Historical
cap rates represent important pieces of commercial real estate data needed for investment property valuation. Investing in any specific property requires collection of most reliable real estate market data and very thorough understanding of prevailing property market environment and recent investment property valuation trends.

Historical cap rates can help investors establish realistic ranges within which cap rates for a particular property type can move. Such ranges are useful when performing sensitivity analysis for a project in trying to establish a range of plausible rates of return that can be achieved by the project or real estate investment. In estimating such returns, the analyst needs to calculate the expected resale price at the end of the holding period.
The most commonly used technique for estimating a resale price for an income-producing property is through the direct income capitalization approach, which divides the property's net
operating income with an expected exit cap rate. Historical cap rate data can help the analyst to establish a realistic range for such exit cap rates.
Issues with Cap Rate Data