Here is the list of extremely unlucky traders. Julian Robertson tops the list of the most unfortunate as he lost a whopping $17 billion on currency and stock exchanges. Jerome Kerviel is ranked second losing over $7 billion trading euro futures contracts. Brian Hunter takes the bronze losing $6.5 billion on futures. He is followed by John Meriwether, who incurred losses at $5.8 billion in bonds. Yasuo Hamanaka lost more than $2.5 billion on futures.