> His statement was that he was Citi Bank's best trader in 2011, which is true

Is it? Nothing in the FT articles indicates that, and they clearly state that 2 years prior a trader got a $100 million personal bonus (so on profits much higher than that). There can be good and bad years, but I seriously doubt $35 million would be the best worldwide, and all of his colleagues who agreed to speak seem to agree with that.