This paper examines the relationship between stock and option markets around SEO events. We compare option-implied volatility and realized volatility to show that option markets do not fully predict risk dynamics following equity issues. Moreover, we show that straddle strategies that explore...

This paper analyzes informed trading in acquiring firms through (stock) merger announcements. We show that pre-announcement abnormal option volumes in acquiring firms strongly increase ahead of a stock merger (by approximately 300%). Furthermore, we show that the direction of option trades (puts...

This paper examines the impact of law firm expertise on bidder and target shareholder wealth gains during mergers and acquisitions. After controlling for endogeneity in the matching between the mandating firm (bidder or target firm) and the law firm, we find that top-tier law firms increase the...

Research summary. This study analyzes whether and how the disruption of top management turnovers can affect not only turnover firms but also their intra-industry rivals. It thus adds to the literature on both leader life cycles and competitive dynamics. Using a U.S. sample of 857 CEO turnovers,...

This paper analyzes informed trading in acquiring firms through (stock) merger announcements. We show that pre-announcement abnormal option volumes in acquiring firms strongly increase ahead of a stock merger (by approximately 300%). Furthermore, we show that the direction of option trades (puts...