Prime broker

The bank department that services hedge funds — custody, financing, securities lending, margin. Concentrated enough that one fund's failure (Archegos) can hit five banks at once.

Where Prime broker is explained in depth

The definition above is the short version. These pages put it to work, in the order they use it most:

Terms this definition uses

The whole glossary

Information and education only. Every page, figure and calculator on this site exists to explain how financial instruments work. Nothing here is investment, tax or legal advice, a recommendation, or a valuation you can rely on. Full disclaimer