When Derivatives Go Wrong

Derivatives are useful tools, but leverage and hidden risks have caused some of finance’s biggest disasters. Here are famous blowups, from a bank brought down by one trader to oil futures that went below zero.

Famous disasters

YearEventWhat went wrong
1994Orange County, CaliforniaLeveraged interest rate bets lost about $1.6 billion; the county went bankrupt
1995Barings BankOne trader’s hidden futures losses of about £827 million sank a 233-year-old bank
1998Long-Term Capital ManagementHighly leveraged bets unraveled; banks organized a $3.6 billion rescue
2008AIGCredit default swap losses required a government rescue
2021Archegos CapitalSwap-based stock bets collapsed; banks lost more than $10 billion

Public-record history.

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