The brain trade company's self-image is represented in the name, which acts rationally. They administer the XONTRO stock exchange system and the INVESTRO fund processing platform under the product names BOSS-CUBE and BGA. XONTRO has been an established and professional order routing, trading, and settlement system and is a joint subsidiary of seven German stock exchanges. XONTRO is a dynamic system with successful execution that now has a new name. Our goal is to continuously improve XONTRO, make distributed access easier, and create new interfaces for new markets and market users.