Which hedge fund’s 1998 collapse intensified fears after Russia’s debt default and threatened the global financial system?

Long-Term Capital Management was the hedge fund whose 1998 collapse intensified fears after Russia’s debt default.

LTCM used highly leveraged trading strategies, including bets that price differences between related securities would converge. Its founders included Nobel Prize-winning economists and experienced Wall Street traders, which contributed to confidence in the firm’s methods. Russia’s August 1998 default disrupted markets and caused investors to flee risky positions, producing losses that LTCM could not absorb.

The Federal Reserve Bank of New York helped organize a private-sector rescue in September 1998. The episode did not involve a formal government bailout of LTCM, but it raised major concerns about systemic risk and the dangers of leverage. LTCM is often confused with Bear Stearns or Lehman Brothers, which were investment firms central to the 2007–2008 financial crisis.