Microwave Filter CoMFCO 29 PB Ratio is 2.47 as of Jun. 26, 2026, which is 108% above its 10-year median of 1.19. GuruFocus rates MFCO with a GF Score™ of 29/100 and a GF Value™ of $0.33 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,413 Hardware companies, Microwave Filter Co ranks worse than 51.06% on this metric.
Microwave Filter Co Inc stock PB Ratio (=2.54) is close to 10-year high of 2.54.
The historical rank and industry rank for Microwave Filter Co's PB Ratio or its related term are showing as below:
MFCO'
s PB Ratio Range Over the Past 10 Years
Min: 0.42 Med: 1.19 Max: 2.54
Current: 2.45
During the past 13 years, Microwave Filter Co's highest PB Ratio was 2.54. The lowest was 0.42. And the median was 1.19.
MFCO's PB Ratio is ranked worse than 51.06% of 2413
companies
in the Hardware industry
Industry Median: 2.4
vs MFCO: 2.45
During the past 12 months, Microwave Filter Co's average Book Value Per Share Growth Rate was -16.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 4.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -0.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -6.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Microwave Filter Co was 33.60% per year. The lowest was -12.20% per year. And the median was -0.30% per year.
Back to Basics: PB Ratio
Microwave Filter Co (OTCPK:MFCO) 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.
Microwave Filter Co PB Ratio Related Terms
Microwave Filter Co PB Ratio Historical Data
* Premium members only.
The historical data trend for Microwave Filter Co'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 Communication Equipment subindustry, Microwave Filter Co'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.
Microwave Filter Co PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Microwave Filter Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Microwave Filter Co'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.
Microwave Filter Co (MFCO) has a PB Ratio of 2.47 as of Jun. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Microwave Filter Co and its competitors. This is 108% above median its historical median of 1.19. Over the past decade, Microwave Filter Co's PB Ratio has ranged from 0.42 to 2.54. According to the industry distribution chart, Microwave Filter Co ranks #1232 out of 2413 companies in the Hardware industry, placing it in the top 51.1%.
Is Microwave Filter Co's PB Ratio too high?
Microwave Filter Co's current PB Ratio of 2.47 is 108% above median its 10-year median of 1.19. Over the past 10 years, this metric has ranged from a low of 0.42 to a high of 2.54. The Hardware industry median PB Ratio is 2.40. Microwave Filter Co's value of 2.47 is 2.9% above this industry median. Based on the distribution chart, Microwave Filter Co ranks #1232 out of 2413 companies in the Hardware industry, which is below the industry midpoint. Overall, Microwave Filter Co has a GF Score™ of 29/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Microwave Filter Co's PB Ratio compare to ASNS and WLAN?
According to the Hardware industry distribution chart, Microwave Filter Co ranks #1232 out of 2413 companies for PB Ratio. This places Microwave Filter Co in the lower half of its industry. The industry median PB Ratio is 2.40. Microwave Filter Co's value of 2.47 is 2.9% above this benchmark. Historically, Microwave Filter Co's own PB Ratio has ranged from 0.42 to 2.54 over the past decade. While the company's 10-year median is 1.19 vs. the industry median of 2.40, Microwave Filter Co 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 Hardware company?
The median PB Ratio among Hardware companies is 2.40, based on 2,413 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. Microwave Filter Co's current PB Ratio of 2.47 is 2.9% 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 Microwave Filter Co and its competitors. For the Hardware industry, the median PB Ratio is 2.40 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Microwave Filter Co's current PB Ratio is 2.47, which is 108% above median its own 10-year median of 1.19. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Microwave Filter Co stock overvalued right now?
Based on GuruFocus' analysis, Microwave Filter Co (MFCO) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.33, compared to a current price of $1.30 — trading 293.9% above its estimated fair value. The current PB Ratio is 2.47, which is 108% above median its 10-year median of 1.19 and 2.9% above the Hardware industry median of 2.40. Microwave Filter Co's overall GF Score™ is 29/100 with 6 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 Microwave Filter Co (MFCO), the current PB Ratio is 2.47 as of Jun. 26, 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 Microwave Filter Co (MFCO) Overvalued in 2026?
Based on GuruFocus' analysis, Microwave Filter Co stock appears to be overvalued.
The current stock price of $1.30 is trading 293.9% above its estimated GF Value™ of $0.33.
GuruFocus considers Microwave Filter Co to be Significantly Overvalued.
Key valuation signals for MFCO:
PB Ratio: 2.47 (108% above median its 10-year median of 1.19)
GF Value™: $0.33 vs. price of $1.30 (293.9% above fair value)
Industry Position: 2.9% above the Hardware median (#1232 of 2413)
No single metric tells the full story. See the MFCO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Microwave Filter Co Inc operates in the United States and designs, develops, manufactures and sells electronic filters for radio and microwave frequencies. Its products support signal distribution and interference prevention and serve cable television, broadcast, satellite, mobile radio, cellular including 5G, telephone, commercial, aerospace and defense markets. The Company offers filter products covering frequencies from 5 Hz to 50 GHz, including custom designs such as waveguide, stripline and microstrip, lumped element, dielectric resonator, and cavity and coaxial topologies. Its product range includes bandpass, bandstop, highpass and lowpass filters, combiners, couplers, diplexers, adaptors, and CATV headend channel deletion filters and networks for wireless and PCS applications.
29GF Score
Get the complete analysis for MFCO
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
MFCO has been successfully added to your 
