Investing

High alert: Why the latest private equity innovation is worrying central bankers

Nav-financing is growing rapidly in the private equity market, but regulators are watching closely

City regulators have raised concerns about “leverage upon leverage” arrangements. Picture: Getty

As British regulators get increasingly agitated about banks' exposure to private equity risks, one blind spot is generating particular unease.

Net asset value (Nav) financing is far from a new innovation, but in private equity circles it is increasingly a booming market - one estimate suggests it could grow to $700 billion over the next five years.

Essentially a loan from a bank secured against an asset portfolio, the rapid growth is worrying officials at ...