What Is STOXX? STOXX, part of Deutsche-Borse Group, offers key market indexes for both Europe and global markets. Some of the more notable indexes provided by STOXX include Euro Stoxx 50, Stoxx Euro 600, Euro Stoxx 50 ESG, and the Stoxx Global 1800. STOXX partners with major financial institutions worldwide. Key Takeaways STOXX, a subsidiary of Deutsche-Borse Group, provides key European market indexes like the Euro Stoxx 50 and Stoxx Europe 600.