FuelCell Energy (HAM:FEY) Cyclically Adjusted Book per Share: €226.75 (As of Apr. 2026)


HAM:FEY FuelCell Energy Inc HAM:FEY
61 GF Score
Price €23.79
GF Value €6.54
Valuation Significantly Overvalued
! 11 Warning Signs
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What is FuelCell Energy Cyclically Adjusted Book per Share?

FuelCell Energy HAM:FEY -19.57% 61 Cyclically Adjusted Book per Share is €226.75 as of Apr. 2026. GuruFocus rates HAM:FEY with a GF Score™ of 61/100 and a GF Value™ of €6.54 (Significantly Overvalued). The stock has 11 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

FuelCell Energy's adjusted book value per share for the three months ended in Apr. 2026 was €9.679. 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 €226.75 for the trailing ten years ended in Apr. 2026.

During the past 12 months, FuelCell Energy's average Cyclically Adjusted Book Growth Rate was -36.90% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was -17.10% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was -6.90% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was -16.40% 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 Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of FuelCell Energy was 22.90% per year. The lowest was -41.10% per year. And the median was -6.40% per year.

As of today (2026-07-03), FuelCell Energy's current stock price is €23.79. FuelCell Energy's Cyclically Adjusted Book per Share for the quarter that ended in Apr. 2026 was €226.75. FuelCell Energy's Cyclically Adjusted PB Ratio of today is 0.10.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of FuelCell Energy was 1.51. The lowest was 0.01. And the median was 0.15.


FuelCell Energy  (HAM:FEY) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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.

FuelCell Energy's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=23.79/226.75
=0.10

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of FuelCell Energy was 1.51. The lowest was 0.01. And the median was 0.15.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


FuelCell Energy Cyclically Adjusted Book per Share Related Terms


FuelCell Energy Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for FuelCell Energy's Cyclically Adjusted Book per Share 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.

FuelCell Energy Cyclically Adjusted Book per Share Chart

FuelCell Energy Annual Data
Trend Oct16 Oct17 Oct18 Oct19 Oct20 Oct21 Oct22 Oct23 Oct24 Oct25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 513.01 591.73 577.74 484.05 297.16

FuelCell Energy Quarterly Data
Jul21 Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26
Cyclically Adjusted Book per Share 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 361.17 325.04 297.16 261.00 226.75

HAM:FEY vs ENR, AMPX, PLPC: Cyclically Adjusted Book per Share Comparison

For the Electrical Equipment & Parts subindustry, FuelCell Energy'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.


FuelCell Energy Cyclically Adjusted PB Ratio vs Industrial Products Industry

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

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


HAM:FEY
61GF Score
FuelCell Energy Inc HAM:FEY
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

FuelCell Energy Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

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

Adj_Book= Book Value per Share /CPI of Apr. 2026 (Change)*Current CPI (Apr. 2026)
=9.679/333.0200*333.0200
=9.679

Current CPI (Apr. 2026) = 333.0200.

FuelCell Energy Quarterly Data

Book Value per Share CPI Adj_Book
201607 1,221.108 240.628 1,689.967
201610 1,059.918 241.729 1,460.205
201701 856.388 242.839 1,174.417
201704 710.364 244.524 967.453
201707 512.059 244.786 696.633
201710 446.472 246.663 602.782
201801 406.449 247.867 546.082
201804 353.250 250.546 469.532
201807 319.355 252.006 422.020
201810 268.831 252.885 354.019
201901 171.282 251.712 226.610
201904 97.265 255.548 126.752
201907 19.188 256.571 24.905
201910 10.608 257.346 13.727
202001 8.275 257.971 10.682
202004 6.449 256.389 8.377
202007 10.646 259.101 13.683
202010 16.833 260.388 21.528
202101 25.019 261.582 31.852
202104 24.034 267.054 29.971
202107 46.139 273.003 56.282
202110 45.314 276.589 54.559
202201 43.555 281.148 51.591
202204 49.659 289.109 57.201
202207 51.588 296.276 57.986
202210 51.384 298.012 57.420
202301 45.824 299.170 51.009
202304 42.944 303.363 47.142
202307 42.669 305.691 46.484
202310 43.028 307.671 46.573
202401 40.465 308.417 43.693
202404 39.025 313.548 41.449
202407 33.750 314.540 35.733
202410 29.596 315.664 31.223
202501 29.021 317.671 30.423
202504 23.804 320.795 24.711
202507 16.078 323.048 16.574
202510 12.345 0.000
202601 11.240 325.252 11.508
202604 9.679 333.020 9.679

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

What does a Cyclically Adjusted Book per Share of €226.75 mean?
FuelCell Energy (HAM:FEY) has a Cyclically Adjusted Book per Share of €226.75 as of Apr. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on FuelCell Energy and its competitors.
Is FuelCell Energy's Cyclically Adjusted Book per Share too high?
FuelCell Energy's current Cyclically Adjusted Book per Share is €226.75. Overall, FuelCell Energy has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does FuelCell Energy's Cyclically Adjusted Book per Share compare to ENR and AMPX?
FuelCell Energy's Cyclically Adjusted Book per Share of €226.75 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for an Industrial Products company?
A good Cyclically Adjusted Book per Share depends on the Industrial Products industry context. However, Cyclically Adjusted Book 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on FuelCell Energy and its competitors. FuelCell Energy's current Cyclically Adjusted Book per Share is €226.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is FuelCell Energy stock overvalued right now?
Based on GuruFocus' analysis, FuelCell Energy (HAM:FEY) is currently considered Significantly Overvalued. The stock's GF Value™ is €6.54, compared to a current price of €23.79 — trading 263.8% above its estimated fair value. The current Cyclically Adjusted Book per Share is €226.75. FuelCell Energy's overall GF Score™ is 61/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For FuelCell Energy (HAM:FEY), the current Cyclically Adjusted Book per Share is €226.75 as of Apr. 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 FuelCell Energy (HAM:FEY) Overvalued in 2026?

Based on GuruFocus' analysis, FuelCell Energy stock appears to be overvalued. The current stock price of €23.79 is trading 263.8% above its estimated GF Value™ of €6.54. GuruFocus considers FuelCell Energy to be Significantly Overvalued.

Key valuation signals for HAM:FEY:

  • Cyclically Adjusted Book per Share: €226.75
  • GF Value™: €6.54 vs. price of €23.79 (263.8% above fair value)
  • GF Score™: 61/100 with 11 warning signs

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


FuelCell Energy Business Description

Address 3 Great Pasture Road, Danbury, CT, USA, 06810
FuelCell Energy Inc is a clean energy technology company engaged in the development, design, production, and servicing of high temperature fuel cells for clean electric power generation. The Company provides proprietary molten carbonate fuel cell systems that generate electricity electrochemically with ultra low emissions and high efficiency, and operates as a solutions provider managing the design, manufacturing, installation, and maintenance of its systems under long term power purchase, service, and engineering procurement agreements. The Company serves utilities, data centers, and commercial and industrial customers, and operates in the United States, South Korea, Europe, and Canada, with maximum revenue generated from the United States.
61GF Score

Get the complete analysis for HAM:FEY

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

€23.79
Price
€6.54
GF Value