TradeStation Securities, Inc. (TradeStation), an award-winning*, self-clearing online brokerage for trading stocks, ETFs, options and futures, is bringing Level 2 market-depth streaming data services to its WebAPI, available for Stocks, Options and Futures. TradeStation aims to deliver the ultimate trading experience, and TradeStation’s API clients rely on it for access to real-time and historical market data, fast order-execution capabilities, and account and position information. The latest API release provides enhanced functionality with the ability for API users...