WInterest rate
WAnnual percentage rate
WCox–Ingersoll–Ross model
WCredit card interest
WEffective interest rate
WEuribor
WFederal funds rate
WLibor
WMonetary Policy Committee (United Kingdom)
WOvernight market
WPrime rate
WReal interest rate
WTED spread
WU.S. prime rate
WUnited States housing bubble
WVasicek model
WKnut Wicksell
WZero interest-rate policy