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Prior literature shows that the implied volatility spread between call and put options is a bullish signal for future returns on the underlying stocks. A common interpretation is that a high call-put implied volatility spread indicates favorable private information revealed by informed option...
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We model deposit insurance as a European put option on the value of the bank in which bank assets follow a displaced lognormal diffusion process. We derive closed-form solutions for the value of the bank for bank equity holders, depositors, and the deposit insurer under three deposit insurance...
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Informed traders often use options that are not in-the-money due to higher potential gains for a smaller upfront cost. Thus, trading activity by option moneyness should be a gauge of informed option trading. We construct a dollar volume-weighted average moneyness measure to capture option...
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Prior literature finds information is reflected in option markets before stock markets using daily and weekly trading volume, but evidence is mixed at the intraday level. Using novel intraday signed option volume data, we develop a composite option trading score (OTS) and document its stock...
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This study finds that firm life stage affects investor behavior around earnings announcements. Introduction and decline stage companies exhibit significantly less positive cumulative abnormal returns (CARs) around positive earnings surprises and more negative CARs around negative earnings...
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Equity option markets exhibit intense trading activity. We use the variability of option implied volatility spread as a proxy for the impounding of new information, and changes in the interpretation of existing information, into option prices. Over the 2006 – 2016 period, we find that the...
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