Real-Time Stock Screener. Scan the market for the most promising stocks in real time with our interactive Stock Screener. It covers the world's major stock exchanges and enables you to filter by various criteria, such as performance in different time frames (weekly, monthly, yearly etc.), or pick stocks based on fundamental data, like market cap, EBIT, EBITDA, net income & turnover. Teletrader is not affiliated with Charles Schwab & CO., Inc. The price information is time delayed to varying extents, but as a rule by 15 minutes or more, according to the regulations of the selected stock exchange and/or licensors and the type of securities. MetaTrader Installation Option for Mac OS. The trading terminal can be installed and used on computers running Mac OS by using Wine. Wine is a free software that allows users of Unix-like systems to run applications developed for use on Microsoft Windows systems.