research on this hypothesis to open-market share repurchases. Empirical tests showed that the implied volatility spread was not … implied volatility spread and subsequent stock return volatility around open-market share repurchase events. We concluded that … option traders have private information on the volatility of stock returns and superior information processing ability that …

show that there is an increased intensity of SEO abnormal return volatility and volume during economic disruptions. We find … evidence of abnormal return volatility and volume in standalone and restricted SEOs being higher relative to combined SEOs. We … also identify that higher performing sectors experience larger abnormal return volatility and volume. Finally, using an …