Rogue trader

In financial trading, a rogue trader is an employee authorized to make trades on behalf of their employer (subject to certain conditions) who makes unauthorized trades. It can also involve mismarking of securities. The perpetrator is a legitimate employee of a company, but enters into transactions on behalf of their employer, or mismarks securities held by their employer, without their employer's permission. One famous rogue trader is Nick Leeson, whose losses on unauthorized investments in index futures contracts were sufficient to bankrupt his employer Barings Bank in 1995. Through a combination of poor judgment on his part, increasingly large initial profits, lack of oversight by management, a naïve regulatory environment, and an unforeseen outside event, the Kobe earthquake, Leeson in...