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Connectedness and investment strategies of volatile assets: DCC-GARCH R2 analysis of cryptocurrencies and emerging market sectors

Aslam, Adnan; Brahmana, Rayenda Khresna

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Authors

Adnan Aslam

Rayenda Khresna Brahmana



Abstract

This study investigates the return propagation dynamics between cryptocurrencies and emerging market sectoral indices (EMSI), focusing on portfolio impact from Bitcoin, Ethereum, and two gold-backed cryptocurrencies (PAXG and X8X). Using data from 2019 to 2024, we apply a novel DCC-GARCH-based R2 decomposed connectedness approach to analyse return connectedness among these high-risk assets. We also utilize innovative concepts such as minimum dynamic pairwise connectedness and minimum R2 decomposed connectedness portfolios in our multivariate hedging portfolios. Our findings reveal that total connectedness is time-variant and influenced by economic events. Bitcoin and Ethereum are identified as net transmitters of shocks, while other assets, particularly gold-backed cryptocurrencies, serve as net shock receivers with minimal impact. Moreover, few EMSIs (financials, industrials, and materials sectors) show significant connectedness in the system. Although our suggested portfolio analysis offers improved returns, none consistently outperform the market. This research offers valuable insights for investors and policymakers regarding the interconnectedness and risk management of cryptocurrencies and EMSI.

Journal Article Type Article
Acceptance Date Mar 12, 2025
Online Publication Date Mar 13, 2025
Publication Date Jul 31, 2025
Deposit Date Jul 14, 2025
Publicly Available Date Jul 15, 2025
Journal Borsa Istanbul Review
Print ISSN 2214-8450
Electronic ISSN 2214-8469
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 25
Issue 4
Pages 649-660
DOI https://doi.org/10.1016/j.bir.2025.03.004
Keywords Dynamic connectedness; DCC-GARCH; R2 decomposition; Cryptocurrencies; Emerging markets; Sectoral indices
Public URL https://uwe-repository.worktribe.com/output/14697386
Additional Information This article is maintained by: Elsevier; Article Title: Connectedness and investment strategies of volatile assets: DCC-GARCH R2 analysis ofcryptocurrencies and emerging market sectors; Journal Title: Borsa Istanbul Review; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.bir.2025.03.004; Content Type: article; Copyright: Copyright © 2025 Borsa İstanbul Anonim Şirketi. Published by Elsevier B.V.
This output contributes to the following UN Sustainable Development Goals:

SDG 8 - Decent Work and Economic Growth

Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all

SDG 9 - Industry, Innovation and Infrastructure

Build resilient infrastructure, promote inclusive and sustainable industrialisation and foster innovation

SDG 16 - Peace, Justice and strong institutions

Promote peaceful and inclusive societies for sustainable development, provide access to justice for all and build effective, accountable and inclusive institutions at all levels

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