NASDAQ · DAIOTechnologyElectronic Instruments

Data I/O Corp (DAIO)

$2.42+2.77%
Close Nov 3, 2026 · split-adjusted
Nov 3, 2026$2.42▼ 19.77% in range
Nov 3, 2025Low $2.17 · High $4.26Nov 3, 2026
What changed · written from our data
As of Nov 3, 2026

Data I/O closed at $2.42 on Nov 3, up 2.77%, 43.3% below its 52-week closing high. Volume of 20.9K shares was 0.72× its 20-day average (below normal).

Split-adjusted performance: -16.4% over one month, -15.0% over six months, -20.3% over one year.

In the quarter ended Jun 30, 2026, revenue was $5.15M, with a net margin of -31.6%.

Short interest was 7.0K shares at the Oct 15 settlement, down 55.1% from the prior report (0.1% of float, 1.0 days to cover).

Market cap$25.1M10.4M shares
Revenue · quarter$5.1M—
Diluted EPS$-0.17—
P/E · TTM—
Net margin-31.6%Gross 57.0%
Dividend yieldNone
52-week range2.17 – 4.26−43.3% from high
Volume20.9K0.72× 20-day avg
Volatility · 60d35.9%Annualised
Short % of float0.1%1.0 days to cover
Net cash$4.6MCash $10.8M
Next earnings—Not scheduled
Split-adjusted performance
1W −1.0%1M −16.4%3M −19.5%6M −15.0%YTD −23.8%1Y −20.3%3Y −22.6%5Y −62.4%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Electronic Instruments

Percentile among 10 companies (100 = best)

6-month momentum22
Revenue growth—
Net margin0
Value (low P/E)—
Size0

Industry medians: 6-month return +8.1%, revenue growth +21.6%, net margin 6.9%, P/E 52.3×.

Short interest

Details →
Shares short7.0K−55.1% vs prior
Days to cover1.0Settled Oct 15
% of float0.1%
Short vol. 10d30.2%of daily volume

Closest peers by size in Electronic Instruments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
DAIOData I/O$2.42+2.77%−15.0%—−31.6%—$25.1M
INTTinTEST$14.68+5.16%−10.1%+25.5%1.3%120.1$188.3MCompare
FEIMFrequency Electronics$66.59+1.23%+18.4%+69.8%18.0%280.2$750.7MCompare
TRNSTranscat$89.52+1.82%+18.8%+21.6%1.4%243.1$837.9MCompare
ALNTAllient$88.02+4.57%+12.8%+10.2%6.8%52.3$1.50BCompare
AEHRAehr Test Systems$65.11+26.50%−28.6%−43.7%−31.1%—$2.13BCompare
COHUCohu$50.03+3.43%+3.3%+37.0%7.0%—$2.37BCompare
ITRIItron$98.22−1.55%+16.3%+3.0%11.9%15.4$4.31BCompare
VLTOVeralto$116.32+0.54%+32.0%+7.5%16.8%28.2$28.28BCompare

Quick answers

What does Data I/O do?
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.
What is DAIO's market cap?
$25.11M, based on the Nov 3 close of $2.42.
Does Data I/O pay a dividend?
No regular cash dividend has been paid in the last year.
How much of DAIO is sold short?
7.0K shares, 0.1% of float, as of Oct 15, 2026.
What sector is DAIO in?
Technology, in the Electronic Instruments industry.

About Data I/O

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.

HQ: Redmond, WA97 employeesListed May 5, 1981dataio.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology