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Option Smile Volatility and Implied Probabilities: Implications of Concavity in IV Curves

Darsh Kachhara, John K. E Markin and Astha Singh

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Abstract: Earnings announcements (EADs) are corporate events that provide investors with fundamentally important information. The prospect of stock price rises may also contribute to EADs increased volatility. Using data on extremely short term options, we study that bimodality in the risk neutral distribution and concavity in the IV smiles are ubiquitous characteristics before an earnings announcement day. This study compares the returns between concave and non concave IV smiles to see if the concavity in the IV curve leads to any information about the risk in the market and showcases how investors hedge against extreme volatility during earnings announcements. In fact, our paper shows in the presence of concave IV smiles; investors pay a significant premium to hedge against the uncertainty caused by the forthcoming announcement.

Date: 2023-07, Revised 2023-11
New Economics Papers: this item is included in nep-fmk and nep-rmg
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Handle: RePEc:arx:papers:2307.15718