basis risk
Noun


1. The possibility that a change in interest rate will cause a change in the yield on different rate-sensitive assets, liabilities and off-balance sheet items by a different magnitude, which occurs when the interest-rate relationship changes between the indices to which the assets and their funding are linked.
2. The risk that the value of a futures contract does not move in line with the spot underlying.

Synonym(s): 
  • spread risk (1.).