3 papers
q-fin.CP2026
Calibrating Inelastic Markets to Options: The Lean Marketron and the Generalized Langevin Equation
Andrey Itkin
The Marketron model of \cite{HalperinItkin2025Mark} and its option pricing extension in \cite{HalperinItkinMarketron2} suffer from structural non-identifiability: an eighteen-param…
q-fin.PR2025
Floating exercise boundaries for American options in time-inhomogeneous models
Andrey Itkin, Yerkin Kitapbayev
This paper examines a semi-analytical approach for pricing American options in time-inhomogeneous models characterized by negative interest rates (for equity/FX) or negative conven…
q-fin.CP2024
Semi-analytical pricing of options written on SOFR futures
Andrey Itkin, Yerkin Kitapbayev
In this paper, we propose a semi-analytical approach to pricing options on SOFR futures where the underlying SOFR follows a time-dependent CEV model. By definition, these options c…