First Solar (MIL:1FSLR) Beta: N/A (As of Jul. 14, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MIL:1FSLR First Solar Inc MIL:1FSLR
66 GF Score
Price €195.40
GF Value €234.76
Valuation Modestly Undervalued
! 5 Warning Signs
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What is First Solar Beta?

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. As of today (2026-07-14), First Solar's Beta is Not available.

First Solar  (MIL:1FSLR) Beta Explanation

Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. We usually compare beta to 1. A beta of 1 indicates that the security's price will move with the market. A beta of less than 1 means that the security will be less volatile than the market. A beta of greater than 1 indicates that the security's price will be more volatile than the market.

Beta is primarily used in the Capital Asset Pricing Model (CAPM) to calculate the Cost of Equity, which can be used in the calculation of WACC %. The formula of Cost of Equity is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)

First Solar Beta Related Terms

First Solar Beta Historical Data

* Premium members only.

The historical data trend for First Solar's Beta 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.

First Solar Beta Chart

First Solar Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beta
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First Solar Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Beta 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 0.00 0.00 0.00 0.00 0.00
MIL:1FSLR
66GF Score
First Solar Inc MIL:1FSLR
Beta is just one metric. See GF Score™, valuation, warning signs, and more.
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First Solar Beta Calculation

Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. A stock's beta can be calculated by dividing the product of the covariance of the individual stock's returns and the market's returns by the variance of the market's returns over a specified period. Basically, GuruFocus uses the returns calculated over three-year period.

Is First Solar (MIL:1FSLR) Overvalued in 2026?

Based on GuruFocus' analysis, First Solar stock appears to be undervalued. The current stock price of €195.40 is trading 16.8% below its estimated GF Value™ of €234.76. GuruFocus considers First Solar to be Modestly Undervalued.

Key valuation signals for MIL:1FSLR:

  • Beta: N/A
  • GF Value™: €234.76 vs. price of €195.40 (16.8% below fair value)
  • GF Score™: 66/100 with 5 warning signs

No single metric tells the full story. See the MIL:1FSLR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

First Solar Business Description

Address 4300 East Camelback Road, Suite 220, Phoenix, AZ, USA, 85018
First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world's largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and India.
66GF Score

Get the complete analysis for MIL:1FSLR

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

€195.40
Price
€234.76
GF Value