Shares of the stock look expensive, but are at a reasonable price compared to the company's growth potential.

The performance of the Interactive Brokers Group IBKR stock has been impressive this year. Its shares have rallied 47.2%, outperforming the industry’s 38.5% growth and the S&P 500 Index’s 19.7% rise.

Interactive Brokers operates across 160 market centers in 36 countries, with approximately 84% of its customers located outside of the United States. The company's highly automated platform allows it ...