Brian Hunter, a tall, sandy-haired, self-described “math geek” from Calgary with a taste for expensive cars, was only 32 years old when he was blamed for sinking $9.6 billion hedge fund Amaranth Advisors, based in Greenwich, Conn., eight years ago this week. Facing trial in New York this October, Hunter finally put longstanding charges of energy…

The ‘Rogue Trader’ Who Got Away with It