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The ad hoc Black-Scholes (AHBS) model is one of the most widely used option valuation models among practitioners models. The main contribution of this study is methodological. We have two main results: (1) we make the empirical observation that typically the call and put sneers are discontinuous...
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Analyzing a large sample of U.S. firms, we show that the asymmetry of stock return volatility is positively related to …. Furthermore, the effect of attention is strongest among stocks with low institutional ownership and high idiosyncratic volatility …. Our results are robust to the traditional "leverage effect'' explanation of volatility asymmetry. The findings relate to …
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