Plug Power (WBO:PLUG) ROE % Adjusted to Book Value: -28.04% (As of Mar. 2026)


WBO:PLUG Plug Power Inc WBO:PLUG
34 GF Score
Price €2.23
GF Value €1.29
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Plug Power ROE % Adjusted to Book Value?

Plug Power WBO:PLUG -0.93% 34 ROE % Adjusted to Book Value is -28.04% as of Mar. 2026. GuruFocus rates WBO:PLUG with a GF Score™ of 34/100 and a GF Value™ of €1.29 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Plug Power's ROE % for the quarter that ended in Mar. 2026 was -114.40%. Plug Power's PB Ratio for the quarter that ended in Mar. 2026 was 4.08. Plug Power's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 was -28.04%.

Plug Power ROE % Adjusted to Book Value Related Terms

Plug Power ROE % Adjusted to Book Value Historical Data

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The historical data trend for Plug Power's ROE % Adjusted to Book Value 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.

Plug Power ROE % Adjusted to Book Value Chart

Plug Power Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only -5.15 -9.93 -40.29 -75.15 -39.95

Plug Power Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
ROE % Adjusted to Book Value 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 -62.51 -56.38 -48.21 -101.08 -28.04

WBO:PLUG vs HAYW, TE, AMPX: ROE % Adjusted to Book Value Comparison

For the Electrical Equipment & Parts subindustry, Plug Power's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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.

Plug Power ROE % Adjusted to Book Value vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Plug Power's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Plug Power's ROE % Adjusted to Book Value falls into.


WBO:PLUG
34GF Score
Plug Power Inc WBO:PLUG
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Plug Power ROE % Adjusted to Book Value Calculation

Plug Power's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-111.86% / 2.80
=-39.95%

Plug Power's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-114.40% / 4.08
=-28.04%

* 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.

What does a ROE % Adjusted to Book Value of -28.04% mean?
Plug Power (WBO:PLUG) has a ROE % Adjusted to Book Value of -28.04% as of Mar. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Plug Power and its competitors.
Is Plug Power's ROE % Adjusted to Book Value too high?
Plug Power's current ROE % Adjusted to Book Value is -28.04%. Overall, Plug Power has a GF Score™ of 34/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Plug Power's ROE % Adjusted to Book Value compare to HAYW and TE?
Plug Power's ROE % Adjusted to Book Value of -28.04% 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 ROE % Adjusted to Book Value for an Industrial Products company?
A good ROE % Adjusted to Book Value depends on the Industrial Products industry context. However, ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Plug Power and its competitors. Plug Power's current ROE % Adjusted to Book Value is -28.04%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Plug Power stock overvalued right now?
Based on GuruFocus' analysis, Plug Power (WBO:PLUG) is currently considered Significantly Overvalued. The stock's GF Value™ is €1.29, compared to a current price of €2.23 — trading 73% above its estimated fair value. The current ROE % Adjusted to Book Value is -28.04%. Plug Power's overall GF Score™ is 34/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Plug Power (WBO:PLUG), the current ROE % Adjusted to Book Value is -28.04% as of Mar. 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 Plug Power (WBO:PLUG) Overvalued in 2026?

Based on GuruFocus' analysis, Plug Power stock appears to be overvalued. The current stock price of €2.23 is trading 73% above its estimated GF Value™ of €1.29. GuruFocus considers Plug Power to be Significantly Overvalued.

Key valuation signals for WBO:PLUG:

  • ROE % Adjusted to Book Value: -28.04%
  • GF Value™: €1.29 vs. price of €2.23 (73% above fair value)
  • GF Score™: 34/100 with 6 warning signs

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

Plug Power Business Description

Address 125 Vista Boulevard, Slingerlands, NY, USA, 12159
Plug Power Inc is building an end-to-end green hydrogen ecosystem, from production, storage, and delivery to energy generation. The company plans to build and operate green hydrogen highways across North America and Europe. Plug will deliver its green hydrogen solutions directly to its customers and through joint venture partners into multiple end markets, including material handling, e-mobility, power generation, and industrial applications.
34GF Score

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ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€2.23
Price
€1.29
GF Value