Does Bitcoin add value to global industry portfolios?

Damian S. Damianov, Ahmed H. Elsayed

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

Bitcoin has been increasingly viewed as a new form of investment, yet its role as an asset in a diversified industry portfolio is not well understood. In this paper, we explore the dynamic interdependence between Bitcoin and the ten global industry sectors classified by the Global Industry Classification Standard. We find, in accordance with previous literature, that Bitcoin is relatively isolated from traditional industries. While the near-zero correlation with traditional financial assets offers some diversification benefits to investors, these benefits are counterbalanced by the volatility of the asset. Bitcoin's optimal presence in a minimum variance portfolio is only about 1 percent – a weight that is robust to various methods for estimating the return covariance matrix. Bitcoin's optimal weight in portfolios maximizing Sharpe and Sortino ratios are on the magnitude of 10 to 20 percent. Hence, the value of Bitcoin as an asset in a diversified portfolio critically depends on investors’ views about the future of Blockchain technology.

Original languageEnglish
Article number108935
JournalEconomics Letters
Volume191
DOIs
Publication statusPublished - Jun 2020
Externally publishedYes

Keywords

  • Bitcoin
  • Global industry sectors
  • Portfolio diversification
  • Return spillovers

ASJC Scopus subject areas

  • Finance
  • Economics and Econometrics

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