IIJIY (Internet Initiative Japan) Cyclically Adjusted PB Ratio: 5.88 (As of Sep. 04, 2026) — 31% Above Median

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IIJIY Internet Initiative Japan Inc IIJIY
94 GF Score
Price $41.72
GF Value $39.15
Valuation Fairly Valued
! 6 Warning Signs
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What is Internet Initiative Japan Cyclically Adjusted PB Ratio?

Internet Initiative Japan IIJIY -0.48% 94 Cyclically Adjusted PB Ratio is 5.88 as of Sep. 04, 2026, which is 31% above its 10-year median of 4.49. GuruFocus rates IIJIY with a GF Score™ of 94/100 and a GF Value™ of $39.15 (Fairly Valued). The stock has 6 warning signs investors should review. Among 286 Telecommunication Services companies, Internet Initiative Japan ranks worse than 90.21% on this metric.

As of today (2026-09-04), Internet Initiative Japan's current share price is $41.72. Internet Initiative Japan's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $7.10. Internet Initiative Japan's Cyclically Adjusted PB Ratio for today is 5.88.

The historical rank and industry rank for Internet Initiative Japan's Cyclically Adjusted PB Ratio or its related term are showing as below:

IIJIY' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.48   Med: 4.49   Max: 6.72
Current: 5.48

During the past years, Internet Initiative Japan's highest Cyclically Adjusted PB Ratio was 6.72. The lowest was 1.48. And the median was 4.49.

IIJIY's Cyclically Adjusted PB Ratio is ranked worse than
90.21% of 286 companies
in the Telecommunication Services industry
Industry Median: 1.765 vs IIJIY: 5.48

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.

Internet Initiative Japan's adjusted book value per share data for the three months ended in Jun. 2026 was $11.291. 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 $7.10 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Internet Initiative Japan  (OTCPK:IIJIY) 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.


Internet Initiative Japan Cyclically Adjusted PB Ratio Related Terms


Internet Initiative Japan Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Internet Initiative Japan'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.

Internet Initiative Japan Cyclically Adjusted PB Ratio Chart

Internet Initiative Japan Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 5.26 6.23 5.85 4.79 4.10

Internet Initiative Japan 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 5.11 4.60 4.72 4.10 5.21

IIJIY vs VZ, TMUS, T: Cyclically Adjusted PB Ratio Comparison

For the Telecom Services subindustry, Internet Initiative Japan'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.


Internet Initiative Japan Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, Internet Initiative Japan's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Internet Initiative Japan's Cyclically Adjusted PB Ratio falls into.


IIJIY
94GF Score
Internet Initiative Japan Inc IIJIY
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Internet Initiative Japan 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.

Internet Initiative Japan's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=41.72/7.10
=5.88

* 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.

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

For example, Internet Initiative Japan'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)
=11.291/113.6000*113.6000
=11.291

Current CPI (Jun. 2026) = 113.6000.

Internet Initiative Japan Quarterly Data

Book Value per Share CPI Adj_Book
201609 7.005 98.000 8.120
201612 6.194 98.400 7.151
201703 6.686 98.100 7.742
201706 6.741 98.500 7.774
201709 6.889 98.800 7.921
201712 6.914 99.400 7.902
201803 7.798 99.200 8.930
201806 7.442 99.200 8.522
201809 7.485 99.900 8.511
201812 7.356 99.700 8.382
201903 7.613 99.700 8.674
201906 7.902 99.800 8.995
201909 8.056 100.100 9.142
201912 8.182 100.500 9.249
202003 8.145 100.300 9.225
202006 8.152 99.900 9.270
202009 8.702 99.900 9.895
202012 9.101 99.300 10.412
202103 9.174 99.900 10.432
202106 9.318 99.500 10.638
202109 9.776 100.100 11.094
202112 9.724 100.100 11.035
202203 9.667 101.100 10.862
202206 8.718 101.800 9.729
202209 8.528 103.100 9.397
202212 9.192 104.100 10.031
202303 9.791 104.400 10.654
202306 8.802 105.200 9.505
202309 8.827 106.200 9.442
202312 9.188 106.800 9.773
202403 9.494 107.200 10.061
202406 9.111 108.200 9.566
202409 10.336 108.900 10.782
202412 10.036 110.700 10.299
202503 10.670 111.100 10.910
202506 11.236 111.700 11.427
202509 11.322 112.000 11.484
202512 10.985 113.000 11.043
202603 11.235 112.700 11.325
202606 11.291 113.600 11.291

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 5.88 mean?
Internet Initiative Japan (IIJIY) has a Cyclically Adjusted PB Ratio of 5.88 as of Sep. 04, 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 Internet Initiative Japan and its competitors. This is 31% above median its historical median of 4.49. Over the past decade, Internet Initiative Japan's Cyclically Adjusted PB Ratio has ranged from 1.48 to 6.72. According to the industry distribution chart, Internet Initiative Japan ranks #258 out of 286 companies in the Telecommunication Services industry, placing it in the top 90.2%.
Is Internet Initiative Japan's Cyclically Adjusted PB Ratio too high?
Internet Initiative Japan's current Cyclically Adjusted PB Ratio of 5.88 is 31% above median its 10-year median of 4.49. Over the past 10 years, this metric has ranged from a low of 1.48 to a high of 6.72. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.77. Internet Initiative Japan's value of 5.88 is 233.1% above this industry median. Based on the distribution chart, Internet Initiative Japan ranks #258 out of 286 companies in the Telecommunication Services industry, which is in the bottom quartile relative to peers. Overall, Internet Initiative Japan has a GF Score™ of 94/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Internet Initiative Japan's Cyclically Adjusted PB Ratio compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, Internet Initiative Japan ranks #258 out of 286 companies for Cyclically Adjusted PB Ratio. This places Internet Initiative Japan in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.77. Internet Initiative Japan's value of 5.88 is 233.1% above this benchmark. Historically, Internet Initiative Japan's own Cyclically Adjusted PB Ratio has ranged from 1.48 to 6.72 over the past decade. While the company's 10-year median is 4.49 vs. the industry median of 1.77, Internet Initiative Japan 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 Telecommunication Services company?
The median Cyclically Adjusted PB Ratio among Telecommunication Services companies is 1.77, based on 286 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. Internet Initiative Japan's current Cyclically Adjusted PB Ratio of 5.88 is 233.1% 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 Internet Initiative Japan and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Internet Initiative Japan's current Cyclically Adjusted PB Ratio is 5.88, which is 31% above median its own 10-year median of 4.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Internet Initiative Japan stock overvalued right now?
Based on GuruFocus' analysis, Internet Initiative Japan (IIJIY) is currently considered Fairly Valued. The stock's GF Value™ is $39.15, compared to a current price of $41.72 — trading 6.6% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 5.88, which is 31% above median its 10-year median of 4.49 and 233.1% above the Telecommunication Services industry median of 1.77. Internet Initiative Japan's overall GF Score™ is 94/100 with 6 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 Internet Initiative Japan (IIJIY), the current Cyclically Adjusted PB Ratio is 5.88 as of Sep. 04, 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 Internet Initiative Japan (IIJIY) Overvalued in 2026?

Based on GuruFocus' analysis, Internet Initiative Japan stock appears to be overvalued. The current stock price of $41.72 is trading 6.6% above its estimated GF Value™ of $39.15. GuruFocus considers Internet Initiative Japan to be Fairly Valued.

Key valuation signals for IIJIY:

  • Cyclically Adjusted PB Ratio: 5.88 (31% above median its 10-year median of 4.49)
  • GF Value™: $39.15 vs. price of $41.72 (6.6% above fair value)
  • GF Score™: 94/100 with 6 warning signs
  • Industry Position: 233.1% above the Telecommunication Services median (#258 of 286)

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


Internet Initiative Japan Business Description

Address Iidabashi Grand Bloom, 2-10-2 Fujimi, Chiyoda-ku, Tokyo, JPN, 102-0071
Internet Initiative Japan Inc. is a provider of a variety of services including Internet access, outsourcing, and systems integration. Its Internet access services span dial-up, mobile, and broadband technologies. Its wide area network services allow secure data sharing over Internet virtual private networks, independently developed routers, and closed wide area networks. Its outsourcing services include cloud, content delivery, data center, and security services. The firm generates nearly all its revenue in Japan.
94GF Score

Get the complete analysis for IIJIY

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

$41.72
Price
$39.15
GF Value