Very formal. According to the inquiry of official website, a Swiss banking group, UBS's bulk app is formal. This app is a block trading platform developed by UBSAG, which aims to provide investors with one-stop block trading and investment management services, and is also a place for market information exchange. UBS provides complete market data, real-time price information, detailed risk analysis and transaction logs, as well as real-time statistical data of investors, providing a basis for investors to formulate investment strategies.