The Big Short (2015) is a dark comedy-drama film based on the non-fiction book of the same name by Michael Lewis. It follows the lives of four outsiders in the world of high-finance who predict the credit and housing bubble collapse of the mid-2000s
From Wikipedia
The Big Short: Inside the Doomsday Machine is a nonfiction book by Michael Lewis about the build-up of the United States housing bubble during the 2000s. It was released on March 15, 2010, by W. W. Norton & Company. It spent 28 weeks on The New York Times best-seller list, and was the basis for the 2015 film of the same name.