Siam Wellness Group PCLBKK:SPA 83 PB Ratio is 3.18 as of Jul. 05, 2026, which is 65% below its 10-year median of 9.02. GuruFocus rates BKK:SPA with a GF Score™ of 83/100 and a GF Value™ of ฿7.52 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 90 Personal Services companies, Siam Wellness Group PCL ranks worse than 73.33% on this metric.
The historical rank and industry rank for Siam Wellness Group PCL's PB Ratio or its related term are showing as below:
BKK:SPA'
s PB Ratio Range Over the Past 10 Years
Min: 2.8 Med: 9.02 Max: 19.52
Current: 3.18
During the past 13 years, Siam Wellness Group PCL's highest PB Ratio was 19.52. The lowest was 2.80. And the median was 9.02.
BKK:SPA's PB Ratio is ranked worse than 73.33% of 90
companies
in the Personal Services industry
Industry Median: 1.51
vs BKK:SPA: 3.18
During the past 12 months, Siam Wellness Group PCL's average Book Value Per Share Growth Rate was 7.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 31.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 12.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 5.20% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Siam Wellness Group PCL was 81.00% per year. The lowest was -20.50% per year. And the median was 20.50% per year.
Back to Basics: PB Ratio
Siam Wellness Group PCL (BKK:SPA) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Personal Services subindustry, Siam Wellness Group PCL's PB Ratio, along with its competitors' market caps and PB 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.
Siam Wellness Group PCL PB Ratio vs Personal Services Industry
For the Personal Services industry and Consumer Cyclical sector, Siam Wellness Group PCL's PB Ratio distribution charts can be found below:
* The bar in red indicates where Siam Wellness Group PCL's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Siam Wellness Group PCL (BKK:SPA) has a PB Ratio of 3.18 as of Jul. 05, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Siam Wellness Group PCL and its competitors. This is 65% below median its historical median of 9.02. Over the past decade, Siam Wellness Group PCL's PB Ratio has ranged from 2.80 to 19.52. According to the industry distribution chart, Siam Wellness Group PCL ranks #66 out of 90 companies in the Personal Services industry, placing it in the top 73.3%.
Is Siam Wellness Group PCL's PB Ratio too high?
Siam Wellness Group PCL's current PB Ratio of 3.18 is 65% below median its 10-year median of 9.02. Over the past 10 years, this metric has ranged from a low of 2.80 to a high of 19.52. The Personal Services industry median PB Ratio is 1.51. Siam Wellness Group PCL's value of 3.18 is 110.6% above this industry median. Based on the distribution chart, Siam Wellness Group PCL ranks #66 out of 90 companies in the Personal Services industry, which is below the industry midpoint. Overall, Siam Wellness Group PCL has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Siam Wellness Group PCL's PB Ratio compare to ROL and SCI?
According to the Personal Services industry distribution chart, Siam Wellness Group PCL ranks #66 out of 90 companies for PB Ratio. This places Siam Wellness Group PCL in the lower half of its industry. The industry median PB Ratio is 1.51. Siam Wellness Group PCL's value of 3.18 is 110.6% above this benchmark. Historically, Siam Wellness Group PCL's own PB Ratio has ranged from 2.80 to 19.52 over the past decade. While the company's 10-year median is 9.02 vs. the industry median of 1.51, Siam Wellness Group PCL has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Personal Services company?
The median PB Ratio among Personal Services companies is 1.51, based on 90 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Siam Wellness Group PCL's current PB Ratio of 3.18 is 110.6% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Siam Wellness Group PCL and its competitors. For the Personal Services industry, the median PB Ratio is 1.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Siam Wellness Group PCL's current PB Ratio is 3.18, which is 65% below median its own 10-year median of 9.02. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Siam Wellness Group PCL stock overvalued right now?
Based on GuruFocus' analysis, Siam Wellness Group PCL (BKK:SPA) is currently considered Significantly Undervalued. The stock's GF Value™ is ฿7.52, compared to a current price of ฿3.32 — trading 55.9% below its estimated fair value. The current PB Ratio is 3.18, which is 65% below median its 10-year median of 9.02 and 110.6% above the Personal Services industry median of 1.51. Siam Wellness Group PCL's overall GF Score™ is 83/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Siam Wellness Group PCL (BKK:SPA), the current PB Ratio is 3.18 as of Jul. 05, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Siam Wellness Group PCL (BKK:SPA) Overvalued in 2026?
Based on GuruFocus' analysis, Siam Wellness Group PCL stock appears to be undervalued.
The current stock price of ฿3.32 is trading 55.9% below its estimated GF Value™ of ฿7.52.
GuruFocus considers Siam Wellness Group PCL to be Significantly Undervalued.
Key valuation signals for BKK:SPA:
PB Ratio: 3.18 (65% below median its 10-year median of 9.02)
GF Value™: ฿7.52 vs. price of ฿3.32 (55.9% below fair value)
Industry Position: 110.6% above the Personal Services median (#66 of 90)
No single metric tells the full story. See the BKK:SPA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Siam Wellness Group PCL is a Thailand-based company and is principally engaged in the spa business. The business is organized into three segments: Spa services, which operates day spa and destination spa. Also, provides spa management and spa consultancy services; Sales of spa products and healthy products, which distributes natural spa products both and spa equipment for domestic and international markets. and Hotel and restaurant which operates boutique resorts and restaurants. Key revenue is earned from providing spa services. The Group operates in Thailand.
83GF Score
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