Where does CompStak data come from?

Our data is received through CompStak Exchange - our network of 35,000+ verified brokers, appraisers, and researchers who submit the comps they have, to receive credits and unlock the comps they need. Every comp then undergoes a thorough verification process that includes: 

Data Verification
To ensure every comp in our database is the most accurate and complete transaction record available, CompStak utilizes three methods to verify our lease and sales information.

Machine Learning
Our statistical anomaly detection system and machine learning algorithms identify outlier lease data for in-depth review. With every comp on our database received an average of five times, we're able to identify discrepancies right away.

Analyst Review
CompStak's team of dedicated real estate analysts and data scientists investigate and correct comp anomalies to further ensure accuracy. Their process includes cross-checking lease details across multiple submissions, researching the market and reaching out to the brokers as needed to confirm details.

Community Regulation
Pre-screened and trusted CRE professionals comprise the CompStak crowd-source community. When members consistently provide accurate lease and sale information, we reward them with access to more lease and sale comps. 

Learn more about our data validation process here.