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q-fin.MF2026
GROMM: Generative Risk-neutral Option Market Models
Magnus Wiese, Hans Buehler, Blanka Horvath
We present a statically and dynamically arbitrage-free European option market model with smooth interpolation between option prices, based on the SANOS framework, and prove that it…
q-fin.MF2026
DYSANOS Generative Dynamic Smooth Arbitrage-free Non-parametric Option Surfaces
Hans Buehler, Blanka Horvath, Anastasis Kratsios +1
This article presents with DYSANOS the first generative market model for smooth SANOS option surfaces for all strikes and expiries which are free of static arbitrage. Our model is…