Hedge funds have warned the Bank of England (BoE) that its planned changes to the UK gilt repo market could create new risks instead of cutting them. They fear stricter clearing and haircut rules may reduce liquidity. That could push some funds towards overnight financing and add pressure during market stress.
The Alternative Investment Management Association (AIMA) has warned the BoE that its planned gilt repo reforms could have unintended effects. The BoE wants to make the market more stable after past periods of stress. Its proposals include wider use of central clearing and minimum haircuts for some repo trades that are not centrally cleared. AIMA argues these changes could make short-term funding harder to get for hedge funds and other market players.
Why Is the Bank of England Considering Gilt Repo Reforms?
The BoE has been reviewing risks in the gilt repo market after two events: the 2020 “Dash for Cash” and the 2022 liability-driven investment crisis. A repo market lets investors borrow cash against assets such as UK government bonds, known as gilts.
The BoE wants to cut the risk from high leverage and sudden liquidity pressure. It is looking at two main tools:
- Central clearing: a central counterparty sits between buyers and sellers.
- Minimum haircuts: lenders must apply a minimum discount to the value of securities used in certain repo trades.
Why Are Hedge Funds Concerned About the Reforms?
AIMA says the reforms could change how hedge funds get short-term finance. Its main worry is that stricter clearing or margin rules could push some funds away from longer repo deals. They may rely more on overnight financing, which means renewing funding every day.
That may work in calm markets. In a period of stress, daily refinancing could get much harder. It could create greater rollover and liquidity risk. AIMA also warns that relying too much on central clearing could concentrate risk in key market infrastructure.
How Big Is the UK Gilt Repo Market?
Hedge funds already play a major role in the UK gilt repo market. Current figures show total net borrowing of around £200 billion. Hedge funds account for roughly £85 billion of that. So, changes to repo rules could hit a key part of the market that supports liquidity and gilt trading.
AIMA has asked the BoE to look at the results of similar US reforms before it finalises big UK changes. The US Treasury repo clearing requirement reaches an important compliance stage on 30 June 2027.
What Could This Mean for UK Businesses and Investors?
The proposals mainly target financial institutions, hedge funds, banks and other gilt and repo market players.
But wider disruption in gilt markets can affect financial conditions across the UK. Changes in liquidity can move gilt prices, investment conditions and the cost of raising finance, which in turn feeds through to business borrowing and cash flow planning.
So, business owners, investors and corporate finance teams should watch how the BoE shapes its final approach.
Most UK businesses need to take no action now. The proposals are not final rules. Still, if you have large investments, treasury exposure or borrowing plans, keep an eye on major shifts in UK financial markets, ideally with support from a virtual finance director who can monitor the impact on your treasury position.
What Happens Next?
The BoE is still deciding how to make the gilt repo market more resilient. The debate now centres on one question: can stronger safeguards work without creating new liquidity problems? For businesses and investors, the key point is that the rules are still developing.
How Can Lanop Help You Prepare for Market Changes?
Lanop tracks key UK financial, tax and regulatory news. We help businesses see how wider market changes may affect their planning, cash flow and financial decisions as part of wider tax planning.
If you need help with financial planning, investment structure or wider business strategy, Lanop’s business and tax advisers can help you assess your position and prepare for changing market conditions.
