Home » Appraisal Ratio Appraisal Ratio ALLABCDEFGHIJKLMNOPQRSTUVWXYZ(1) The ratio of the appraised value to an indicator of market value. (2) By extension, an estimated fractional relationship between the appraisals and market values of a group of properties. See level of appraisal.Related Articles: Glossary: Confidence LevelGlossary: Independent AppraisalGlossary: Ratio StudyRelated Terms:Term: Level of AppraisalTerm: Appraised ValueTerm: Market ValueTerm: RelationshipTerm: Market