Multivariate portfolio optimization under illiquid market prospects: a review of theoretical algorithms and practical techniques for liquidity risk management

MAM Al Janabi - Journal of Modelling in Management, 2021 - emerald.com
Purpose This study aims to examine the theoretical foundations for multivariate portfolio
optimization algorithms under illiquid market conditions. In this study, special emphasis is …

Computational approaches and data analytics in financial services: A literature review

D Andriosopoulos, M Doumpos… - Journal of the …, 2019 - Taylor & Francis
The level of modeling sophistication in financial services has increased considerably over
the years. Nowadays, the complexity of financial problems and the vast amount of data …

Liquidity-adjusted value-at-risk optimization of a multi-asset portfolio using a vine copula approach

MAM Al Janabi, R Ferrer, SJH Shahzad - Physica A: Statistical Mechanics …, 2019 - Elsevier
This paper develops a novel approach to assess liquidity-adjusted Value-at-Risk (LVaR)
optimization of multi-asset portfolios based on vine copulas and LVaR models. This …

[HTML][HTML] Fifty years of portfolio optimization

A Salo, M Doumpos, J Liesiö, C Zopounidis - European Journal of …, 2024 - Elsevier
The allocation of resources to alternative investment opportunities is one of the most
important decisions organizations and individuals face. These decisions can be guided by …

Optimization algorithms and investment portfolio analytics with machine learning techniques under time-varying liquidity constraints

MAM Al Janabi - Journal of Modelling in Management, 2022 - emerald.com
Purpose This paper aims to examine from commodity portfolio managers' perspective the
performance of liquidity adjusted risk modeling in assessing the market risk parameters of a …

Corporate credit risk counter-cyclical interdependence: A systematic analysis of cross-border and cross-sector correlation dynamics

S Yfanti, M Karanasos, C Zopounidis… - European Journal of …, 2023 - Elsevier
Sectoral corporate credit risk interlinkages constitute a highly topical issue for the systemic
risk considerations of policymakers and market practitioners. We reveal the macroeconomic …

Forecasting of dependence, market, and investment risks of a global index portfolio

J Arreola Hernandez, MAM Al Janabi - Journal of Forecasting, 2020 - Wiley Online Library
This paper undertakes an in‐sample and rolling‐window comparative analysis of
dependence, market, and portfolio investment risks on a 10‐year global index portfolio of …

Measuring market and credit risk under Solvency II: Evaluation of the standard technique versus internal models for stock and bond markets

S Asadi, MAM Al Janabi - European Actuarial Journal, 2020 - Springer
Abstract The 2008–2009 Global Financial Crisis (GFC) has swayed regulators to set forth
the Solvency II agreement for determining Solvency Capital Requirement (SCR) for …

Pricing of time-varying illiquidity within the Eurozone: Evidence using a Markov switching liquidity-adjusted capital asset pricing model

S Grillini, A Ozkan, A Sharma, MAM Al Janabi - International Review of …, 2019 - Elsevier
This paper investigates time-varying characteristics of illiquidity and the pricing of its risk
using a liquidity-adjusted capital asset pricing model (L-CAPM). Collecting data from a pool …

Is optimum always optimal? A revisit of the mean‐variance method under nonlinear measures of dependence and non‐normal liquidity constraints

MAM Al Janabi - Journal of Forecasting, 2021 - Wiley Online Library
We develop a model for optimizing multiple‐asset portfolios with semi‐parametric liquidity‐
adjusted value‐at‐risk (LVaR), whereby linear correlations are substituted by the …