Results 61 to 70 of about 513 (158)

A Comparison of the Risk Quantification in Traditional and Renewable Energy Markets

open access: yesEnergies, 2020
The transition from traditional energy to cleaner energy sources has raised concerns from companies and investors regarding, among other things, the impact on financial downside risk.
Daniel Velásquez-Gaviria   +2 more
doaj   +1 more source

FinRL Contests: Data‐Driven Financial Reinforcement Learning Agents for Stock and Crypto Trading

open access: yesArtificial Intelligence for Engineering, Volume 1, Issue 1, Page 44-68, 29 September 2025.
FinRL Contests 2023–2025 explore the application of reinforcement learning in financial tasks, which are modelled as the Markov decision process (MDP). Participants specify state, reward and action to train the FinRL agents in stable market environments, advancing the development of RL‐based trading strategies in real‐world financial markets.
Keyi Wang   +7 more
wiley   +1 more source

Forecasting value‐at‐risk for cryptocurrencies

open access: yesInternational Review of Finance, Volume 25, Issue 3, September 2025.
Abstract Value‐at‐Risk (VaR), the primary measure of downside risk in market risk management, relies heavily on the accuracy of volatility forecasts produced by risk models. This paper shows that, for forecasting the VaR of cryptocurrencies, the time‐heterogeneous Student's t autoregressive model outperforms standard models commonly used by ...
Michael Michaelides, Niraj Poudyal
wiley   +1 more source

Forecasting Digital Asset Return: An Application of Machine Learning Model

open access: yesInternational Journal of Finance &Economics, Volume 30, Issue 3, Page 3169-3186, July 2025.
ABSTRACT In this study, we aim to identify the machine learning model that can overcome the limitations of traditional statistical modelling techniques in forecasting Bitcoin prices. Also, we outline the necessary conditions that make the model suitable.
Vito Ciciretti   +4 more
wiley   +1 more source

International VaR approach: Backtesting for different capital markets

open access: yesRevista Contabilidade & Finanças, 2019
This article aims to compare distinct metrics of the value at risk (VaR), differing from prior studies with respect about compare three asset categories belonging to seven countries.
Marília Cordeiro Pinheiro   +1 more
doaj   +2 more sources

Portfolio Selection under Systemic Risk

open access: yesJournal of Money, Credit and Banking, Volume 57, Issue 4, Page 905-949, June 2025.
Abstract This paper proposes a modified Sharpe ratio to construct optimal portfolios under systemic events. The portfolio allocation problem is solved analytically under the absence of short‐selling restrictions and numerically when short‐selling restrictions are imposed.
WEIDONG LIN   +2 more
wiley   +1 more source

ANALISIS PERBANDINGAN KINERJA VALUE AT RISK BERBASIS ARCH, GARCH, DAN EGARCH SEBELUM, SAAT, DAN SETELAH KRISIS GLOBAL TAHUN 2008 PADA JKSE, KLSE, STI, PSEI, HIS, KOSPI, SSE DAN N225

open access: yesJurnal Manajemen Indonesia, 2017
Relatif tidak stabilnya kondisi ekonomi global dikarenakan krisis global tahun 2008 membuat para investor cenderung lebih berhati-hati dalam memilih sektor saham untuk dapat menghindari risiko yang terjadi.
Riko Hendrawan, Pebri Yanida
doaj   +1 more source

Sustainability, Accuracy, Fairness, and Explainability (SAFE) Machine Learning in Quantitative Trading

open access: yesMathematics
The paper investigates the application of advanced machine learning (ML) methodologies, with a particular emphasis on state-of-the-art deep learning models, to predict financial market dynamics and maximize profitability through algorithmic trading ...
Phan Tien Dung, Paolo Giudici
doaj   +1 more source

Backtesting Analysis. How to Assess the Quality of PD Models in a Retail Banking

open access: yesPrace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu, 2019
The paper refers to the probability of default model validation procedure in retail banking. The author presents the idea of backtesting analysis focusing on sensitivity analysis of capital requirements under stress scenarios.
Paweł Siarka
doaj  

A Hypothesis Test for the Long-Term Calibration in Rating Systems with Overlapping Time Windows

open access: yesRisks
We present a statistical test for the long-term calibration in rating systems that can deal with overlapping time windows as required by the guidelines of the European Banking Authority (EBA), which apply to major financial institutions in the European ...
Patrick Kurth, Max Nendel, Jan Streicher
doaj   +1 more source

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