Tiingo Data Quality: How We Find and Fix Market Data Errors

First – a bit of backstory: When I formed Tiingo in 2014 I ran into two major issues: (1) data licensing difficulty and (2) data quality issues. Once I purchased the enterprise licenses, the data those vendors sent me was filled with errors. This post digs into how we approach upstream disagreement, or more broadly, […] The post Tiingo Data Quality: How We Find and Fix Market Data Errors appeared first on Tiingo Blog .