The volume-implied volatility relation in financial markets: A behavioral explanation

Massaporn Cheuathonghua and Chaiyuth Padungsaksawasdi

The North American Journal of Economics and Finance, 2024, vol. 71, issue C

Abstract: We examine the relation between trading volume and associated CBOE’s implied volatility in commodity ETFs, stock market indices, and stock market index ETFs by employing a new perspective, behavioral concepts. Availability, conservatism, and extrapolation biases work well in explaining the trading volume-implied volatility relations in all types of assets. Coefficients of contemporaneous and lagged trading volumes are statistically significant, showing that investors rely on recently observed or experienced due to their fresh memory and recent experience. This is supported by availability and conservatism biases. In addition, given statistically significant coefficients of lead trading volume, traders also overweigh recent situations when making a decision and are slow to change their former beliefs in the arrival of new information, supported by conservatism and extrapolation biases. The relation is more pronounced in the most extreme quintiles, demonstrating an asymmetric trading volume-implied volatility relation. Of all, the relation of euro currency is weakest. We conclude that difference in findings depends on types of assets, which have different patterns of volatility skew.

Keywords: Implied volatility; Trading volume; Commodity; ETF; Heuristics; Behavioral finance (search for similar items in EconPapers)
JEL-codes: G10 G40 G41 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecofin:v:71:y:2024:i:c:s1062940824000238

DOI: 10.1016/j.najef.2024.102098

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