ProPhase LabsPRPH +22.18% Cyclically Adjusted PB Ratio is 0.00 as of Jul. 07, 2026. The stock has 5 warning signs investors should review. Among 136 Medical Diagnostics & Research companies, ProPhase Labs ranks worse than 735293.38% on this metric.
The historical rank and industry rank for ProPhase Labs's Cyclically Adjusted PB Ratio or its related term are showing as below:
During the past years, ProPhase Labs's highest Cyclically Adjusted PB Ratio was 13.77. The lowest was 0.01. And the median was 2.17.
PRPH's Cyclically Adjusted PB Ratio is not ranked *
in the Medical Diagnostics & Research industry.
Industry Median: 1.77 * Ranked among companies with meaningful Cyclically Adjusted PB Ratio only.
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
ProPhase Labs's adjusted book value per share data for the three months ended in Mar. 2026 was $-0.044. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $24.00 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
ProPhase Labs (OTCPK:PRPH) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
ProPhase Labs Cyclically Adjusted PB Ratio Related Terms
ProPhase Labs Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for ProPhase Labs's Cyclically Adjusted 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.
PRPH vs IDTA, IVRO, FUNI: Cyclically Adjusted PB Ratio Comparison
For the Diagnostics & Research subindustry, ProPhase Labs's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted 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.
ProPhase Labs Cyclically Adjusted PB Ratio vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, ProPhase Labs's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where ProPhase Labs's Cyclically Adjusted PB Ratio falls into.
ProPhase Labs Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
ProPhase Labs's Cyclically Adjusted PB Ratio for today is calculated as
* 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.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PB Ratio of 0.00 mean?
ProPhase Labs (PRPH) has a Cyclically Adjusted PB Ratio of 0.00 as of Jul. 07, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on ProPhase Labs and its competitors. Over the past decade, ProPhase Labs' Cyclically Adjusted PB Ratio has ranged from 0.01 to 13.77. According to the industry distribution chart, ProPhase Labs ranks #999999 out of 136 companies in the Medical Diagnostics & Research industry.
Is ProPhase Labs' Cyclically Adjusted PB Ratio too high?
ProPhase Labs' current Cyclically Adjusted PB Ratio is 0.00. Over the past 10 years, this metric has ranged from a low of 0.01 to a high of 13.77. Based on the distribution chart, ProPhase Labs ranks #999999 out of 136 companies in the Medical Diagnostics & Research industry, which is in the bottom quartile relative to peers.
How does ProPhase Labs' Cyclically Adjusted PB Ratio compare to IDTA and IVRO?
According to the Medical Diagnostics & Research industry distribution chart, ProPhase Labs ranks #999999 out of 136 companies for Cyclically Adjusted PB Ratio. This places ProPhase Labs in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.77. Historically, ProPhase Labs' own Cyclically Adjusted PB Ratio has ranged from 0.01 to 13.77 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Medical Diagnostics & Research company?
The median Cyclically Adjusted PB Ratio among Medical Diagnostics & Research companies is 1.77, based on 136 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on ProPhase Labs and its competitors. For the Medical Diagnostics & Research industry, the median Cyclically Adjusted PB Ratio is 1.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ProPhase Labs's current Cyclically Adjusted PB Ratio is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ProPhase Labs stock overvalued right now?
Based on GuruFocus' analysis, ProPhase Labs (PRPH) is currently considered Possible Value Trap. The stock's GF Value™ is $0.85, compared to a current price of $0.09 — trading 89.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.00. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For ProPhase Labs (PRPH), the current Cyclically Adjusted PB Ratio is 0.00 as of Jul. 07, 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.
ProPhase Labs Inc oriented and diversified next generation biotech, genomics and consumer products company that develops and commercializes novel drugs, dietary supplements, and compounds, and human genomic testing. It offer whole genome sequencing and related services. It maintain two operating segments: diagnostic services (which includes its COVID-19 and other diagnostic testing services) and consumer products. It generates majority of revenue from consumer products segment which engaged in the research, development, manufacture, distribution, marketing and sale of OTC consumer healthcare products and dietary supplements in the United States and also provides personal genomics products and services.
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