Distributionally robust portfolio optimization under marginal and copula ambiguity

Z Fan, R Ji, MA Lejeune - Journal of Optimization Theory and Applications, 2024 - Springer
We investigate a new family of distributionally robust optimization problem under marginal
and copula ambiguity with applications to portfolio optimization problems. The proposed …

Forecasting and trading Bitcoin with machine learning techniques and a hybrid volatility/sentiment leverage

M Wei, G Sermpinis, C Stasinakis - Journal of Forecasting, 2023 - Wiley Online Library
This paper explores the use of machine learning algorithms and narrative sentiments when
applied to the task of forecasting and trading Bitcoin. The forecasting framework starts from …

Multi-stage international portfolio selection with factor-based scenario tree generation

Z Chen, B Ji, J Liu, Y Mei - Computational Economics, 2024 - Springer
To comprehensively reflect the heteroscedasticity, nonlinear dependence and heavy-tailed
distributions of stock returns while reducing the huge cost of parameter estimation, we use …

THE FAMA-FRENCH FIVE-FACTOR ASSET PRICING MODEL: A RESEARCH ON BORSA ISTANBUL.

AT Altinay, M Dogan, BLD Ergun, S Alshiqi - Economic Studies, 2023 - ceeol.com
This study aims to test the validity of the Fama-French Five-Factor Model (FF5F) for Turkey.
Within the scope of the study, throughout 468 weeks between September 2009 and August …

Crisis Alpha: A High-Performance Trading Algorithm Tested in Market Downturns

MK Gharanchaei, R Babazadeh - arxiv preprint arxiv:2409.14510, 2024 - arxiv.org
Forming quantitative portfolios using statistical risk models presents a significant challenge
for hedge funds and portfolio managers. This research investigates three distinct statistical …

Machine learning in fixed income markets: forecasting and portfolio management

M Nunes - 2022 - eprints.soton.ac.uk
The fixed income market (ie bonds) is a massive asset class with an overall size of USD 100
trillion that remains relatively under-investigated using machine learning. The yield curve is …

Risk assessment and optimal scheduling of serial projects

Z Zhang, M Chronopoulos, DS Dimitrova, I Kyriakou - OR Spectrum, 2024 - Springer
The valuation and planning of complex projects are becoming increasingly challenging with
rising market uncertainty and the deregulation of many industries, which have also raised …

Multilayer network risk factor pricing model

Y Liu, C Hu, L Wang, K Yang - Complexity, 2020 - Wiley Online Library
This paper proposes a multilayer network risk factor pricing model to depict the impact of
interactions between stocks on excess stock returns by constructing the network risk factor …

Socially responsible multiobjective optimal portfolios

M Sahamkhadam, A Stephan - Journal of the Operational …, 2024 - Taylor & Francis
This article extends the socially responsible multiobjective problem to (i) estimating optimal
portfolios via reward/risk maximization,(ii) including dependence structure between asset …

Copula-based portfolio optimization

M Sahamkhadam - 2021 - diva-portal.org
University Dissertations No 416/2021, ISBN: ISBN: 978-91-89283-79-4 (print), 978-91-
89283-80-0 (pdf). This thesis studies and develops copula-based portfolio optimization. The …