As a word, what is implied by implied volatility – what “implied volatility” means – is the value of the Brownian diffusion […]
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Numerical Methods for the Markov Functional Model
The Libor Market Model of Brace Gatarek and Musiela (BGM) (1997) is the market standard model for pricing and hedging exotic interest rate derivatives. Its advantages include model parameters which are easy to interpret in […]