DAIO (Data I/O) Cyclically Adjusted PB Ratio: 1.34 (As of Jul. 07, 2026) — 18% Below Median


DAIO Data I/O Corp DAIO
55 GF Score
Price $3.63
GF Value $2.40
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Data I/O Cyclically Adjusted PB Ratio?

Data I/O DAIO -1.36% 55 Cyclically Adjusted PB Ratio is 1.34 as of Jul. 07, 2026, which is 18% below its 10-year median of 1.63. GuruFocus rates DAIO with a GF Score™ of 55/100 and a GF Value™ of $2.40 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,981 Hardware companies, Data I/O ranks better than 64.61% on this metric.

As of today (2026-07-07), Data I/O's current share price is $3.63. Data I/O's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $2.71. Data I/O's Cyclically Adjusted PB Ratio for today is 1.34.

The historical rank and industry rank for Data I/O's Cyclically Adjusted PB Ratio or its related term are showing as below:

DAIO' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.73   Med: 1.63   Max: 6.48
Current: 1.36

During the past years, Data I/O's highest Cyclically Adjusted PB Ratio was 6.48. The lowest was 0.73. And the median was 1.63.

DAIO's Cyclically Adjusted PB Ratio is ranked better than
64.61% of 1981 companies
in the Hardware industry
Industry Median: 2.22 vs DAIO: 1.36

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.

Data I/O's adjusted book value per share data for the three months ended in Mar. 2026 was $1.114. 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 $2.71 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Data I/O  (NAS:DAIO) 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.


Data I/O Cyclically Adjusted PB Ratio Related Terms


Data I/O Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Data I/O'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.

Data I/O Cyclically Adjusted PB Ratio Chart

Data I/O Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.85 1.55 1.12 1.03 1.18

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
Cyclically Adjusted 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 0.90 1.14 1.23 1.18 0.94

DAIO vs HOLO, IEHC, REFR: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Data I/O'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.


Data I/O Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Data I/O's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Data I/O's Cyclically Adjusted PB Ratio falls into.


DAIO
55GF Score
Data I/O Corp DAIO
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Data I/O 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.

Data I/O's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.63/2.71
=1.34

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Data I/O's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=1.114/330.2130*330.2130
=1.114

Current CPI (Mar. 2026) = 330.2130.

Data I/O Quarterly Data

Book Value per Share CPI Adj_Book
201606 1.878 241.018 2.573
201609 1.964 241.428 2.686
201612 2.000 241.432 2.735
201703 2.124 243.801 2.877
201706 2.256 244.955 3.041
201709 2.449 246.819 3.276
201712 2.665 246.524 3.570
201803 2.732 249.554 3.615
201806 2.690 251.989 3.525
201809 2.728 252.439 3.568
201812 2.801 251.233 3.682
201903 2.834 254.202 3.681
201906 2.751 256.143 3.547
201909 2.610 256.759 3.357
201912 2.621 256.974 3.368
202003 2.550 258.115 3.262
202006 2.420 257.797 3.100
202009 2.438 260.280 3.093
202012 2.334 260.474 2.959
202103 2.305 264.877 2.874
202106 2.262 271.696 2.749
202109 2.287 274.310 2.753
202112 2.303 278.802 2.728
202203 2.118 287.504 2.433
202206 1.969 296.311 2.194
202209 2.033 296.808 2.262
202212 2.168 296.797 2.412
202303 2.214 301.836 2.422
202306 2.161 305.109 2.339
202309 2.174 307.789 2.332
202312 2.252 306.746 2.424
202403 2.175 312.332 2.300
202406 2.052 314.175 2.157
202409 2.078 315.301 2.176
202412 1.908 315.605 1.996
202503 1.899 319.799 1.961
202506 1.840 322.561 1.884
202509 1.705 324.800 1.733
202512 1.439 324.054 1.466
202603 1.114 330.213 1.114

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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 1.34 mean?
Data I/O (DAIO) has a Cyclically Adjusted PB Ratio of 1.34 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 Data I/O and its competitors. This is 18% below median its historical median of 1.63. Over the past decade, Data I/O's Cyclically Adjusted PB Ratio has ranged from 0.73 to 6.48. According to the industry distribution chart, Data I/O ranks #701 out of 1981 companies in the Hardware industry, placing it in the top 35.4%.
Is Data I/O's Cyclically Adjusted PB Ratio too high?
Data I/O's current Cyclically Adjusted PB Ratio of 1.34 is 18% below median its 10-year median of 1.63. Over the past 10 years, this metric has ranged from a low of 0.73 to a high of 6.48. The Hardware industry median Cyclically Adjusted PB Ratio is 2.22. Data I/O's value of 1.34 is 39.6% below this industry median. Based on the distribution chart, Data I/O ranks #701 out of 1981 companies in the Hardware industry, which is above the industry midpoint. 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 Cyclically Adjusted PB Ratio compare to HOLO and IEHC?
According to the Hardware industry distribution chart, Data I/O ranks #701 out of 1981 companies for Cyclically Adjusted PB Ratio. This puts Data I/O in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.22. Data I/O's value of 1.34 is 39.6% below this benchmark. Historically, Data I/O's own Cyclically Adjusted PB Ratio has ranged from 0.73 to 6.48 over the past decade. While the company's 10-year median is 1.63 vs. the industry median of 2.22, Data I/O has consistently been below 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 Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.22, based on 1,981 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. Data I/O's current Cyclically Adjusted PB Ratio of 1.34 is 39.6% below 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 Data I/O and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.22 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Data I/O's current Cyclically Adjusted PB Ratio is 1.34, which is 18% below median its own 10-year median of 1.63. 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 $2.40, compared to a current price of $3.63 — trading 51.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.34, which is 18% below median its 10-year median of 1.63 and 39.6% below the Hardware industry median of 2.22. 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 Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Data I/O (DAIO), the current Cyclically Adjusted PB Ratio is 1.34 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.

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 $3.63 is trading 51.3% above its estimated GF Value™ of $2.40. GuruFocus considers Data I/O to be Significantly Overvalued.

Key valuation signals for DAIO:

  • Cyclically Adjusted PB Ratio: 1.34 (18% below median its 10-year median of 1.63)
  • GF Value™: $2.40 vs. price of $3.63 (51.3% above fair value)
  • GF Score™: 55/100 with 4 warning signs
  • Industry Position: 39.6% below the Hardware median (#701 of 1981)

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

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

$3.63
Price
$2.40
GF Value