This paper offers new evidence on informed trading around merger and acquisition announcements from the UK equity and options market. The analysis suggests that in about 25%-33% of events there is abnormal option trading volume during the month that precedes the announcement. Such evidence is...

This paper examines conference call meetings held around merger and acquisition (M&A) announcements in the UK market. Our main findings indicate that conference calls not only facilitate the smoother transmission of M&A-related information in the stock market and smooth the rate of the...