Is Interactive Brokers Group, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Interactive Brokers Group, Inc. moved from expensive to fair. The company appears to be fairly valued based on its current metrics. Key ratios include a P/E ratio of 113, a Price to Book Value of 19.89, and an EV to EBITDA of 2.16.
In comparison to its peers, State Street Corp. has a P/E of 16.53, while LPL Financial Holdings, Inc. has a P/E of 34.83, indicating that Interactive Brokers is trading at a premium relative to these companies. Despite the recent stock performance showing a 1-year return of 77.29% compared to the S&P 500's 14.08%, the long-term returns over 3 years and 5 years are notably lower than the benchmark, suggesting potential volatility ahead.