The adage "The time to buy is when there's blood in the streets" advises a contrarian investment strategy of acquiring property or other assets during periods

The adage "The time to buy is when there's blood in the streets" advises a contrarian investment strategy of acquiring property or other assets during periods of extreme economic or market turmoil. The saying is attributed to 19th-century British banker Baron Rothschild, who is said to have profited significantly by purchasing assets during the panic that followed the Battle of Waterloo.