IRIX (IRIDEX) PB Ratio: (As of Aug. 03, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

IRIX IRIDEX Corp IRIX
56 GF Score
Price $0.82
GF Value $1.70
Valuation Possible Value Trap
! 3 Warning Signs
View Full Analysis

What is IRIDEX PB Ratio?

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 (2026-08-03), IRIDEX's share price is $0.8206. IRIDEX's Book Value per Share for the quarter that ended in Mar. 2026 was $-0.07. Hence, IRIDEX's PB Ratio of today is .

The historical rank and industry rank for IRIDEX's PB Ratio or its related term are showing as below:

During the past 13 years, IRIDEX's highest PB Ratio was 352.50. The lowest was 0.91. And the median was 2.88.

IRIX's PB Ratio is not ranked *
in the Medical Devices & Instruments industry.
Industry Median: 2.06
* Ranked among companies with meaningful PB Ratio only.

During the past 12 months, IRIDEX's average Book Value Per Share Growth Rate was -243.10% per year.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of IRIDEX was 75.00% per year. The lowest was -55.90% per year. And the median was -0.70% per year.

Back to Basics: PB Ratio


IRIDEX  (NAS:IRIX) PB Ratio Explanation

Unlike valuation ratios relative to the earning power such as PE Ratio, PE Ratio without NRI, PS Ratio, Price-to-Operating-Cash-Flow , or Price-to-Free-Cash-Flow, the PB Ratio measures the valuation of the stock relative to the underlying asset of the company.

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.


IRIDEX PB Ratio Related Terms


IRIDEX PB Ratio Historical Data

* Premium members only.

The historical data trend for IRIDEX'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.

IRIDEX PB Ratio Chart

IRIDEX Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.16 1.86 4.80 13.33 0.00

IRIDEX Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 19.41 220.48 0.00 0.00 0.00

IRIX vs NMTC, CSDX, MODD: PB Ratio Comparison

For the Medical Devices subindustry, IRIDEX'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.


IRIDEX PB Ratio vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, IRIDEX's PB Ratio distribution charts can be found below:

* The bar in red indicates where IRIDEX's PB Ratio falls into.


IRIX
56GF Score
IRIDEX Corp IRIX
PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

IRIDEX PB Ratio Calculation

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.

IRIDEX's PB Ratio for today is calculated as follows:

PB Ratio=Share Price/Book Value per Share (Q: Mar. 2026)
=0.8206/-0.073
=

* 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.

Is IRIDEX (IRIX) Overvalued in 2026?

Based on GuruFocus' analysis, IRIDEX stock appears to be undervalued. The current stock price of $0.82 is trading 51.7% below its estimated GF Value™ of $1.70. GuruFocus considers IRIDEX to be Possible Value Trap.

Key valuation signals for IRIX:

  • PB Ratio:
  • GF Value™: $1.70 vs. price of $0.82 (51.7% below fair value)
  • GF Score™: 56/100 with 3 warning signs

No single metric tells the full story. See the IRIX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


IRIDEX Business Description

Address 1212 Terra Bella Avenue, Mountain View, CA, USA, 94043
IRIDEX Corp is an ophthalmic medical technology company focused on the development and commercialization of breakthrough products and procedures used to treat sight-threatening eye conditions, including glaucoma and retinal diseases. Its products include Lasers, Laser delivery devices, Glaucoma devices, Retinal surgical instruments, and Veterinary and ENT products. The firm also powers its products with its proprietary Micropulse technology. The company operates in only one reportable segment, Ophthalmology. It derives revenues from the sale of consoles, delivery devices, consumables, services, and support activities. The geographical segments of the company include the United States, which drives maximum revenue, Europe, and the Americas, excluding the U.S. and Asia/Pacific Rim.
56GF Score

Get the complete analysis for IRIX

PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$0.82
Price
$1.70
GF Value