Meaning
This rate shows the actual annual interest, considering how often it’s calculated or compounded.Definition
The Effective Interest Rate (EIR) is the true annual interest rate on a loan or investment, factoring in the impact of compounding over a year. It gives a clearer view than just the stated nominal rate.How It’s Calculated
It adjusts the nominal interest rate based on the frequency of compounding (e.g., monthly, quarterly). More frequent compounding leads to a higher EIR.Significance
EIR is vital for comparing financial products to understand the real cost of borrowing or the actual return on savings.Author
