Octave Specialty GroupOSG +2.40%62 PB Ratio is 0.40 as of Jul. 01, 2026, which is 23% below its 10-year median of 0.52. GuruFocus rates OSG with a GF Score™ of 62/100 and a GF Value™ of $7.41 (Modestly Undervalued). Among 501 Insurance companies, Octave Specialty Group ranks better than 94.61% on this metric.
The historical rank and industry rank for Octave Specialty Group's PB Ratio or its related term are showing as below:
OSG'
s PB Ratio Range Over the Past 10 Years
Min: 0.25 Med: 0.52 Max: 0.88
Current: 0.4
During the past 13 years, Octave Specialty Group's highest PB Ratio was 0.88. The lowest was 0.25. And the median was 0.52.
OSG's PB Ratio is ranked better than 94.61% of 501
companies
in the Insurance industry
Industry Median: 1.37
vs OSG: 0.40
During the past 12 months, Octave Specialty Group's average Book Value Per Share Growth Rate was -13.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -17.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -7.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -7.30% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Octave Specialty Group was 39.50% per year. The lowest was -21.40% per year. And the median was 3.65% per year.
Back to Basics: PB Ratio
Octave Specialty Group (NYSE:OSG) 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 Insurance - Specialty subindustry, Octave Specialty Group'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.
Octave Specialty Group PB Ratio vs Insurance Industry
For the Insurance industry and Financial Services sector, Octave Specialty Group's PB Ratio distribution charts can be found below:
* The bar in red indicates where Octave Specialty Group'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.
Octave Specialty Group (OSG) has a PB Ratio of 0.40 as of Jul. 01, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Octave Specialty Group and its competitors. This is 23% below median its historical median of 0.52. Over the past decade, Octave Specialty Group's PB Ratio has ranged from 0.25 to 0.88. According to the industry distribution chart, Octave Specialty Group ranks #27 out of 501 companies in the Insurance industry, placing it in the top 5.4%.
Is Octave Specialty Group's PB Ratio too high?
Octave Specialty Group's current PB Ratio of 0.40 is 23% below median its 10-year median of 0.52. Over the past 10 years, this metric has ranged from a low of 0.25 to a high of 0.88. The Insurance industry median PB Ratio is 1.37. Octave Specialty Group's value of 0.40 is 70.8% below this industry median. Based on the distribution chart, Octave Specialty Group ranks #27 out of 501 companies in the Insurance industry, which is in the top quartile — a strong position relative to peers. Overall, Octave Specialty Group has a GF Score™ of 62/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Octave Specialty Group's PB Ratio compare to MBI and JRVR?
According to the Insurance industry distribution chart, Octave Specialty Group ranks #27 out of 501 companies for PB Ratio. This places Octave Specialty Group in the top 5% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.37. Octave Specialty Group's value of 0.40 is 70.8% below this benchmark. Historically, Octave Specialty Group's own PB Ratio has ranged from 0.25 to 0.88 over the past decade. While the company's 10-year median is 0.52 vs. the industry median of 1.37, Octave Specialty Group 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 an Insurance company?
The median PB Ratio among Insurance companies is 1.37, based on 501 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. Octave Specialty Group's current PB Ratio of 0.40 is 70.8% 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 Octave Specialty Group and its competitors. For the Insurance industry, the median PB Ratio is 1.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Octave Specialty Group's current PB Ratio is 0.40, which is 23% below median its own 10-year median of 0.52. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Octave Specialty Group stock overvalued right now?
Based on GuruFocus' analysis, Octave Specialty Group (OSG) is currently considered Modestly Undervalued. The stock's GF Value™ is $7.41, compared to a current price of $6.39 — trading 13.8% below its estimated fair value. The current PB Ratio is 0.40, which is 23% below median its 10-year median of 0.52 and 70.8% below the Insurance industry median of 1.37. Octave Specialty Group's overall GF Score™ is 62/100. 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 Octave Specialty Group (OSG), the current PB Ratio is 0.40 as of Jul. 01, 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 Octave Specialty Group (OSG) Overvalued in 2026?
Based on GuruFocus' analysis, Octave Specialty Group stock appears to be undervalued.
The current stock price of $6.39 is trading 13.8% below its estimated GF Value™ of $7.41.
GuruFocus considers Octave Specialty Group to be Modestly Undervalued.
Key valuation signals for OSG:
PB Ratio: 0.40 (23% below median its 10-year median of 0.52)
GF Value™: $7.41 vs. price of $6.39 (13.8% below fair value)
Industry Position: 70.8% below the Insurance median (#27 of 501)
No single metric tells the full story. See the OSG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Octave Specialty Group Inc is a world-wide specialty insurance firm that provides strategic direction, risk oversight, data and technology solutions, and capital support to MGA businesses operating across the U.S., U.K., and Bermuda. The company operates in two segments: Specialty Property and Casualty Insurance and ID.
62GF Score
Get the complete analysis for OSG
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
OSG has been successfully added to your 
