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.
Lightwave LogicLWLG -1.89%28 PB Ratio is 12.50 as of Jul. 16, 2026, which is 12% below its 10-year median of 14.16. GuruFocus rates LWLG with a GF Score™ of 28/100. The stock has 3 warning signs investors should review. Among 1,576 Chemicals companies, Lightwave Logic ranks worse than 96.38% on this metric.
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. As of today (2026-07-16), Lightwave Logic's share price is $6.75. Lightwave Logic's Book Value per Share for the quarter that ended in Mar. 2026 was $0.54. Hence, Lightwave Logic's PB Ratio of today is 12.50.
The historical rank and industry rank for Lightwave Logic's PB Ratio or its related term are showing as below:
LWLG'
s PB Ratio Range Over the Past 10 Years
Min: 6.44 Med: 14.16 Max: 30.43
Current: 12.5
During the past 13 years, Lightwave Logic's highest PB Ratio was 30.43. The lowest was 6.44. And the median was 14.16.
LWLG's PB Ratio is ranked worse than 96.38% of 1576
companies
in the Chemicals industry
Industry Median: 1.7
vs LWLG: 12.50
During the past 12 months, Lightwave Logic's average Book Value Per Share Growth Rate was 113.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 27.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 39.10% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 25.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Lightwave Logic was 73.50% per year. The lowest was -44.40% per year. And the median was 12.65% per year.
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.
Lightwave Logic PB Ratio Related Terms
Lightwave Logic PB Ratio Historical Data
* Premium members only.
The historical data trend for Lightwave Logic'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 Specialty Chemicals subindustry, Lightwave Logic'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.
Lightwave Logic PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Lightwave Logic's PB Ratio distribution charts can be found below:
* The bar in red indicates where Lightwave Logic'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.
Lightwave Logic's PB Ratio for today is calculated as follows:
* 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.
Lightwave Logic (LWLG) has a PB Ratio of 12.50 as of Jul. 16, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Lightwave Logic and its competitors. This is 12% below median its historical median of 14.16. Over the past decade, Lightwave Logic's PB Ratio has ranged from 6.44 to 30.43. According to the industry distribution chart, Lightwave Logic ranks #1519 out of 1576 companies in the Chemicals industry, placing it in the top 96.4%.
Is Lightwave Logic's PB Ratio too high?
Lightwave Logic's current PB Ratio of 12.50 is 12% below median its 10-year median of 14.16. Over the past 10 years, this metric has ranged from a low of 6.44 to a high of 30.43. The Chemicals industry median PB Ratio is 1.70. Lightwave Logic's value of 12.50 is 635.3% above this industry median. Based on the distribution chart, Lightwave Logic ranks #1519 out of 1576 companies in the Chemicals industry, which is in the bottom quartile relative to peers. Overall, Lightwave Logic has a GF Score™ of 28/100, reflecting its overall financial health beyond just this single metric.
How does Lightwave Logic's PB Ratio compare to SCL and ECVT?
According to the Chemicals industry distribution chart, Lightwave Logic ranks #1519 out of 1576 companies for PB Ratio. This places Lightwave Logic in the lower half of its industry. The industry median PB Ratio is 1.70. Lightwave Logic's value of 12.50 is 635.3% above this benchmark. Historically, Lightwave Logic's own PB Ratio has ranged from 6.44 to 30.43 over the past decade. While the company's 10-year median is 14.16 vs. the industry median of 1.70, Lightwave Logic 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 Chemicals company?
The median PB Ratio among Chemicals companies is 1.70, based on 1,576 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. Lightwave Logic's current PB Ratio of 12.50 is 635.3% 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 Lightwave Logic and its competitors. For the Chemicals industry, the median PB Ratio is 1.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Lightwave Logic's current PB Ratio is 12.50, which is 12% below median its own 10-year median of 14.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lightwave Logic stock overvalued right now?
Lightwave Logic (LWLG) has a current PB Ratio of 12.50. The current PB Ratio is 12.50, which is 12% below median its 10-year median of 14.16 and 635.3% above the Chemicals industry median of 1.70. Lightwave Logic's overall GF Score™ is 28/100 with 3 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 Lightwave Logic (LWLG), the current PB Ratio is 12.50 as of Jul. 16, 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.
Lightwave Logic Inc is a specialty materials and intellectual property company focused on the development and commercialization of proprietary electro-optic (EO) polymer materials designed to enable high-speed optical modulators for data communications and other photonic applications. Its Perkinamine family of EO polymers is designed for integration into silicon photonics (SiPh) and other photonic integrated circuit (PIC) platforms, supporting high-speed optical modulation with lower drive voltage requirements compared with some conventional silicon-based and III-V compound semiconductor approaches. The company operates as a single reportable segment.
28GF Score
Get the complete analysis for LWLG
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
LWLG has been successfully added to your 
