Interactive Brokers Group (MEX:IBKR) Cyclically Adjusted PB Ratio: 11.51 (As of Aug. 18, 2026) — 174% Above Median

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MEX:IBKR Interactive Brokers Group Inc MEX:IBKR
80 GF Score
Price MXN1,599.00
GF Value MXN848.40
Valuation Significantly Overvalued
! 8 Warning Signs
View Full Analysis

What is Interactive Brokers Group Cyclically Adjusted PB Ratio?

Interactive Brokers Group MEX:IBKR +1.72% 80 Cyclically Adjusted PB Ratio is 11.51 as of Aug. 18, 2026, which is 174% above its 10-year median of 4.20. GuruFocus rates MEX:IBKR with a GF Score™ of 80/100 and a GF Value™ of MXN848.40 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 595 Capital Markets companies, Interactive Brokers Group ranks worse than 95.97% on this metric.

As of today (2026-08-18), Interactive Brokers Group's current share price is MXN1599.00. Interactive Brokers Group's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was MXN138.87. Interactive Brokers Group's Cyclically Adjusted PB Ratio for today is 11.51.

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

MEX:IBKR' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.16   Med: 4.2   Max: 13.04
Current: 12.34

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.

MEX:IBKR's Cyclically Adjusted PB Ratio is ranked worse than
95.97% of 595 companies
in the Capital Markets industry
Industry Median: 1.31 vs MEX:IBKR: 12.34

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 MXN228.640. 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 MXN138.87 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Interactive Brokers Group  (MEX: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

MEX: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.


MEX:IBKR
80GF Score
Interactive Brokers Group Inc MEX: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
=1599.00/138.87
=11.51

* 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)
=228.64/333.9520*333.9520
=228.640

Current CPI (Jun. 2026) = 333.9520.

Interactive Brokers Group Quarterly Data

Book Value per Share CPI Adj_Book
201609 69.753 241.428 96.485
201612 73.843 241.432 102.141
201703 69.029 243.801 94.554
201706 67.478 244.955 91.994
201709 69.572 246.819 94.133
201712 74.875 246.524 101.429
201803 71.927 249.554 96.252
201806 79.017 251.989 104.718
201809 77.400 252.439 102.393
201812 83.794 251.233 111.383
201903 85.558 254.202 112.400
201906 86.372 256.143 112.609
201909 90.351 256.759 117.514
201912 89.201 256.974 115.922
202003 113.494 258.115 146.840
202006 113.707 257.797 147.297
202009 112.405 260.280 144.221
202012 106.885 260.474 137.037
202103 114.578 264.877 144.458
202106 116.241 271.696 142.876
202109 122.068 274.310 148.609
202112 125.073 278.802 149.814
202203 124.435 287.504 144.538
202206 127.504 296.311 143.701
202209 130.869 296.808 147.247
202212 134.915 296.797 151.805
202303 131.313 301.836 145.285
202306 129.735 305.109 141.999
202309 137.976 307.789 149.704
202312 142.078 306.746 154.679
202403 144.586 312.332 154.594
202406 165.789 314.175 176.225
202409 187.422 315.301 198.509
202412 204.909 315.605 216.821
202503 211.356 319.799 220.710
202506 205.842 322.561 213.111
202509 210.327 324.800 216.253
202512 216.797 324.054 223.419
202603 226.079 330.213 228.639
202606 228.640 333.952 228.640

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 11.51 mean?
Interactive Brokers Group (MEX:IBKR) has a Cyclically Adjusted PB Ratio of 11.51 as of Aug. 18, 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 174% 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 #571 out of 595 companies in the Capital Markets industry, placing it in the top 96%.
Is Interactive Brokers Group's Cyclically Adjusted PB Ratio too high?
Interactive Brokers Group's current Cyclically Adjusted PB Ratio of 11.51 is 174% 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 1.31. Interactive Brokers Group's value of 11.51 is 778.6% above this industry median. Based on the distribution chart, Interactive Brokers Group ranks #571 out of 595 companies in the Capital Markets industry, which is in the bottom quartile relative to peers. Overall, Interactive Brokers Group has a GF Score™ of 80/100 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 #571 out of 595 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 1.31. Interactive Brokers Group's value of 11.51 is 778.6% 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 1.31, 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 1.31, based on 595 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 11.51 is 778.6% 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 1.31 — 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 11.51, which is 174% 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 (MEX:IBKR) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN848.40, compared to a current price of MXN1,599.00 — trading 88.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 11.51, which is 174% above median its 10-year median of 4.20 and 778.6% above the Capital Markets industry median of 1.31. Interactive Brokers Group's overall GF Score™ is 80/100 with 8 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 (MEX:IBKR), the current Cyclically Adjusted PB Ratio is 11.51 as of Aug. 18, 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 (MEX:IBKR) Overvalued in 2026?

Based on GuruFocus' analysis, Interactive Brokers Group stock appears to be overvalued. The current stock price of MXN1,599.00 is trading 88.5% above its estimated GF Value™ of MXN848.40. GuruFocus considers Interactive Brokers Group to be Significantly Overvalued.

Key valuation signals for MEX:IBKR:

  • Cyclically Adjusted PB Ratio: 11.51 (174% above median its 10-year median of 4.20)
  • GF Value™: MXN848.40 vs. price of MXN1,599.00 (88.5% above fair value)
  • GF Score™: 80/100 with 8 warning signs
  • Industry Position: 778.6% above the Capital Markets median (#571 of 595)

No single metric tells the full story. See the MEX: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.
80GF Score

Get the complete analysis for MEX:IBKR

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

MXN1,599.00
Price
MXN848.40
GF Value