Key Takeaways Interactive Brokers has gained 56.2% YTD, outpacing the broader market and the industry's growth.IBKR's launches across markets and products strengthen its global reach and client engagement.Despite growth drivers, IBKR's premium valuation suggests a cautious stance for new investors.Shares of Interactive Brokers Group, Inc. (IBKR) have gained 56.2% so far this year, outperforming the S&P 500 Index’s 12.2% rise and the industry’s 24.1% growth. Since the beginning of this year, IBKR has been be ...