Interactive Brokers Group, Inc. Class A Common Stock (IBKR) Valuation

Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $780 billion in customer equity at the end of 2025. The company cut its teeth as a market maker, in...

Interactive Brokers Group, Inc. Class A Common Stock (IBKR) currently trades at a P/E ratio of 41.68 (historical range: 19.43–42.08, median: 32.30), placing it at the 99th percentile — expensive relative to its history, P/S ratio of 6.71 (range: 2.80–6.77, 99th percentile — expensive relative to its history).

Over the historical period (2024-08-30 to 2026-08-28), Interactive Brokers Group, Inc. Class A Common Stock's P/E ratio has expanded by 25% over the observed period (from an average of 28.0 to 35.1).

Interactive Brokers Group, Inc. Class A Common Stock appears overvalued relative to its own historical valuation range, trading at elevated multiples across most metrics.