2008 Société Générale trading loss the bank. Kerviel joined the middle offices in the bank Société Générale in the summer of 2000, working in its compliance department. In 2005 he was promoted to the bank's Delta One products team in Paris where he was a junior trader. Société Générale’s Delta One business includes program trading, exchange-traded funds (ETFs), swaps, index and quantitative trading. Bank officials claim that throughout 2007, Kerviel had been trading profitably in anticipation of falling market prices; however, they have accused him of exceeding his authority to engage in unauthorized trades totaling as much as €49.9 billion, a figure far higher than
Jérôme Kerviel experts have expressed skepticism of the bank's account, saying that a pattern of closing out trades within the three-day cycle alleged could not be accomplished given the immense sums involved. Kerviel is not thought to have profited personally from the suspicious trades. Prosecutors say Kerviel has been cooperative with the investigation, and has told them his actions were also practiced by other traders in the company. Kerviel admits to exceeding his credit limits, but claims he was working to increase bank profits. He told authorities that the bank was happy with his previous year's performance, and was expecting to be