TGEN (Tecogen) Cyclically Adjusted PB Ratio: 3.63 (As of Jul. 16, 2026) — 154% Above Median

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TGEN Tecogen Inc TGEN
49 GF Score
Price $3.67
GF Value $1.15
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Tecogen Cyclically Adjusted PB Ratio?

Tecogen TGEN -7.09% 49 Cyclically Adjusted PB Ratio is 3.63 as of Jul. 16, 2026, which is 154% above its 10-year median of 1.43. GuruFocus rates TGEN with a GF Score™ of 49/100 and a GF Value™ of $1.15 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,291 Industrial Products companies, Tecogen ranks worse than 69.49% on this metric.

As of today (2026-07-16), Tecogen's current share price is $3.67. Tecogen's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $1.01. Tecogen's Cyclically Adjusted PB Ratio for today is 3.63.

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

TGEN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.64   Med: 1.43   Max: 9.88
Current: 3.9

During the past years, Tecogen's highest Cyclically Adjusted PB Ratio was 9.88. The lowest was 0.64. And the median was 1.43.

TGEN's Cyclically Adjusted PB Ratio is ranked worse than
69.49% of 2291 companies
in the Industrial Products industry
Industry Median: 2.21 vs TGEN: 3.90

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.

Tecogen's adjusted book value per share data for the three months ended in Mar. 2026 was $0.659. 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 $1.01 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Tecogen  (AMEX:TGEN) 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.


Tecogen Cyclically Adjusted PB Ratio Related Terms


Tecogen Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Tecogen'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.

Tecogen Cyclically Adjusted PB Ratio Chart

Tecogen 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 1.43 1.39 0.84 1.48 4.94

Tecogen Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 2.24 6.80 8.74 4.94 2.53

TGEN vs UTKN, SKYX, EAF: Cyclically Adjusted PB Ratio Comparison

For the Electrical Equipment & Parts subindustry, Tecogen'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.


Tecogen Cyclically Adjusted PB Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Tecogen's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TGEN
49GF Score
Tecogen Inc TGEN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tecogen 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.

Tecogen's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.67/1.01
=3.63

* 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.

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

For example, Tecogen's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=0.659/330.2130*330.2130
=0.659

Current CPI (Mar. 2026) = 330.2130.

Tecogen Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.583 241.018 0.799
201609 0.721 241.428 0.986
201612 0.726 241.432 0.993
201703 0.734 243.801 0.994
201706 1.325 244.955 1.786
201709 1.329 246.819 1.778
201712 1.342 246.524 1.798
201803 1.344 249.554 1.778
201806 1.315 251.989 1.723
201809 1.293 252.439 1.691
201812 1.119 251.233 1.471
201903 0.989 254.202 1.285
201906 0.976 256.143 1.258
201909 0.954 256.759 1.227
201912 0.936 256.974 1.203
202003 0.890 258.115 1.139
202006 0.865 257.797 1.108
202009 0.858 260.280 1.089
202012 0.697 260.474 0.884
202103 0.769 264.877 0.959
202106 0.788 271.696 0.958
202109 0.849 274.310 1.022
202112 0.853 278.802 1.010
202203 0.861 287.504 0.989
202206 0.830 296.311 0.925
202209 0.822 296.808 0.915
202212 0.768 296.797 0.854
202303 0.712 301.836 0.779
202306 0.681 305.109 0.737
202309 0.665 307.789 0.713
202312 0.593 306.746 0.638
202403 0.551 312.332 0.583
202406 0.491 314.175 0.516
202409 0.455 315.301 0.477
202412 0.410 315.605 0.429
202503 0.386 319.799 0.399
202506 0.356 322.561 0.364
202509 0.854 324.800 0.868
202512 0.725 324.054 0.739
202603 0.659 330.213 0.659

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 3.63 mean?
Tecogen (TGEN) has a Cyclically Adjusted PB Ratio of 3.63 as of Jul. 16, 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 Tecogen and its competitors. This is 154% above median its historical median of 1.43. Over the past decade, Tecogen's Cyclically Adjusted PB Ratio has ranged from 0.64 to 9.88. According to the industry distribution chart, Tecogen ranks #1592 out of 2291 companies in the Industrial Products industry, placing it in the top 69.5%.
Is Tecogen's Cyclically Adjusted PB Ratio too high?
Tecogen's current Cyclically Adjusted PB Ratio of 3.63 is 154% above median its 10-year median of 1.43. Over the past 10 years, this metric has ranged from a low of 0.64 to a high of 9.88. The Industrial Products industry median Cyclically Adjusted PB Ratio is 2.21. Tecogen's value of 3.63 is 64.3% above this industry median. Based on the distribution chart, Tecogen ranks #1592 out of 2291 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Tecogen has a GF Score™ of 49/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tecogen's Cyclically Adjusted PB Ratio compare to UTKN and SKYX?
According to the Industrial Products industry distribution chart, Tecogen ranks #1592 out of 2291 companies for Cyclically Adjusted PB Ratio. This places Tecogen in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.21. Tecogen's value of 3.63 is 64.3% above this benchmark. Historically, Tecogen's own Cyclically Adjusted PB Ratio has ranged from 0.64 to 9.88 over the past decade. While the company's 10-year median is 1.43 vs. the industry median of 2.21, Tecogen 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 an Industrial Products company?
The median Cyclically Adjusted PB Ratio among Industrial Products companies is 2.21, based on 2,291 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. Tecogen's current Cyclically Adjusted PB Ratio of 3.63 is 64.3% 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 Tecogen and its competitors. For the Industrial Products industry, the median Cyclically Adjusted PB Ratio is 2.21 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tecogen's current Cyclically Adjusted PB Ratio is 3.63, which is 154% above median its own 10-year median of 1.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tecogen stock overvalued right now?
Based on GuruFocus' analysis, Tecogen (TGEN) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.15, compared to a current price of $3.67 — trading 219.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.63, which is 154% above median its 10-year median of 1.43 and 64.3% above the Industrial Products industry median of 2.21. Tecogen's overall GF Score™ is 49/100 with 4 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 Tecogen (TGEN), the current Cyclically Adjusted PB Ratio is 3.63 as of Jul. 16, 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 Tecogen (TGEN) Overvalued in 2026?

Based on GuruFocus' analysis, Tecogen stock appears to be overvalued. The current stock price of $3.67 is trading 219.1% above its estimated GF Value™ of $1.15. GuruFocus considers Tecogen to be Significantly Overvalued.

Key valuation signals for TGEN:

  • Cyclically Adjusted PB Ratio: 3.63 (154% above median its 10-year median of 1.43)
  • GF Value™: $1.15 vs. price of $3.67 (219.1% above fair value)
  • GF Score™: 49/100 with 4 warning signs
  • Industry Position: 64.3% above the Industrial Products median (#1592 of 2291)

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


Tecogen Business Description

Other Exchanges 2T1:Germany
Address 76 Treble Cove Road, Building 1, North Billerica, MA, USA, 01862
Tecogen Inc produces commercial and industrial, natural-gas-fueled engine-driven, combined heat and power (CHP) products that reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid. Its products supply electric power or mechanical power for cooling. The company has three business segments: Products Segment, Services Segment, and Energy Production Segment. The majority of the company's revenue is derived from the Services segment, which provides operations and maintenance (O&M) services for its products under long term service contracts.
49GF Score

Get the complete analysis for TGEN

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

$3.67
Price
$1.15
GF Value