DAIO (Data I/O) ROE % Adjusted to Book Value: -46.59% (As of Mar. 2026)


DAIO Data I/O Corp DAIO
55 GF Score
Price $3.71
GF Value $2.37
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Data I/O ROE % Adjusted to Book Value?

Data I/O DAIO -2.50% 55 ROE % Adjusted to Book Value is -46.59% as of Mar. 2026. GuruFocus rates DAIO with a GF Score™ of 55/100 and a GF Value™ of $2.37 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Data I/O's ROE % for the quarter that ended in Mar. 2026 was -105.77%. Data I/O's PB Ratio for the quarter that ended in Mar. 2026 was 2.27. Data I/O's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 was -46.59%.


Data I/O ROE % Adjusted to Book Value Related Terms


Data I/O ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Data I/O's ROE % Adjusted to Book Value 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.

Data I/O ROE % Adjusted to Book Value Chart

Data I/O Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1.41 -3.14 1.89 -11.24 -15.29

Data I/O Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
ROE % Adjusted to Book Value 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 -6.74 -10.15 -16.71 -33.87 -46.59

DAIO vs IEHC, HOLO, NEON: ROE % Adjusted to Book Value Comparison

For the Electronic Components subindustry, Data I/O's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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.


Data I/O ROE % Adjusted to Book Value vs Hardware Industry

For the Hardware industry and Technology sector, Data I/O's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Data I/O's ROE % Adjusted to Book Value falls into.


DAIO
55GF Score
Data I/O Corp DAIO
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Data I/O ROE % Adjusted to Book Value Calculation

Data I/O's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-33.63% / 2.20
=-15.29%

Data I/O's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-105.77% / 2.27
=-46.59%

* 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.

What does a ROE % Adjusted to Book Value of -46.59% mean?
Data I/O (DAIO) has a ROE % Adjusted to Book Value of -46.59% as of Mar. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Data I/O and its competitors.
Is Data I/O's ROE % Adjusted to Book Value too high?
Data I/O's current ROE % Adjusted to Book Value is -46.59%. Overall, Data I/O has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Data I/O's ROE % Adjusted to Book Value compare to IEHC and HOLO?
Data I/O's ROE % Adjusted to Book Value of -46.59% can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Hardware company?
A good ROE % Adjusted to Book Value depends on the Hardware industry context. However, ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Data I/O and its competitors. Data I/O's current ROE % Adjusted to Book Value is -46.59%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Data I/O stock overvalued right now?
Based on GuruFocus' analysis, Data I/O (DAIO) is currently considered Significantly Overvalued. The stock's GF Value™ is $2.37, compared to a current price of $3.71 — trading 56.3% above its estimated fair value. The current ROE % Adjusted to Book Value is -46.59%. Data I/O's overall GF Score™ is 55/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Data I/O (DAIO), the current ROE % Adjusted to Book Value is -46.59% as of Mar. 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 Data I/O (DAIO) Overvalued in 2026?

Based on GuruFocus' analysis, Data I/O stock appears to be overvalued. The current stock price of $3.71 is trading 56.3% above its estimated GF Value™ of $2.37. GuruFocus considers Data I/O to be Significantly Overvalued.

Key valuation signals for DAIO:

  • ROE % Adjusted to Book Value: -46.59%
  • GF Value™: $2.37 vs. price of $3.71 (56.3% above fair value)
  • GF Score™: 55/100 with 4 warning signs

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


Data I/O Business Description

Address 6645 185th Avenue NE, Suite 100, Redmond, WA, USA, 98052
Data I/O Corp provides semiconductor programming, security provisioning, and intellectual property protection and management solutions used in electronics manufacturing with flash memory, microcontrollers, and flash memory-based intelligent devices as well as secure element devices, authentication devices and secure microcontrollers. It operates as a single segment entity, with the sole objective to design, manufacture, and sell programming solutions and Programming-as-a-Service (PaaS) to the world's various electronics manufacturers including OEMs, CMs and EMS companies. The company operate in three separate locations Redmond, Washington; Shanghai, China; and Munich, Germany.
55GF Score

Get the complete analysis for DAIO

ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$3.71
Price
$2.37
GF Value