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Does government ownership differently impact expected left-tail and volatility risk of bank stock? Evidence from options market

Pranjal Srivastava, Sumit Saurav and Abinash Mishra

Journal of Corporate Finance, 2025, vol. 94, issue C

Abstract: We examine the differences in the options implied left-tail risk and volatility of government-owned and private banks in India. We show that left-tail risk and the cost of insurance for protection against it are high for private banks as compared to government-owned banks, despite their superior asset quality. The COVID-19 crisis, an exogenous shock to systematic risk, increased the left-tail risk more for private banks. Furthermore, the effect of government ownership on left-tail risk is more significant for smaller banks compared to larger banks. Contrary to our left-tail risk result, we find that government-owned banks have higher near-the-money options implied volatility than private banks. Our findings suggest that while government ownership mitigates expected downside risk, it also leads to higher expected volatility due to riskier lending policies and uncertainties about capital infusions.

Keywords: Government ownership; Banks; Left-tail risk; Implied volatility; Options market; India (search for similar items in EconPapers)
JEL-codes: G13 G21 G28 H81 (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:corfin:v:94:y:2025:i:c:s0929119925001002

DOI: 10.1016/j.jcorpfin.2025.102832

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