IBKR (Interactive Brokers Group) Cyclically Adjusted PB Ratio: 11.95 (As of Aug. 14, 2026) — 185% Above Median

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IBKR Interactive Brokers Group Inc IBKR
86 GF Score
Price $91.42
GF Value $50.45
Valuation Significantly Overvalued
! 7 Warning Signs
View Full Analysis

What is Interactive Brokers Group Cyclically Adjusted PB Ratio?

Interactive Brokers Group IBKR -0.24% 86 Cyclically Adjusted PB Ratio is 11.95 as of Aug. 14, 2026, which is 185% above its 10-year median of 4.20. GuruFocus rates IBKR with a GF Score™ of 86/100 and a GF Value™ of $50.45 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 602 Capital Markets companies, Interactive Brokers Group ranks worse than 96.18% on this metric.

As of today (2026-08-14), Interactive Brokers Group's current share price is $91.42. Interactive Brokers Group's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $7.65. Interactive Brokers Group's Cyclically Adjusted PB Ratio for today is 11.95.

The historical rank and industry rank for Interactive Brokers Group's Cyclically Adjusted PB Ratio or its related term are showing as below:

IBKR' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.16   Med: 4.2   Max: 13.04
Current: 11.99

During the past years, Interactive Brokers Group's highest Cyclically Adjusted PB Ratio was 13.04. The lowest was 2.16. And the median was 4.20.

IBKR's Cyclically Adjusted PB Ratio is ranked worse than
96.18% of 602 companies
in the Capital Markets industry
Industry Median: 1.275 vs IBKR: 11.99

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Interactive Brokers Group's adjusted book value per share data for the three months ended in Jun. 2026 was $13.103. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $7.65 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Interactive Brokers Group  (NAS:IBKR) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Interactive Brokers Group Cyclically Adjusted PB Ratio Related Terms


Interactive Brokers Group Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Interactive Brokers Group's Cyclically Adjusted PB Ratio can be seen below:

* 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 Cyclically Adjusted PB Ratio Chart

Interactive Brokers Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.43 3.61 3.74 7.14 9.15

Interactive Brokers Group Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 8.34 10.03 9.15 9.12 11.38

IBKR vs LPLA, TW, CRCL: Cyclically Adjusted PB Ratio Comparison

For the Capital Markets subindustry, Interactive Brokers Group's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted 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 Cyclically Adjusted PB Ratio vs Capital Markets Industry

For the Capital Markets industry and Financial Services sector, Interactive Brokers Group's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Interactive Brokers Group's Cyclically Adjusted PB Ratio falls into.


IBKR
86GF Score
Interactive Brokers Group Inc IBKR
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Interactive Brokers Group Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Interactive Brokers Group's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=91.42/7.65
=11.95

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Interactive Brokers Group's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=13.103/333.9520*333.9520
=13.103

Current CPI (Jun. 2026) = 333.9520.

Interactive Brokers Group Quarterly Data

Book Value per Share CPI Adj_Book
201609 3.608 241.428 4.991
201612 3.582 241.432 4.955
201703 3.666 243.801 5.022
201706 3.733 244.955 5.089
201709 3.834 246.819 5.187
201712 3.812 246.524 5.164
201803 3.959 249.554 5.298
201806 4.021 251.989 5.329
201809 4.138 252.439 5.474
201812 4.268 251.233 5.673
201903 4.411 254.202 5.795
201906 4.496 256.143 5.862
201909 4.577 256.759 5.953
201912 4.730 256.974 6.147
202003 4.840 258.115 6.262
202006 4.926 257.797 6.381
202009 5.088 260.280 6.528
202012 5.373 260.474 6.889
202103 5.605 264.877 7.067
202106 5.839 271.696 7.177
202109 5.937 274.310 7.228
202112 6.097 278.802 7.303
202203 6.250 287.504 7.260
202206 6.338 296.311 7.143
202209 6.506 296.808 7.320
202212 6.920 296.797 7.786
202303 7.285 301.836 8.060
202306 7.567 305.109 8.282
202309 7.921 307.789 8.594
202312 8.370 306.746 9.112
202403 8.712 312.332 9.315
202406 9.050 314.175 9.620
202409 9.518 315.301 10.081
202412 9.825 315.605 10.396
202503 10.331 319.799 10.788
202506 10.932 322.561 11.318
202509 11.466 324.800 11.789
202512 12.040 324.054 12.408
202603 12.537 330.213 12.679
202606 13.103 333.952 13.103

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 11.95 mean?
Interactive Brokers Group (IBKR) has a Cyclically Adjusted PB Ratio of 11.95 as of Aug. 14, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Interactive Brokers Group and its competitors. This is 185% above median its historical median of 4.20. Over the past decade, Interactive Brokers Group's Cyclically Adjusted PB Ratio has ranged from 2.16 to 13.04. According to the industry distribution chart, Interactive Brokers Group ranks #579 out of 602 companies in the Capital Markets industry, placing it in the top 96.2%.
Is Interactive Brokers Group's Cyclically Adjusted PB Ratio too high?
Interactive Brokers Group's current Cyclically Adjusted PB Ratio of 11.95 is 185% above median its 10-year median of 4.20. Over the past 10 years, this metric has ranged from a low of 2.16 to a high of 13.04. The Capital Markets industry median Cyclically Adjusted PB Ratio is 1.28. Interactive Brokers Group's value of 11.95 is 837.3% above this industry median. Based on the distribution chart, Interactive Brokers Group ranks #579 out of 602 companies in the Capital Markets industry, which is in the bottom quartile relative to peers. 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 Cyclically Adjusted PB Ratio compare to LPLA and TW?
According to the Capital Markets industry distribution chart, Interactive Brokers Group ranks #579 out of 602 companies for Cyclically Adjusted PB Ratio. This places Interactive Brokers Group in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.28. Interactive Brokers Group's value of 11.95 is 837.3% above this benchmark. Historically, Interactive Brokers Group's own Cyclically Adjusted PB Ratio has ranged from 2.16 to 13.04 over the past decade. While the company's 10-year median is 4.20 vs. the industry median of 1.28, Interactive Brokers Group has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Capital Markets company?
The median Cyclically Adjusted PB Ratio among Capital Markets companies is 1.28, based on 602 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Interactive Brokers Group's current Cyclically Adjusted PB Ratio of 11.95 is 837.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Interactive Brokers Group and its competitors. For the Capital Markets industry, the median Cyclically Adjusted PB Ratio is 1.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Interactive Brokers Group's current Cyclically Adjusted PB Ratio is 11.95, which is 185% above median its own 10-year median of 4.20. 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 (IBKR) is currently considered Significantly Overvalued. The stock's GF Value™ is $50.45, compared to a current price of $91.42 — trading 81.2% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 11.95, which is 185% above median its 10-year median of 4.20 and 837.3% above the Capital Markets industry median of 1.28. 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 Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Interactive Brokers Group (IBKR), the current Cyclically Adjusted PB Ratio is 11.95 as of Aug. 14, 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 (IBKR) Overvalued in 2026?

Based on GuruFocus' analysis, Interactive Brokers Group stock appears to be overvalued. The current stock price of $91.42 is trading 81.2% above its estimated GF Value™ of $50.45. GuruFocus considers Interactive Brokers Group to be Significantly Overvalued.

Key valuation signals for IBKR:

  • Cyclically Adjusted PB Ratio: 11.95 (185% above median its 10-year median of 4.20)
  • GF Value™: $50.45 vs. price of $91.42 (81.2% above fair value)
  • GF Score™: 86/100 with 7 warning signs
  • Industry Position: 837.3% above the Capital Markets median (#579 of 602)

No single metric tells the full story. See the IBKR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Interactive Brokers Group Business Description

Address One Pickwick Plaza, Greenwich, CT, USA, 06830
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 IBKR

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$91.42
Price
$50.45
GF Value