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Is your interest rate calculated on a daily, monthly, quarterly, semi-annual or annual basis? It can make a difference in your effective interest rate. On a 4% mortgage, if interest is calculated daily, the effective rate is 4.0808%. If it’s calculated monthly, it’s 4.074%; quarterly, 4.06045%; and bi-annually, 4.04%. How your interest is calculated becomes a much bigger issue as you get into higher rates.
