Central Bank Market Backstops May Fuel Leverage and Future Crises

What happened

A Wall Street Journal analysis reported that central bank emergency facilities may encourage excessive leverage and indirectly lower government borrowing costs. Hedge funds' US Treasury holdings reached $2.4 trillion at the end of 2025, up from $600 billion a decade earlier, with leverage sometimes up to 100 times. Bank of England Chief Economist Huw Pill warned that mechanisms meant to reduce financial vulnerability could create new weaknesses, citing the Bank of England's 2022 gilt purchases as a better model.

Why it matters

The expectation of central bank intervention can reduce perceived risk, encouraging investors to take on more debt and pushing government bond yields lower. This arrangement works until markets turn sharply and leveraged positions unwind, potentially forcing central banks to intervene again, reinforcing expectations of future support. Designing facilities that restore liquidity during emergencies without providing a standing guarantee is a key challenge, as seen with the Fed's 2023 rescue facility that required tightened terms.