The stock screener uses a selection of high quality data suppliers, the names of which we are not allowed to mention due to contractual reasons.
By investors for investors
We use the screener to invest our own money (that is how it started) and thus have a big incentive to make sure the data is up to date and correctly calculated.
Updated daily
The screener is updated daily with the previous day's closing prices (including financial results).
We have had very few problems with the data in the past, mainly definition changes, that were corrected very quickly.
We also have a very active community of users that point out inconsistencies which we correct as fast as possible.
This guide shows you just how easy it is to set up your first screen with the Quant Investing stock screener:
Quant Investing Screener Quick Start Guide
Keywords: is the data correct, how accurate is the data, quality data