2008 Société Générale trading loss taken massive fraudulent directional positions in 2007 and 2008 far beyond his limited authority" and that the trades involved European stock index futures. Though bank officials say Kerviel apparently worked alone, skeptics question how unauthorized trading of this magnitude could go unnoticed. Kerviel's unassuming background and position have heightened the skepticism that he worked alone. Some analysts suggest that unauthorized trading of this scale may have gone unnoticed initially due to the high volume in low-risk trades normally conducted by his department. The bank said that whenever the fake trades were questioned, Kerviel would describe it as a mistake then
2011 UBS rogue trader scandal trades, and then the bank informed the Financial Services Authority and the police. On 16 September, it was announced that City of London Police charged Adoboli with fraud by abuse of position and false accounting. On 18 September 2011, UBS issued a statement which revealed the losses from the alleged unauthorized trading stood at $2.3 billion. The rogue trader reportedly racked up the losses by speculating on EuroStoxx, DAX and S&P 500 indexes. The prosecutor in Adoboli's trial, Sasha Wass, stated that Adoboli "was a gamble or two from destroying Switzerland's largest bank for his own benefit." According to "Business