SPWR (SunPower) Quality Rank

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.

SPWR SunPower Inc SPWR
53 GF Score
Price $0.27
GF Value $2.02
Valuation Possible Value Trap
! 6 Warning Signs
View Full Analysis

What is SunPower Quality Rank?

The Quality Rank measures the business quality of a company relative to other companies. It is ranked based on the strength of the balance sheet, as well as the profitability and growth of the business. The ranked companies are split in equal numbers and then ranked from 1 to 10, with 10 being the highest.

The rank of balance sheet (30%)

The rank of balance sheet is done through the ranking of:
  • Interest coverage
  • Zscore
  • Debt to revenue
  • Equity to asset
  • Cash to debt

The rank of Profitability (70%)

The ranking of Profitability is done by ranking:
  • Operating margin mean rank (10-year mean average profit margine)
  • Operating margin growth rank
  • Fscore
  • Predictability rank
  • Revenue growth rank (5 year), when the growth is higher than 25%, set it as 25%
  • Num of year profit (number of years that is profitable within the last 10 years)
  • ROIC median (10-year median of ROIC)

SunPower Quality Rank Related Terms

SPWR
53GF Score
SunPower Inc SPWR
Quality Rank is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Is SunPower (SPWR) Overvalued in 2026?

Based on GuruFocus' analysis, SunPower stock appears to be undervalued. The current stock price of $0.27 is trading 86.4% below its estimated GF Value™ of $2.02. GuruFocus considers SunPower to be Possible Value Trap.

Key valuation signals for SPWR:

  • Quality Rank:
  • GF Value™: $2.02 vs. price of $0.27 (86.4% below fair value)
  • GF Score™: 53/100 with 6 warning signs

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

SunPower Business Description

Address 1403 North Research Way, Orem, UT, USA, 84097
SunPower Inc is a solar technology and energy services provider, specializing in residential solar solutions, battery storage, and home energy management. Company has three segments namely, Residential Solar Installation, this segment performs solar system, storage and battery installations for residential homeowners. New Homes Business-This segment performs solar system installations for new home builders and Dealer -This segment provides a third-party solar energy sales force to initiate and execute contracts with customers throughout the United States. Company generates key revenue from the Residential Solar Installation segment.
53GF Score

Get the complete analysis for SPWR

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

$0.27
Price
$2.02
GF Value