Papers, ranked by score

Ordered by a blend of empirical rigor (60%) and math complexity (40%).

The QLBS Model within the presence of feedback loops through the impacts of a large trader

We extend the QLBS model by reformulating via considering a large trader whose transactions leave a permanent impact on the evolution of the exchange rate process and therefore affect the price of contingent claims on such processes. Through a hypothetical limit order book we quantify the exchange r

Lab Rats Math 7.5 Rigor 4 ·  November 12, 2023

Selective Forgetting in Option Calibration: An Operator-Theoretic Gauss-Newton Framework

Calibration of option pricing models is routinely repeated as markets evolve, yet modern systems lack an operator for removing data from a calibrated model without full retraining. When quotes become stale, corrupted, or subject to deletion requirements, existing calibration pipelines must rebuild t

Lab Rats Math 6.5 Rigor 3.5 ·  November 18, 2025

Distributional Reinforcement Learning on Path-dependent Options

We reinterpret and propose a framework for pricing path-dependent financial derivatives by estimating the full distribution of payoffs using Distributional Reinforcement Learning (DistRL). Unlike traditional methods that focus on expected option value, our approach models the entire conditional dist

Lab Rats Math 6.5 Rigor 3 ·  July 16, 2025

The Approach of Sliced Inference in Systems of Stochastic Differential Equations with Comments on the Heston Model

Stochastic differential equations have been an important tool in modeling complex financial relations, equipped with the possibility of being multidimensional to better oversee complexities inherent in finance. This multidimensionality, however, comes with a larger parameter space to estimate. There

Lab Rats Math 5.5 Rigor 3.5 ·  August 21, 2025

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