Interactive Brokers Group, Inc. (IBKR) P/E Ratio History
Historical price-to-earnings valuation from 2007 to 2025
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IBKR Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 6, 2026, Interactive Brokers Group, Inc. (IBKR) trades at a price-to-earnings ratio of 37.8x, with a stock price of $83.91 and trailing twelve-month earnings per share of $2.20.
The current P/E is 73% above its 5-year average of 21.8x. Over the past five years, IBKR's P/E has ranged from a low of 14.7x to a high of 32.9x, placing the current valuation at the 100th percentile of its historical range.
Compared to the Financial Services sector median P/E of 13.3x, IBKR trades at a 184% premium to its sector peers. The sector includes 779 companies with P/E ratios ranging from 0.0x to 197.4x.
The PEG ratio of 1.27 (P/E divided by 28% EPS growth) suggests a fair valuation relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, IBKR commands a significant premium over the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our IBKR DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
IBKR P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $164B | 30.9 | 13.50 | +18% | |
| $8M | 0.3Lowest | - | -68% | |
| $31B | 15.4 | 0.72 | +6% | |
| $26B | 30.0 | 2.26 | -22% | |
| $6B | 18.4 | - | +11% | |
| $301B | 23.8 | 2.67 | +53% | |
| $285B | 22.7 | 1.62 | +77%Best | |
| $6B | 20.8 | 3.38 | +6% | |
| $69B | 37.6 | 0.14Best | +31% | |
| $56B | 31.7 | 0.32 | +27% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
IBKR Historical P/E Data (2007–2025)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $64.31 | $2.22 | 29.0x | +5% |
| FY2025 Q3 | $68.81 | $2.09 | 32.9x | +19% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $55.41 | $1.92 | 28.9x | +4% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $41.40 | $1.82 | 22.7x | -18% |
| FY2024 Q4 | $44.17 | $1.74 | 25.5x | -8% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $34.84 | $1.60 | 21.7x | -22% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $30.65 | $1.57 | 19.5x | -30% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $27.93 | $1.46 | 19.1x | -31% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $20.73 | $1.42 | 14.7x | -47% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $21.64 | $1.37 | 15.8x | -43% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $20.77 | $1.23 | 17.0x | -39% |
| FY2023 Q1 | Fri Mar 31 2023 00:00:00 GM | $20.64 | $1.10 | 18.7x | -33% |
Average P/E for displayed period: 27.7x
Full IBKR Stock Analysis
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Start ComparisonIBKR — Frequently Asked Questions
Quick answers to the most common questions about buying IBKR stock.
Is IBKR stock overvalued or undervalued?
IBKR trades at 37.8x P/E, above its 5-year average of 21.8x. The 100th percentile ranking indicates a premium to historical valuation.
How does IBKR's valuation compare to peers?
Interactive Brokers Group, Inc. P/E of 37.8x compares to sector median of 13.3x. The premium reflects expected growth above peers.
What is IBKR's PEG ratio?
IBKR PEG ratio is 1.27. Between 1-2 suggests valuation aligns with growth. Historical P/E data spans 2007-2025.