Shares of Interactive Brokers Group (IBKR) have soared 80.5% this year. This impressive rise has significantly outpaced the 28.1% rally of the industry it belongs to and the 22.9% growth of the Zacks S&P 500 composite.Compared with its peers in the brokerage space, IBKR’s performance is notably stronger. Charles Schwab (SCHW) has gained just 3%, while Tradeweb Markets Inc. (TW) stock is up 47.9% in the same timeframe.Year-to-Date Price Performance Image Source: Zacks Investment ResearchOn Oct. 15, IBKR anno ...