Plug Power (XTER:PLUN) FCF Margin %: -96.72% (As of Mar. 2026)


XTER:PLUN Plug Power Inc XTER:PLUN
29 GF Score
Price €2.44
GF Value €1.33
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Plug Power FCF Margin %?

Plug Power XTER:PLUN -0.83% 29 FCF Margin % is -96.72% as of Mar. 2026. GuruFocus rates XTER:PLUN with a GF Score™ of 29/100 and a GF Value™ of €1.33 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 3,036 Industrial Products companies, Plug Power ranks worse than 96.05% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Plug Power's Free Cash Flow for the three months ended in Mar. 2026 was €-136.8 Mil. Plug Power's Revenue for the three months ended in Mar. 2026 was €141.4 Mil. Therefore, Plug Power's FCF Margin % for the quarter that ended in Mar. 2026 was -96.72%.

As of today, Plug Power's current FCF Yield % is -17.73%.

The historical rank and industry rank for Plug Power's FCF Margin % or its related term are showing as below:

XTER:PLUN' s FCF Margin % Range Over the Past 10 Years
Min: -202.25   Med: -105.15   Max: 220.62
Current: -90.48


During the past 13 years, the highest FCF Margin % of Plug Power was 220.62%. The lowest was -202.25%. And the median was -105.15%.

XTER:PLUN's FCF Margin % is ranked worse than
96.05% of 3036 companies
in the Industrial Products industry
Industry Median: 1.565 vs XTER:PLUN: -90.48


Plug Power FCF Margin % Related Terms


Plug Power FCF Margin % Historical Data

* Premium members only.

The historical data trend for Plug Power's FCF Margin % 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 FCF Margin % Chart

Plug Power Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -109.77 -184.26 -202.25 -169.03 -93.18

Plug Power Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
FCF Margin % 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 -113.43 -133.49 -67.73 -70.02 -96.72

XTER:PLUN vs HAYW, TE, AMPX: FCF Margin % Comparison

For the Electrical Equipment & Parts subindustry, Plug Power's FCF Margin %, along with its competitors' market caps and FCF Margin % 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 FCF Margin % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Plug Power's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Plug Power's FCF Margin % falls into.


XTER:PLUN
29GF Score
Plug Power Inc XTER:PLUN
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Plug Power FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Plug Power's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-564.9/606.271
=-93.18 %

Plug Power's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin=Free Cash Flow (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=-136.804/141.439
=-96.72 %

* 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.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of -96.72% mean?
Plug Power (XTER:PLUN) has a FCF Margin % of -96.72% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Plug Power and its competitors. According to the industry distribution chart, Plug Power ranks #2916 out of 3036 companies in the Industrial Products industry, placing it in the top 96%.
Is Plug Power's FCF Margin % too high?
Plug Power's current FCF Margin % is -96.72%. Based on the distribution chart, Plug Power ranks #2916 out of 3036 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Plug Power has a GF Score™ of 29/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Plug Power's FCF Margin % compare to HAYW and TE?
According to the Industrial Products industry distribution chart, Plug Power ranks #2916 out of 3036 companies for FCF Margin %. This places Plug Power in the lower half of its industry. The industry median FCF Margin % is 1.57. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for an Industrial Products company?
The median FCF Margin % among Industrial Products companies is 1.57, based on 3,036 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Plug Power and its competitors. For the Industrial Products industry, the median FCF Margin % is 1.57 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Plug Power's current FCF Margin % is -96.72%. 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 (XTER:PLUN) is currently considered Significantly Overvalued. The stock's GF Value™ is €1.33, compared to a current price of €2.44 — trading 83.1% above its estimated fair value. The current FCF Margin % is -96.72%. Plug Power's overall GF Score™ is 29/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Plug Power (XTER:PLUN), the current FCF Margin % is -96.72% 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 (XTER:PLUN) Overvalued in 2026?

Based on GuruFocus' analysis, Plug Power stock appears to be overvalued. The current stock price of €2.44 is trading 83.1% above its estimated GF Value™ of €1.33. GuruFocus considers Plug Power to be Significantly Overvalued.

Key valuation signals for XTER:PLUN:

  • FCF Margin %: -96.72%
  • GF Value™: €1.33 vs. price of €2.44 (83.1% above fair value)
  • GF Score™: 29/100 with 6 warning signs

No single metric tells the full story. See the XTER:PLUN 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.
29GF Score

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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€2.44
Price
€1.33
GF Value