On The Continuous Statistical Maxwell Distribution for Obtaining the Risk in Economy

Abstract This paper introduces an approach to financial risk quantification by utilizing the Maxwell distribution as a foundation for deriving closed‐form expressions of two essential risk measures: expected shortfall and value at risk. In contrast to classic solvers that predominantly depend on normality assumptions, the framework integrates these Maxwell‐based formulations within a GARCH model structure, providing a theoretically grounded and computationally efficient alternative for risk assessment. The proposed methodology is empirically evaluated through forecasting on actual stock market data, demonstrating its practical effectiveness and robustness in capturing tail risk dynamics. This novelty stems from the fact that, unlike the Gaussian distribution, which systematically underestimates tail events due to its thin‐tailed nature, the Maxwell distribution naturally accommodates heavier right tails and yields closed‐form expressions for both VaR and ES. This provides a new analytical alternative for risk modeling beyond classical Gaussian‐based frameworks.

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Publication Details

Journal
Advanced Theory and Simulations
Published
2025-09-24
DOI
https://doi.org/10.1002/adts.202501474
Primary Topic
Financial Risk and Volatility Modeling
Type
article
Field-Weighted Citation Impact
0.00
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article

On The Continuous Statistical Maxwell Distribution for Obtaining the Risk in Economy

Malik Zaka Ullah, Monairah Alansari, Abdullah Kamis Alzahrani, Mir Asma
Advanced Theory and Simulations
Financial Risk and Volatility Modeling
article

On The Continuous Statistical Maxwell Distribution for Obtaining the Risk in Economy

Malik Zaka Ullah, Monairah Alansari, Abdullah Kamis Alzahrani, Mir Asma
article en

Abstract

Abstract This paper introduces an approach to financial risk quantification by utilizing the Maxwell distribution as a foundation for deriving closed‐form expressions of two essential risk measures: expected shortfall and value at risk. In contrast to classic solvers that predominantly depend on normality assumptions, the framework integrates these Maxwell‐based formulations within a GARCH model structure, providing a theoretically grounded and computationally efficient alternative for risk assessment. The proposed methodology is empirically evaluated through forecasting on actual stock market data, demonstrating its practical effectiveness and robustness in capturing tail risk dynamics. This novelty stems from the fact that, unlike the Gaussian distribution, which systematically underestimates tail events due to its thin‐tailed nature, the Maxwell distribution naturally accommodates heavier right tails and yields closed‐form expressions for both VaR and ES. This provides a new analytical alternative for risk modeling beyond classical Gaussian‐based frameworks.

Advanced Theory and SimulationsVol. 9(1)
King Abdulaziz University (SA), Saveetha University (IN)
Openalex Percentile: Top 66%
Financial Risk and Volatility Modeling
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