spread

The rate that is added to the relevant index to determine the monthly interest rate of the loan, paid-spread-over-index rate plus the difference between the fixed coupon on the underlying note and the received fixed rate on the swap or for instruments with a coupon/dividend rate that is linked to the rate of a particular index (e.g., 1M LIBOR+50bps) at issuance. This is represented in basis points (bps).

For additional details refer to: https://www.federalreserve.gov/apps/reportingforms/Report/Index/FR_Y-14Q