Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Niagen BioscienceNAGE +3.76%68 Cyclically Adjusted PB Ratio is 5.11 as of Aug. 19, 2026, which is 61% below its 10-year median of 13.03. GuruFocus rates NAGE with a GF Score™ of 68/100 and a GF Value™ of $4.94 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 693 Biotechnology companies, Niagen Bioscience ranks worse than 75.47% on this metric.
The historical rank and industry rank for Niagen Bioscience's Cyclically Adjusted PB Ratio or its related term are showing as below:
NAGE'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.93 Med: 13.03 Max: 43.53
Current: 4.94
During the past years, Niagen Bioscience's highest Cyclically Adjusted PB Ratio was 43.53. The lowest was 2.93. And the median was 13.03.
NAGE's Cyclically Adjusted PB Ratio is ranked worse than 75.47% of 693
companies
in the Biotechnology industry
Industry Median: 1.61
vs NAGE: 4.94
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.
Niagen Bioscience's adjusted book value per share data for the three months ended in Jun. 2026 was $1.046. 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 $0.62 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Niagen Bioscience (NAS:NAGE) 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.
Niagen Bioscience Cyclically Adjusted PB Ratio Related Terms
Niagen Bioscience Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Niagen Bioscience'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.
Niagen Bioscience Cyclically Adjusted PB Ratio Chart
NAGE vs LCTX, IFRX, VRXA: Cyclically Adjusted PB Ratio Comparison
For the Biotechnology subindustry, Niagen Bioscience'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.
Niagen Bioscience Cyclically Adjusted PB Ratio vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Niagen Bioscience's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Niagen Bioscience's Cyclically Adjusted PB Ratio falls into.
Niagen Bioscience 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.
Niagen Bioscience'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 5.11 mean?
Niagen Bioscience (NAGE) has a Cyclically Adjusted PB Ratio of 5.11 as of Aug. 19, 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 Niagen Bioscience and its competitors. This is 61% below median its historical median of 13.03. Over the past decade, Niagen Bioscience's Cyclically Adjusted PB Ratio has ranged from 2.93 to 43.53. According to the industry distribution chart, Niagen Bioscience ranks #523 out of 693 companies in the Biotechnology industry, placing it in the top 75.5%.
Is Niagen Bioscience's Cyclically Adjusted PB Ratio too high?
Niagen Bioscience's current Cyclically Adjusted PB Ratio of 5.11 is 61% below median its 10-year median of 13.03. Over the past 10 years, this metric has ranged from a low of 2.93 to a high of 43.53. The Biotechnology industry median Cyclically Adjusted PB Ratio is 1.61. Niagen Bioscience's value of 5.11 is 217.4% above this industry median. Based on the distribution chart, Niagen Bioscience ranks #523 out of 693 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Niagen Bioscience has a GF Score™ of 68/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Niagen Bioscience's Cyclically Adjusted PB Ratio compare to LCTX and IFRX?
According to the Biotechnology industry distribution chart, Niagen Bioscience ranks #523 out of 693 companies for Cyclically Adjusted PB Ratio. This places Niagen Bioscience in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.61. Niagen Bioscience's value of 5.11 is 217.4% above this benchmark. Historically, Niagen Bioscience's own Cyclically Adjusted PB Ratio has ranged from 2.93 to 43.53 over the past decade. While the company's 10-year median is 13.03 vs. the industry median of 1.61, Niagen Bioscience 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 Cyclically Adjusted PB Ratio for a Biotechnology company?
The median Cyclically Adjusted PB Ratio among Biotechnology companies is 1.61, based on 693 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. Niagen Bioscience's current Cyclically Adjusted PB Ratio of 5.11 is 217.4% 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 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 Niagen Bioscience and its competitors. For the Biotechnology industry, the median Cyclically Adjusted PB Ratio is 1.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Niagen Bioscience's current Cyclically Adjusted PB Ratio is 5.11, which is 61% below median its own 10-year median of 13.03. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Niagen Bioscience stock overvalued right now?
Based on GuruFocus' analysis, Niagen Bioscience (NAGE) is currently considered Possible Value Trap. The stock's GF Value™ is $4.94, compared to a current price of $3.17 — trading 35.8% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 5.11, which is 61% below median its 10-year median of 13.03 and 217.4% above the Biotechnology industry median of 1.61. Niagen Bioscience's overall GF Score™ is 68/100 with 3 warning signs to review. 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 Niagen Bioscience (NAGE), the current Cyclically Adjusted PB Ratio is 5.11 as of Aug. 19, 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 Niagen Bioscience (NAGE) Overvalued in 2026?
Based on GuruFocus' analysis, Niagen Bioscience stock appears to be undervalued.
The current stock price of $3.17 is trading 35.8% below its estimated GF Value™ of $4.94.
GuruFocus considers Niagen Bioscience to be Possible Value Trap.
Key valuation signals for NAGE:
Cyclically Adjusted PB Ratio: 5.11 (61% below median its 10-year median of 13.03)
GF Value™: $4.94 vs. price of $3.17 (35.8% below fair value)
Industry Position: 217.4% above the Biotechnology median (#523 of 693)
No single metric tells the full story. See the NAGE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Niagen Bioscience Inc is the leader in NAD+ (nicotinamide adenine dinucleotide) science and healthy-aging research. It is dedicated to advancing healthspan through precision science and innovative NAD+-boosting solutions. It is is clinically proven to increase NAD+ levels efficiently and effectively, and is the key ingredient powering our suite of Niagen brands.
68GF Score
Get the complete analysis for NAGE
Cyclically Adjusted 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
NAGE has been successfully added to your 
