Articles

Binary Backwards

29th October 2019 Editor 0

Anybody who writes exams or performs job interviews knows the value of questions. If they are based on true stories or statements, even better. To my delight this showed up in my Twitter timeline: (Let […]

Articles

Not-so-complex Logarithms in the Heston Model

5th February 2018 Editor 0

In Heston’s stochastic volatility framework [Heston 1993], semi-analytical formulæ for plain vanilla option prices can be derived. Unfortunately, these formulæ require the evaluation of logarithms with complex arguments during the involved inverse Fourier integration step. […]

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