It all started with, that yesterday morning in the computer system of the Stockholm Stock Exchange (Stockholm Stock Exchange) an unusually large lot for purchase appeared 4294967290 stock index futures. The stock index is calculated based on stock quotes 30 largest companies by capitalization. Each futures has a value of almost 107000 crown. In this way, общая стоимость лота составляет 459 561 500 030 000 crown, that is almost 460 trillion crowns! Lot price in 131 times the gross domestic product of Sweden.