How Zillow’s new sales metric compares to others

October 13, 2014

This month, Zillow released a new metric measuring total sales volume in a given month and over time.


The metrics are computed using a latency-adjusted count to calculate home sales by the county, allowing it to capture all real-estate transactions. Moreover, the Zillow series is built on a different data footprint than others, only including arm’s length transactions of new and existing standard home sales. Though data from Zillow and the NAR for August home sales were similar, the data series themselves differ and they may move in different directions in the future.


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