A record number of listed US options were traded in May 2010. A total of 406m were traded in the month, up 29% from 315m in May 2009. This marks the first time that monthly volume has surpassed 400m contracts.
During the month, the euro was in crisis. There were also extreme price swings and market volatility in US equities on May 6, on which a daily record was set, and for days following it. On...