When Genius Failed: The Rise and Fall of Long-Term Capital Management is a book by Roger Lowenstein published by Random House on October 9, 2000.

The book tells an unauthorized account Long-Term Capital Management (LTCM), a hedge fund staffed with prominent academics and investors, which had early success for several years before an abrupt collapse and rushed bailout organized by government officials.

The book's account is largely based on interviews conducted with former employees of LTCM, banks involved in the rescue, and officials at the Federal Reserve.

[2] The book tells the true story of the bailout of Long-Term Capital Management (LTCM), an American hedge fund founded in 1993.

[5] Founder John W. Meriwether had previously used computer modeling to aid in trading at Salomon Brothers in the 1980s, and he brought much of his team to LTCM when it was founded.

[2] Publishers Weekly gave the historical coverage a positive review, but also wrote that the author "obscures his narrative with masses of data and overwritten prose.