Proceedings of the 2025 International Conference on Financial Risk and Investment Management (ICFRIM 2025)

Comparative Risk Management in Portfolio Optimization: Evaluating the Markowitz and Index Models Across Constrained and Unconstrained Scenarios

Authors
Sihan Xu1, *
1New York University, Brooklyn, NY, 11201, USA
*Corresponding author. Email: sx791@nyu.edu
Corresponding Author
Sihan Xu
Available Online 3 July 2025.
DOI
10.2991/978-94-6463-748-9_19How to use a DOI?
Keywords
Portfolio Management; Investment; Finance
Abstract

The effectiveness of the two models in aligning portfolio risk and managing returns for unconstrained investments and constrained ones is analyzed in the article. In relation to both systematic and idiosyncratic risks the MM has an advantage in this respect, favorable under unrestricted conditions. By contrast, in scenarios where a portfolio is constrained such that short-selling is prohibited or margins are restricted--IM can still be considered an alternative. To be consistent with only systematic risk, rather than a less Blessed approach to threats achieved through other systems under similar constraints: It can even more properly plan how to avoid danger and make up its ideas about hedging against pressure such as inflation. Such reliance on systematic risk can be mitigated by IM. As examples, the restrictive gage of markets provides a fertile field for hedging techniques under IM. Altering the mode in which management and risk control are conceived at figurations of a particular portfolio is necessary, including stressing compatible adoption between MM and IM across different conditions. It provides a comprehensive view of risk return characteristics influenced by two portfolio optimization techniques, and serves as the starting point for producing better, intelligence and efficient portfolio management strategies through comparisons of these two models.

Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Download article (PDF)

Volume Title
Proceedings of the 2025 International Conference on Financial Risk and Investment Management (ICFRIM 2025)
Series
Advances in Economics, Business and Management Research
Publication Date
3 July 2025
ISBN
978-94-6463-748-9
ISSN
2352-5428
DOI
10.2991/978-94-6463-748-9_19How to use a DOI?
Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

TY  - CONF
AU  - Sihan Xu
PY  - 2025
DA  - 2025/07/03
TI  - Comparative Risk Management in Portfolio Optimization: Evaluating the Markowitz and Index Models Across Constrained and Unconstrained Scenarios
BT  - Proceedings of the 2025 International Conference on Financial Risk and Investment Management (ICFRIM 2025)
PB  - Atlantis Press
SP  - 163
EP  - 172
SN  - 2352-5428
UR  - https://doi.org/10.2991/978-94-6463-748-9_19
DO  - 10.2991/978-94-6463-748-9_19
ID  - Xu2025
ER  -