Publication detail

Diversification Among Cryptoassets: Bitcoin Maximalism, Active Portfolio Management, and Survival Bias

Author(s): prof. PhDr. Ladislav Krištoufek Ph.D.,
Ing. Weizhi Sun ,
Type: IES Working Papers
Year: 2021
Number: 31
ISSN / ISBN:
Published in: IES Working Papers 31/2021
Publishing place: Prague
Keywords: cryptocurrencies, cryptoassets, Bitcoin, diversification, portfolio management, survival bias
JEL codes: G11, G15, G19, G23
Suggested Citation: Sun W. and Kristoufek L. (2021): "Diversification Among Cryptoassets: Bitcoin Maximalism, Active Portfolio Management, and Survival Bias" IES Working Papers 31/2021. IES FSV. Charles University.
Abstract: Cryptoassets, particularly Bitcoin, have attracted the attention of institutional investors during the latest price rallies of 2020 and 2021. The need for cryptoassets apart from Bitcoin in their portfolios is mostly unexplored in the current literature, and the general perception of diversification benefits within cryptomarkets mostly builds on popular beliefs. The current study is a deep dive into active and passive investment strategies focusing on specifics of cryptoassets, the most important of which is the survival bias in the portfolio dataset construction and its implications. We show that survival bias does in fact drive the results at their very core and that the differences between using the backward-looking subset of assets and actual assets available at the time of portfolio construction are substantial and lead to completely different implications and investment suggestions. It turns out that active portfolio management does not pay off in most instances compared to simply holding Bitcoin.
Downloadable: wp_2021_31_sun_kristoufek

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