Alpha Pro Tech (STU:APL) 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.

STU:APL Alpha Pro Tech Ltd STU:APL
73 GF Score
Price €4.38
GF Value €4.63
Valuation Fairly Valued
! 5 Warning Signs
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What is Alpha Pro Tech 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)

Alpha Pro Tech Quality Rank Related Terms

STU:APL
73GF Score
Alpha Pro Tech Ltd STU:APL
Quality Rank is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Is Alpha Pro Tech (STU:APL) Overvalued in 2026?

Based on GuruFocus' analysis, Alpha Pro Tech stock appears to be undervalued. The current stock price of €4.38 is trading 5.4% below its estimated GF Value™ of €4.63. GuruFocus considers Alpha Pro Tech to be Fairly Valued.

Key valuation signals for STU:APL:

  • Quality Rank:
  • GF Value™: €4.63 vs. price of €4.38 (5.4% below fair value)
  • GF Score™: 73/100 with 5 warning signs

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

Alpha Pro Tech Business Description

Other Exchanges APT:USA
Address 53 Wellington Street East, Aurora, ON, CAN, L4G 1H6
Alpha Pro Tech Ltd is in the business of protecting people, products, and environments. It is developing, manufacturing, and marketing a line of disposable protective apparel and infection control products for the cleanroom, industrial, pharmaceutical, medical, and dental markets. It also manufactures a line of building supply construction weatherization products that are sold under the Alpha Pro Tech brand name. The Company operates through two business segments: Building Supply and Disposable Protective Apparel. Key revenue is generated from Building Supply, consisting of a line of construction supply weatherization products. The construction supply weatherization products consist of housewrap and synthetic roof underlayment, and synthetic roof underlayment accessories.
73GF Score

Get the complete analysis for STU:APL

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

€4.38
Price
€4.63
GF Value