Alto IngredientsSTU:FPRP -1.43%38 PB Ratio is 1.59 as of Jun. 24, 2026, which is 156% above its 10-year median of 0.62. GuruFocus rates STU:FPRP with a GF Score™ of 38/100 and a GF Value™ of €1.27 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,583 Chemicals companies, Alto Ingredients ranks better than 54.52% on this metric.
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. As of today (2026-06-24), Alto Ingredients's share price is €4.422. Alto Ingredients's Book Value per Share for the quarter that ended in Mar. 2026 was €2.77. Hence, Alto Ingredients's PB Ratio of today is 1.59.
The historical rank and industry rank for Alto Ingredients's PB Ratio or its related term are showing as below:
STU:FPRP'
s PB Ratio Range Over the Past 10 Years
Min: 0.07 Med: 0.62 Max: 2.63
Current: 1.57
During the past 13 years, Alto Ingredients's highest PB Ratio was 2.63. The lowest was 0.07. And the median was 0.62.
STU:FPRP's PB Ratio is ranked better than 54.52% of 1583
companies
in the Chemicals industry
Industry Median: 1.82
vs STU:FPRP: 1.57
During the past 12 months, Alto Ingredients's average Book Value Per Share Growth Rate was 14.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -8.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -7.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -10.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Alto Ingredients was 128.50% per year. The lowest was -72.30% per year. And the median was -3.30% per year.
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.
Alto Ingredients PB Ratio Related Terms
Alto Ingredients PB Ratio Historical Data
* Premium members only.
The historical data trend for Alto Ingredients's PB Ratio can be seen below:
* 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 Specialty Chemicals subindustry, Alto Ingredients'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.
Alto Ingredients PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Alto Ingredients's PB Ratio distribution charts can be found below:
* The bar in red indicates where Alto Ingredients'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.
Alto Ingredients (STU:FPRP) has a PB Ratio of 1.59 as of Jun. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Alto Ingredients and its competitors. This is 156% above median its historical median of 0.62. Over the past decade, Alto Ingredients' PB Ratio has ranged from 0.07 to 2.63. According to the industry distribution chart, Alto Ingredients ranks #720 out of 1583 companies in the Chemicals industry, placing it in the top 45.5%.
Is Alto Ingredients' PB Ratio too high?
Alto Ingredients' current PB Ratio of 1.59 is 156% above median its 10-year median of 0.62. Over the past 10 years, this metric has ranged from a low of 0.07 to a high of 2.63. The Chemicals industry median PB Ratio is 1.82. Alto Ingredients' value of 1.59 is 12.6% below this industry median. Based on the distribution chart, Alto Ingredients ranks #720 out of 1583 companies in the Chemicals industry, which is above the industry midpoint. Overall, Alto Ingredients has a GF Score™ of 38/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Alto Ingredients' PB Ratio compare to OEC and GEVO?
According to the Chemicals industry distribution chart, Alto Ingredients ranks #720 out of 1583 companies for PB Ratio. This puts Alto Ingredients in the upper half of its industry. The industry median PB Ratio is 1.82. Alto Ingredients' value of 1.59 is 12.6% below this benchmark. Historically, Alto Ingredients' own PB Ratio has ranged from 0.07 to 2.63 over the past decade. While the company's 10-year median is 0.62 vs. the industry median of 1.82, Alto Ingredients has consistently been below 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 Chemicals company?
The median PB Ratio among Chemicals companies is 1.82, based on 1,583 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. Alto Ingredients's current PB Ratio of 1.59 is 12.6% below 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 Alto Ingredients and its competitors. For the Chemicals industry, the median PB Ratio is 1.82 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alto Ingredients's current PB Ratio is 1.59, which is 156% above median its own 10-year median of 0.62. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alto Ingredients stock overvalued right now?
Based on GuruFocus' analysis, Alto Ingredients (STU:FPRP) is currently considered Significantly Overvalued. The stock's GF Value™ is €1.27, compared to a current price of €4.42 — trading 248.2% above its estimated fair value. The current PB Ratio is 1.59, which is 156% above median its 10-year median of 0.62 and 12.6% below the Chemicals industry median of 1.82. Alto Ingredients' overall GF Score™ is 38/100 with 4 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 Alto Ingredients (STU:FPRP), the current PB Ratio is 1.59 as of Jun. 24, 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 Alto Ingredients (STU:FPRP) Overvalued in 2026?
Based on GuruFocus' analysis, Alto Ingredients stock appears to be overvalued.
The current stock price of €4.42 is trading 248.2% above its estimated GF Value™ of €1.27.
GuruFocus considers Alto Ingredients to be Significantly Overvalued.
Key valuation signals for STU:FPRP:
PB Ratio: 1.59 (156% above median its 10-year median of 0.62)
GF Value™: €1.27 vs. price of €4.42 (248.2% above fair value)
Industry Position: 12.6% below the Chemicals median (#720 of 1583)
No single metric tells the full story. See the STU:FPRP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Alto Ingredients Inc is a producer and distributor of specialty alcohols, renewable fuels and essential ingredients in the United States. The company serves five markets: Health, Home and Beauty, Food and Beverage, Essential Ingredients, and Renewable Fuels. Its customers include food and beverage companies and consumer products manufacturers and distributors. The company operates under three segments: Marketing and distribution, Pekin Campus production, and Western production.
38GF Score
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