Introducing: Pre-engineered Stock Fundamental Features at is pleased to announce the launch of our new pre-engineered stock fundamental features. These features are ratios and indicators that have been constructed from the quarterly and annual financial statements of public companies. In the US, these are the 10-Q and 10-K filings to the SEC. Multiple independent studies have shown that merging fundamental and technical features can predict returns more accurately than using technical features alone. (For example, Cao and You, 2020.) [...]