Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Interactive Brokers Group's book value per share for the quarter that ended in Mar. 2026 was €10.85.
During the past 12 months, Interactive Brokers Group's average Book Value Per Share Growth Rate was 21.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 20.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 17.50% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 13.60% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Interactive Brokers Group was 20.30% per year. The lowest was -41.50% per year. And the median was 9.70% per year.
Interactive Brokers Group (FRA:KY6) Book Value per Share Explanation
Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.
For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.
Interactive Brokers Group Book Value per Share Related Terms
Interactive Brokers Group Book Value per Share Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Interactive Brokers Group Book Value per Share Chart
FRA:KY6 vs LPLA, TW, CRCL: Book Value per Share Comparison
For the Capital Markets subindustry, Interactive Brokers Group's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Interactive Brokers Group PB Ratio vs Capital Markets Industry
For the Capital Markets industry and Financial Services sector, Interactive Brokers Group's PB Ratio distribution charts can be found below:
* The bar in red indicates where Interactive Brokers Group's PB Ratio falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Interactive Brokers Group (FRA:KY6) has a Book Value per Share of €10.85 as of Mar. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Interactive Brokers Group and its competitors.
Is Interactive Brokers Group's Book Value per Share too high?
Interactive Brokers Group's current Book Value per Share is €10.85. Overall, Interactive Brokers Group has a GF Score™ of 86/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Interactive Brokers Group's Book Value per Share compare to LPLA and TW?
Interactive Brokers Group's Book Value per Share of €10.85 can be compared against companies in the Capital Markets industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for a Capital Markets company?
A good Book Value per Share depends on the Capital Markets industry context. However, Book Value per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Interactive Brokers Group and its competitors. Interactive Brokers Group's current Book Value per Share is €10.85. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Interactive Brokers Group stock overvalued right now?
Based on GuruFocus' analysis, Interactive Brokers Group (FRA:KY6) is currently considered Significantly Overvalued. The stock's GF Value™ is €33.45, compared to a current price of €75.06 — trading 124.4% above its estimated fair value. The current Book Value per Share is €10.85. Interactive Brokers Group's overall GF Score™ is 86/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Interactive Brokers Group (FRA:KY6), the current Book Value per Share is €10.85 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Interactive Brokers Group (FRA:KY6) Overvalued in 2026?
Based on GuruFocus' analysis, Interactive Brokers Group stock appears to be overvalued.
The current stock price of €75.06 is trading 124.4% above its estimated GF Value™ of €33.45.
GuruFocus considers Interactive Brokers Group to be Significantly Overvalued.
Key valuation signals for FRA:KY6:
Book Value per Share: €10.85
GF Value™: €33.45 vs. price of €75.06 (124.4% above fair value)
No single metric tells the full story. See the FRA:KY6 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 170 electronic exchanges, 40 countries, and 29 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.
86GF Score
Get the complete analysis for FRA:KY6
Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
FRA:KY6 has been successfully added to your 
