Mizuho Financial GroupMFG +1.25%67 PB Ratio is 1.66 as of Jun. 28, 2026, which is 207% above its 10-year median of 0.54. GuruFocus rates MFG with a GF Score™ of 67/100 and a GF Value™ of $5.73 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,516 Banks companies, Mizuho Financial Group ranks worse than 83.58% on this metric.
Mizuho Financial Group Inc stock PB Ratio (=1.68) is close to 10-year high of 1.7.
The historical rank and industry rank for Mizuho Financial Group's PB Ratio or its related term are showing as below:
MFG'
s PB Ratio Range Over the Past 10 Years
Min: 0.32 Med: 0.54 Max: 1.7
Current: 1.68
During the past 13 years, Mizuho Financial Group's highest PB Ratio was 1.70. The lowest was 0.32. And the median was 0.54.
MFG's PB Ratio is ranked worse than 83.58% of 1516
companies
in the Banks industry
Industry Median: 1.09
vs MFG: 1.68
During the past 12 months, Mizuho Financial Group's average Book Value Per Share Growth Rate was 11.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 8.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 5.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 2.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Mizuho Financial Group was 35.10% per year. The lowest was -27.60% per year. And the median was 3.40% per year.
Back to Basics: PB Ratio
Mizuho Financial Group (NYSE:MFG) 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.
Mizuho Financial Group PB Ratio Competitor Comparison
For the Banks - Regional subindustry, Mizuho Financial 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.
Mizuho Financial Group PB Ratio vs Banks Industry
For the Banks industry and Financial Services sector, Mizuho Financial Group's PB Ratio distribution charts can be found below:
* The bar in red indicates where Mizuho Financial 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.
Mizuho Financial Group (MFG) has a PB Ratio of 1.66 as of Jun. 28, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Mizuho Financial Group and its competitors. This is 207% above median its historical median of 0.54. Over the past decade, Mizuho Financial Group's PB Ratio has ranged from 0.32 to 1.70. According to the industry distribution chart, Mizuho Financial Group ranks #1267 out of 1516 companies in the Banks industry, placing it in the top 83.6%.
Is Mizuho Financial Group's PB Ratio too high?
Mizuho Financial Group's current PB Ratio of 1.66 is 207% above median its 10-year median of 0.54. Over the past 10 years, this metric has ranged from a low of 0.32 to a high of 1.70. The Banks industry median PB Ratio is 1.09. Mizuho Financial Group's value of 1.66 is 52.3% above this industry median. Based on the distribution chart, Mizuho Financial Group ranks #1267 out of 1516 companies in the Banks industry, which is in the bottom quartile relative to peers. Overall, Mizuho Financial Group has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Mizuho Financial Group's PB Ratio compare to competitors?
According to the Banks industry distribution chart, Mizuho Financial Group ranks #1267 out of 1516 companies for PB Ratio. This places Mizuho Financial Group in the lower half of its industry. The industry median PB Ratio is 1.09. Mizuho Financial Group's value of 1.66 is 52.3% above this benchmark. Historically, Mizuho Financial Group's own PB Ratio has ranged from 0.32 to 1.70 over the past decade. While the company's 10-year median is 0.54 vs. the industry median of 1.09, Mizuho Financial Group 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 Banks company?
The median PB Ratio among Banks companies is 1.09, based on 1,516 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. Mizuho Financial Group's current PB Ratio of 1.66 is 52.3% 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 Mizuho Financial Group and its competitors. For the Banks industry, the median PB Ratio is 1.09 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mizuho Financial Group's current PB Ratio is 1.66, which is 207% above median its own 10-year median of 0.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mizuho Financial Group stock overvalued right now?
Based on GuruFocus' analysis, Mizuho Financial Group (MFG) is currently considered Significantly Overvalued. The stock's GF Value™ is $5.73, compared to a current price of $9.71 — trading 69.5% above its estimated fair value. The current PB Ratio is 1.66, which is 207% above median its 10-year median of 0.54 and 52.3% above the Banks industry median of 1.09. Mizuho Financial Group's overall GF Score™ is 67/100 with 5 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 Mizuho Financial Group (MFG), the current PB Ratio is 1.66 as of Jun. 28, 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 Mizuho Financial Group (MFG) Overvalued in 2026?
Based on GuruFocus' analysis, Mizuho Financial Group stock appears to be overvalued.
The current stock price of $9.71 is trading 69.5% above its estimated GF Value™ of $5.73.
GuruFocus considers Mizuho Financial Group to be Significantly Overvalued.
Key valuation signals for MFG:
PB Ratio: 1.66 (207% above median its 10-year median of 0.54)
GF Value™: $5.73 vs. price of $9.71 (69.5% above fair value)
Industry Position: 52.3% above the Banks median (#1267 of 1516)
No single metric tells the full story. See the MFG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Mizuho Financial Group is roughly tied with megabank peer Sumitomo Mitsui Financial Group for the status as Japan's second-largest bank after Mitsubishi UFJ Financial Group. In Japan, Mizuho has more of a corporate focus than SMFG, which has a larger retail business. Its overseas weighting is slightly smaller than that of MUFG. Unlike its two Japanese megabank peers, which own foreign banks outright or hold noncontrolling stakes in local banks overseas, Mizuho expanded in recent years beyond its traditional Japanese borrowers, mainly through its core banking and securities units, focusing on the financing needs of global multinational corporations.
67GF Score
Get the complete analysis for MFG
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