First Solar (MEX:FSLR) Defensive Interval Ratio

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.

MEX:FSLR First Solar Inc MEX:FSLR
89 GF Score
Price MXN4,042.55
GF Value MXN4,511.63
Valuation Modestly Undervalued
! 5 Warning Signs
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What is First Solar Defensive Interval Ratio?

MEX:FSLR
89GF Score
First Solar Inc MEX:FSLR
Defensive Interval Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is First Solar (MEX:FSLR) Overvalued in 2026?

Based on GuruFocus' analysis, First Solar stock appears to be undervalued. The current stock price of MXN4,042.55 is trading 10.4% below its estimated GF Value™ of MXN4,511.63. GuruFocus considers First Solar to be Modestly Undervalued.

Key valuation signals for MEX:FSLR:

  • Defensive Interval Ratio:
  • GF Value™: MXN4,511.63 vs. price of MXN4,042.55 (10.4% below fair value)
  • GF Score™: 89/100 with 5 warning signs

No single metric tells the full story. See the MEX: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.
89GF Score

Get the complete analysis for MEX:FSLR

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

MXN4,042.55
Price
MXN4,511.63
GF Value