First Solar (XSWX:FSLR) 10-Year Sharpe Ratio: N/A (As of Sep. 05, 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.
Reviewed by: Charlie Tian Charlie Tian
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.

XSWX:FSLR First Solar Inc XSWX:FSLR
90 GF Score
Price CHF166.10
GF Value CHF206.35
! 4 Warning Signs
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What is First Solar 10-Year Sharpe Ratio?

The 10-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk over the past ten years. As of today (2026-09-05), First Solar's 10-Year Sharpe Ratio is Not available.


First Solar  (XSWX:FSLR) 10-Year Sharpe Ratio Explanation

The 10-Year Sharpe Ratio inidicates the risk-adjusted return of an investment over the past ten years. It is calculated as the annualized result of the average ten-year monthly excess returns divided by its standard deviation in the ten-year period. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

The greater a portfolio's Sharpe Ratio, the better its risk-adjusted performance. A negative Sharpe Ratio means the risk-free rate is greater than the portfolio’s historical or projected return, or else the portfolio's return is expected to be negative.


First Solar 10-Year Sharpe Ratio Related Terms


XSWX:FSLR vs NXT, ENPH, RUN: 10-Year Sharpe Ratio Comparison

For the Solar subindustry, First Solar's 10-Year Sharpe Ratio, along with its competitors' market caps and 10-Year Sharpe 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.


First Solar 10-Year Sharpe Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, First Solar's 10-Year Sharpe Ratio distribution charts can be found below:

* The bar in red indicates where First Solar's 10-Year Sharpe Ratio falls into.


XSWX:FSLR
90GF Score
First Solar Inc XSWX:FSLR
10-Year Sharpe Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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First Solar 10-Year Sharpe Ratio Calculation

The 10-Year Sharpe Ratio measures the performance of an investment such as a stock or portfolio compared to a risk-free asset in the last ten years. A stock / portfolio's 10-Year Sharpe Ratio can be calculated by dividing the difference between the ten-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the investment returns over the past ten years.

Is First Solar (XSWX:FSLR) Overvalued in 2026?

Based on GuruFocus' analysis, First Solar stock appears to be undervalued. The current stock price of CHF166.10 is trading 19.5% below its estimated GF Value™ of CHF206.35.

Key valuation signals for XSWX:FSLR:

  • 10-Year Sharpe Ratio: N/A
  • GF Value™: CHF206.35 vs. price of CHF166.10 (19.5% below fair value)
  • GF Score™: 90/100 with 4 warning signs

No single metric tells the full story. See the XSWX:FSLR 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.
90GF Score

Get the complete analysis for XSWX:FSLR

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

CHF166.10
Price
CHF206.35
GF Value