no code implementations • 7 Mar 2023 • Chang Liu, Sandra Paterlini
Stock price prediction is a crucial element in financial trading as it allows traders to make informed decisions about buying, selling, and holding stocks.
no code implementations • 25 Mar 2022 • Karoline Bax, Emanuele Taufer, Sandra Paterlini
In particular, when focusing on the minimum-variance portfolio, the covariance matrix or better its inverse, the so-called precision matrix, is the only input required.
no code implementations • 29 Jun 2021 • Özge Sahin, Karoline Bax, Claudia Czado, Sandra Paterlini
Environmental, Social, and Governance (ESG) scores measure companies' performance concerning sustainability and societal impact and are organized on three pillars: Environmental (E), Social (S), and Governance (G).
no code implementations • 15 May 2021 • Karoline Bax, Özge Sahin, Claudia Czado, Sandra Paterlini
While environmental, social, and governance (ESG) trading activity has been a distinctive feature of financial markets, the debate if ESG scores can also convey information regarding a company's riskiness remains open.
no code implementations • 1 Feb 2021 • Davide Bernardini, Sandra Paterlini, Emanuele Taufer
Finally, the third estimator relies on a 2-stages procedure that estimates the edge set first and then the precision matrix elements.
Methodology
no code implementations • 6 Oct 2017 • Philipp J. Kremer, Sangkyun Lee, Malgorzata Bogdan, Sandra Paterlini
We introduce a financial portfolio optimization framework that allows us to automatically select the relevant assets and estimate their weights by relying on a sorted $\ell_1$-Norm penalization, henceforth SLOPE.