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Risks, Volume 14, Issue 4

2026 April - 24 articles

Cover Story: We develop a practical framework for identifying and quantifying the hidden layers of risks and optionality embedded in American options by introducing stochasticity into one or more of their underlying determinants. The heuristic approach remedies the problems of conventional pricing systems, which treat some key inputs deterministically, hence systematically underestimate the flexibility and convexity inherent in early-exercise features. View this paper
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Articles (24)

  • Article
  • Open Access
2 Citations
3,381 Views
21 Pages

21 April 2026

This paper examines how scam compounds, money mules and crypto-assets operate as interdependent elements of contemporary money-laundering chains. It assesses whether existing anti-money laundering (AML) and crypto-asset regulatory frameworks are capa...

  • Feature Paper
  • Article
  • Open Access
562 Views
31 Pages

Parity Regression Estimation

  • Vali Asimit,
  • Ziwei Chen,
  • Bogdan Ichim and
  • Pietro Millossovich

21 April 2026

Multiple linear regression remains a foundational predictive methodology across a broad range of applications. We propose a novel regression framework that, rather than minimising the aggregate prediction error associated with the dependent variable,...

  • Article
  • Open Access
1,477 Views
18 Pages

21 April 2026

Machine learning-based credit risk models are commonly assessed using discrimination metrics alone. Such evaluation, however, does not fully capture economic consequences, temporal deployment conditions, or changes in the underlying risk environment....

(This article belongs to the Special Issue Stochastic Modeling and Computational Statistics in Finance)
  • Article
  • Open Access
1,279 Views
39 Pages

Quantile Domain Connectedness Between Climate Risks and Cryptocurrency Classes

  • Mosab I. Tabash,
  • Suzan Sameer Issa,
  • Loona Mohammad Shaheen,
  • Mohammed Alnahhal and
  • Zokir Mamadiyarov

21 April 2026

This research article explores whether the climate transition risk (CTR) and climate physical risk (CPR) transmit greater shocks towards the sustainable, gold-backed, energy-related and Sharia-compliant cryptocurrencies during bullish market conditio...

  • Article
  • Open Access
1,324 Views
12 Pages

17 April 2026

This study aims to predict stock market risk and improve preparedness for potential economic crises by identifying sharp declines in stock returns using classification-based machine learning models. Using ten years of KOSPI 200 index data (2015 to 20...

(This article belongs to the Special Issue AI for Financial Risk Perception)
  • Feature Paper
  • Article
  • Open Access
1 Citations
1,550 Views
24 Pages

17 April 2026

In insurance portfolios, classifying customers without a prior history at a given company is particularly challenging due to the absence of historical behavior, extreme class imbalance, heavy-tailed loss distributions, and strict operational constrai...

(This article belongs to the Special Issue Artificial Intelligence Risk Management)
  • Article
  • Open Access
1 Citations
834 Views
10 Pages

16 April 2026

This paper derives a closed-form expression for the expected discounted value of aggregate cash flows when arrival times follow a Poisson process but both the time horizon and the number of arrivals are finite. The result provides a tractable analyti...

(This article belongs to the Special Issue Stochastic Modeling and Computational Statistics in Finance)
  • Feature Paper
  • Article
  • Open Access
1 Citations
1,388 Views
24 Pages

Hidden Optionalities in American Options

  • Noura El Hassan,
  • Bacel Maddah and
  • Nassim Nicholas Taleb

14 April 2026

We develop a practical framework for identifying and quantifying the hidden layers of risks and optionality embedded in American options by introducing stochasticity into one or more of their underlying determinants. The heuristic approach remedies t...

  • Article
  • Open Access
1,590 Views
16 Pages

13 April 2026

This study analyzes the relationship between stock market returns and investment flows in investment funds in Spain. Through a quantitative analysis covering the period from December 2001 to June 2025, it examines not only the existence of a correlat...

(This article belongs to the Special Issue Applied Econometrics and International Finance: Analysis, Modeling, and Development)
  • Article
  • Open Access
970 Views
25 Pages

Modeling Structural Deviation in 10-K Risk Factors: A Semantic Anomaly Detection and Explainable AI Approach

  • Fang Sun,
  • Shuangjiang He,
  • Ruiqi Wang,
  • Lingyun Ke,
  • Hongyu Shen and
  • Qiuyue Liao

13 April 2026

This study presents an exploratory methodological framework for examining structural changes in regulatory risk disclosure using sentence embeddings, multivariate anomaly detection, and explainable artificial intelligence. Prior research typically re...

  • Article
  • Open Access
664 Views
23 Pages

13 April 2026

This paper introduces the Copula Asymmetry Index (CAI), a rolling, rank-based measure of asymmetric tail dependence between equity returns and implied-volatility proxies. CAI is defined as the difference between the empirical frequency of joint &ldqu...

  • Article
  • Open Access
750 Views
18 Pages

Risk-Sensitive Performance Evaluation of Life Insurance Markets in EU and EEA Countries: A MPSI–CoCoSo Approach

  • Neylan Kaya,
  • Aslıhan Ersoy Bozcuk,
  • Güler Ferhan Ünal Uyar,
  • Münevver Sena Özden,
  • Mustafa Terzioğlu,
  • Burçin Tutcu and
  • Hasan Talaş

10 April 2026

The life insurance sector plays a critical role in the financial stability of countries due to its long-term liability structure and strong interaction with the financial system. The aim of this study is to evaluate the performance of the life insura...

  • Article
  • Open Access
3 Citations
6,270 Views
63 Pages

A Comparative Analysis of Overnight vs. Daytime Static and Momentum Strategies Across Sector ETFs

  • Gourav Salotra,
  • Tharunya Katikireddy,
  • Yaswanth Anumolu and
  • Eugene Pinsky

8 April 2026

This study examines overnight vs. daytime static and momentum strategies applied to ten sector Exchange-traded funds (ETFs) over a 27-year period from 1999 to 2025. Our findings reveal that several such strategies, particularly reversal strategies, c...

  • Article
  • Open Access
2 Citations
1,302 Views
24 Pages

A First Step Toward a CAT Model Framework: An ODE-Based Risk Analysis of Urban Floods Triggered by Meteorological Events

  • Beatriz A. Curioso,
  • Manuel L. Esquível,
  • Gracinda R. Guerreiro,
  • Nadezhda P. Krasii and
  • Pedro A. C. Sousa

2 April 2026

This paper presents a physics-based hazard model for catastrophe (CAT) modelling of urban flood risk—a first step toward a complete CAT modelling framework. We introduce a linear second-order ordinary differential equation (ODE) system to simul...

(This article belongs to the Special Issue Catastrophe Risk)
  • Article
  • Open Access
1,085 Views
19 Pages

2 April 2026

Like other agricultural products, food legumes production faces uncertainty risks stemming from climate change, which may affect yields and consequently impact farmers’ livelihoods. Agricultural insurance serves as one of the climate change ada...

  • Article
  • Open Access
1 Citations
1,431 Views
24 Pages

2 April 2026

This study examines whether IAS 38-recognized identifiable intangible assets (excluding goodwill) are associated with corporate leverage in Thailand, an emerging bank-dominated financial system, and whether that relationship changed after the COVID-1...

  • Article
  • Open Access
1,494 Views
12 Pages

1 April 2026

This research examines market reactions to financial distress announcements by small privately held Canadian oil firms operating in the upstream sector between 2015 and 2021, employing an event study methodology, with daily spot prices for Brent and...

(This article belongs to the Special Issue Corporate Governance and Risk Management at Financial Institutions)
  • Feature Paper
  • Article
  • Open Access
1,242 Views
15 Pages

1 April 2026

Inclusive insurance plays a critical role in reducing household vulnerability in developing countries such as Indonesia. This study investigates the factors influencing inclusive insurance participation across regencies in the Special Region of Yogya...

  • Article
  • Open Access
825 Views
21 Pages

The Dynamics Between Dividends and Index Value in South Africa

  • Olushola Christy Akilo and
  • Milan Christian De Wet

1 April 2026

Optimal dividend policy remains a key topic of debate in corporate finance, particularly in emerging markets where investor preferences and macroeconomic volatility affect decision making. This study therefore examines the relationship between divide...

  • Article
  • Open Access
3 Citations
4,470 Views
39 Pages

Understanding FinTech Adoption Drivers for Digital Financial Sustainability in Urban and Rural MSMEs

  • Budi Setiawan,
  • Sasiska Rani,
  • Emilda Emilda,
  • Firmansyah Arifin and
  • Dinarossi Utami

1 April 2026

This study investigates the determinants of FinTech adoption and its role in supporting financial inclusion among micro, small, and medium enterprises (MSMEs) in South Sumatra, Indonesia. The analysis applies an extended Unified Theory of Acceptance...

  • Article
  • Open Access
1 Citations
2,112 Views
25 Pages

1 April 2026

This research examines Jordanian risk disclosure policies and how board size, meeting frequency, CEO duality, and board expertise affect them, exploring how political ties moderate the link between board features and risk disclosure. In 2014–20...

  • Article
  • Open Access
2 Citations
1,244 Views
32 Pages

31 March 2026

Conventional VAR-based volatility spillover measures rely on homoskedasticity and single-Gaussian assumptions, limiting their ability to capture structural breaks and heterogeneous shocks during crises. This study develops a flexible framework to ana...

(This article belongs to the Special Issue Advances in Volatility Modeling and Risk in Markets)
  • Feature Paper
  • Article
  • Open Access
1 Citations
1,487 Views
14 Pages

27 March 2026

Exogenous shocks can affect equity markets by changing volatility and cross-market co-movement. This study examines how two U.S.-centred events, treated as different shock types, influence time-varying conditional correlations between the U.S. stock...

(This article belongs to the Special Issue Volatility Modeling in Financial Market)
  • Article
  • Open Access
1,579 Views
63 Pages

Critical Regimes of Systemic Risk: Flow Network Cascades in the U.S. Banking System

  • Samuel Montañez Jacquez,
  • Luis Alberto Quezada Téllez,
  • Rodrigo Morales Mendoza,
  • Ernesto Moya-Albor,
  • Guillermo Fernández Anaya and
  • Milagros Santos Moreno

26 March 2026

Systemic risk in banking systems arises from losses transmitted through networks of contractual exposures. Yet, most widely used measures rely on market-implied volatility and equity prices rather than structural balance sheet fragilities. This paper...

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Risks - ISSN 2227-9091