Volatility is a statistical measure of the dispersion of returns for a given security or market index, it shows how the price swings around its mean. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year. In most cases, the higher the volatility, the riskier the security.
As of today (2026-06-24), Plug Power's Volatility is 74.33%.
Plug Power (XTER:PLUN) Volatility Explanation
Volatility is a statistical measure of the dispersion of returns for a given security or market index. It’s often measured as standard deviation or variance of historical returns over a certain period. The volatility here is measured as the annualized standard deviation between monthly returns from the security over the past year.
Volatility reflects the uncertainty or risk of a security’s value. Generally speaking, a higher volatility suggests a higher risk, because it implies a wider fluctuation around average price. This means the price of the security can change dramatically in either direction within a short period. Conversely, a lower volatility means that the security's price is more steady, which suggests a lower risk.
Another measurement of relative volatility is Beta. Beta is a measure of systematic risk of a security or a portfolio in comparison to the market as a whole. Beta is usually compared to 1. A beta of greater than 1 indicates that the security's price will be more volatile than the market.
Plug Power Volatility Related Terms
XTER:PLUN vs HAYW, TE, AMPX: Volatility Comparison
For the Electrical Equipment & Parts subindustry, Plug Power's Volatility, along with its competitors' market caps and Volatility 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 Volatility vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Plug Power's Volatility distribution charts can be found below:
* The bar in red indicates where Plug Power's Volatility falls into.
The annualized volatility is calculated as following:
σA
=
σM
*
√12
=
√ 1/(n-1) ∑(Ri - R')^2
*
√12
Where: σM is the monthly volatility, n is the number of months in the period, Ri is the security's historical monthly returns and R' is the arithmetic mean of monthly returns.
* 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 (XTER:PLUN) has a Volatility of 74.33% as of Jun. 24, 2026. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Plug Power and its competitors.
Is Plug Power's Volatility too high?
Plug Power's current Volatility is 74.33%. 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 Volatility compare to HAYW and TE?
Plug Power's Volatility of 74.33% 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 Volatility for an Industrial Products company?
A good Volatility depends on the Industrial Products industry context. However, Volatility 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 Volatility mean?
A high Volatility can signal that a stock is expensive relative to its fundamentals. Volatility is measured as the annualized standard deviation between monthly returns from the security over the past year. View historical data on Plug Power and its competitors. Plug Power's current Volatility is 74.33%. 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 Volatility is 74.33%. 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 Volatility calculated?
Volatility is calculated from a company's financial statements. For Plug Power (XTER:PLUN), the current Volatility is 74.33% as of Jun. 24, 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:
Volatility: 74.33%
GF Value™: €1.33 vs. price of €2.44 (83.1% above fair value)
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 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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