Big Yellow Group (STU:B9Y) Valuation 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:B9Y Big Yellow Group PLC STU:B9Y
73 GF Score
Price €10.20
GF Value €12.19
Valuation Modestly Undervalued
! 6 Warning Signs
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What is Big Yellow Group Valuation Rank?

The Valuation Rank measures the current valuation of a business relative to other companies in the same industry and its own historical valuation. The companies are split in equal numbers and then ranked from 1 to 10, with 10 as the most undervalued and 1 as the most overvalued.

  1. Three factors:
    • Absolute valuation (medpsvalue) relative to current stock price, rank among all companies
    • Historical valuation over the past 10 years. Rank pe, ps, pocf, ev2ebit over their own historical values
    • Industry relative valuation
  2. Companies without enough data is not ranked
  3. Companies with negative earnings are ranked lower

These three factors are used to calculate the value score for every eligible company, with values from 1 to 10. The final ranked companies are split in equal numbers and ranked from 1 to 10, with 10 as the most undervalued, and 1 as the most overvalued. The numbers of companies in each rank are the same.

Big Yellow Group Valuation Rank Related Terms

STU:B9Y
73GF Score
Big Yellow Group PLC STU:B9Y
Valuation Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Big Yellow Group (STU:B9Y) Overvalued in 2026?

Based on GuruFocus' analysis, Big Yellow Group stock appears to be undervalued. The current stock price of €10.20 is trading 16.3% below its estimated GF Value™ of €12.19. GuruFocus considers Big Yellow Group to be Modestly Undervalued.

Key valuation signals for STU:B9Y:

  • Valuation Rank:
  • GF Value™: €12.19 vs. price of €10.20 (16.3% below fair value)
  • GF Score™: 73/100 with 6 warning signs

No single metric tells the full story. See the STU:B9Y stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Big Yellow Group Business Description

Industry Real EstateREITs
Address Bridge Road, 2 The Deans, Bagshot, London, Surrey, GBR, GU19 5AT
Big Yellow Group PLC operates a portfolio of modern, purpose-built self-storage stores. The Group provides self storage solutions for domestic and business customers, including storage space, flexi offices, dedicated office space, delivery acceptance, forklifting, courier arrangement services, and the sale of boxes and packing materials. The Group operates Big Yellow stores and Armadillo stores across the United Kingdom, with a focus on London and the South East. The Group operates in one segment, the provision of self-storage and related services.
73GF Score

Get the complete analysis for STU:B9Y

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

€10.20
Price
€12.19
GF Value