How does the Bitcoin Sentiment Index of Fear & Greed affect Bitcoin returns?

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Abstract

The efficient market hypothesis encounters scrutiny from behavioral finance insights, highlighting the pronounced influence of investor emotions on market dynamics, a phenomenon especially evident in the tumultuous cryptocurrency markets. This investigation utilizes the autoregressive distributed lag (ARDL) model and the error correction model (ECM) to examine the impact of the Bitcoin Sentiment Index (BSI), also known as the Crypto Fear & Greed Index (CFGI), on Bitcoin returns, leveraging monthly data spanning from 2016 to 2021. The ARDL analysis identifies a positive and statistically significant correlation between BSI and Bitcoin returns, indicating that strong sentiment may beneficially affect Bitcoin’s long-term returns. Concurrently, the ECM analysis reveals that fluctuations in the BSI positively influence the changes in Bitcoin returns in the short term. The error correction term demonstrates a significantly negative value, signifying an expedient adjustment toward long-term equilibrium following transient disturbances. These findings remain robust upon the integration of additional macroeconomic control variables. Unlike prior studies centered on singular sentiment indicators or limited temporal analyses, this research employs an extensive sentiment measure over an extended duration. The integrated application of ARDL and ECM methodologies facilitates a thorough and rigorous examination of short-term fluctuations alongside long-term equilibrium dynamics.

Keywords: Behavioural Finance, Bitcoin Sentiments, Bitcoin Returns, Cryptocurrency Market, Autoregressive Distributed Lag Model, Error Correction Model

Authors’ individual contribution: Conceptualization — Y.H.; Methodology — Y.H., T.X., C.X., and J.Z.; Formal Analysis — Y.H., T.X., C.X., and J.Z.; Data Curation — Y.H.; Writing — Original Draft — Y.H.; Writing — Review & Editing — T.X., C.X., and J.Z.; Supervision — C.X. and J.Z.; Funding Acquisition — C.X. and J.Z.

Declaration of conflicting interests: The Authors declare that there is no conflict of interest.

JEL Classification: G12, G41, C32, E42

Received: 22.01.2024
Accepted: 22.05.2024
Published online: 24.05.2024

How to cite this paper: Huang, Y., Xu, T., Xue, C., & Zhang, J. (2024). How does the Bitcoin Sentiment Index of Fear & Greed affect Bitcoin returns? Corporate Ownership & Control, 21(2), 121–131. https://doi.org/10.22495/cocv21i2art10