Results 11 to 20 of about 139 (68)

Portfolio Optimization in a Market with Hidden Gaussian Drift and Randomly Arriving Expert Opinions: Modeling and Theoretical Results

open access: yes, 2023
This paper investigates the optimal selection of portfolios for power utility maximizing investors in a financial market where stock returns depend on a hidden Gaussian mean reverting drift process.
Gabih, Abdelali, Wunderlich, Ralf
core  

On Adaptive Portfolio Management with Dynamic Black-Litterman Approach

open access: yes, 2023
This paper presents a novel framework for adaptive portfolio management that combines a dynamic Black-Litterman optimization with the general factor model and Elastic Net regression. This integrated approach allows us to systematically generate investors'
Hsieh, Chung-Han, Li, Chi-Lin
core  

Do diverse and inclusive workplaces benefit investors? An Empirical Analysis on Europe and the United States

open access: yes, 2022
As the COVID-19 pandemic restrictions slow down, employees start to return to their offices. Hence, the discussions on optimal workplaces and issues of diversity and inclusion have peaked.
Bax, Karoline
core  

Could ChatGPT have earned abnormal returns? A retrospective test from the U.S. stock market [PDF]

open access: yes
This paper attempts to assess the ability of OpenAI’s ChatGPT to provide high-quality recommendations for a casual investor looking to beat the market. Going back to 1985 and instructing the GPT-4 model to restrict its knowledge to only what could have ...
LoGrasso, Marc
core   +2 more sources

Portfolio diversification with varying investor abilities

open access: yes, 2023
We introduce new mathematical methods to study the optimal portfolio size of investment portfolios over time, considering investors with varying skill levels. First, we explore the benefit of portfolio diversification on an annual basis for poor, average
James, Nick, Menzies, Max
core   +1 more source

Analysis of Optimal Portfolio Management Using Hierarchical Clustering

open access: yes, 2023
Portfolio optimization is a task that investors use to determine the best allocations for their investments, and fund managers implement computational models to help guide their decisions. While one of the most common portfolio optimization models in the
Panda, Kapil
core  

Portfolio Selection via Topological Data Analysis

open access: yes, 2023
Portfolio management is an essential part of investment decision-making. However, traditional methods often fail to deliver reasonable performance.
Kuznetsov, Kristian   +3 more
core  

Regression techniques for portfolio optimisation using MOSEK [PDF]

open access: yes, 2013
Regression is widely used by practioners across many disciplines. We reformulate the underlying optimisation problem as a second-order conic program providing the flexibility often needed in applications.
Andersen, ED   +3 more
core   +1 more source

High order universal portfolios

open access: yes, 2023
The Cover universal portfolio (UP from now on) has many interesting theoretical and numerical properties and was investigated for a long time. Building on it, we explore what happens when we add this UP to the market as a new synthetic asset and ...
Turinici, Gabriel
core  

Black-Litterman, Bayesian Shrinkage, and Factor Models in Portfolio Selection: You Can Have It All

open access: yes, 2023
Mean-variance analysis is widely used in portfolio management to identify the best portfolio that makes an optimal trade-off between expected return and volatility.
Chong, Kwong Yu
core  

Home - About - Disclaimer - Privacy