SuperworthData I/O market cap DAIO
Share price times shares outstanding: what the whole company sells for, since 2011.
- Today, Oct 23, 2026
- $25.6M
- Highest close in our data
- $124.4M
- Nov 2017
Data I/O is worth $25.6M at the close on Oct 23, 2026, at $2.46 a share.
That is down 10% over the last year and down 45% over five years.
Its highest close in our data was $124.4M in Nov 2017.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $25.6M | $21.4M | $39.7M | −15% |
| 2025 | $30.2M | $18.4M | $31.7M | +19% |
| 2024 | $25.5M | $21.4M | $33.4M | −4% |
| 2023 | $26.5M | $26.5M | $43.8M | −24% |
| 2022 | $35M | $23.4M | $42.9M | −12% |
| 2021 | $39.7M | $38.7M | $60.7M | +15% |
| 2020 | $34.7M | $21.3M | $37.7M | +5% |
| 2019 | $32.9M | $28.6M | $53.4M | −25% |
| 2018 | $44.1M | $36.6M | $98.6M | −56% |
| 2017 | $99.2M | $32.4M | $124.4M | +197% |
| 2016 | $33.4M | $16.8M | $33.6M | +67% |
| 2015 | $20M | $19.5M | $29.5M | −27% |
| 2014 | $27.4M | $17.5M | $28.9M | +41% |
| 2013 | $19.5M | $11M | $25.3M | +58% |
| 2012 | $12.4M | $11.6M | $39.8M | −64% |
| 2011 | $34.7M | $34.5M | $50.9M | n/a |
Against its peers
Companies in Hardware, Equipment & Parts nearest Data I/O's size, closest first, today.
| Company | Market cap |
|---|---|
| DAIOData I/O | $25.6M |
| NSYSNortech Systems | $29.4M |
| OPXSOptex Systems | $66.8M |
| RFILR F Industries | $74.8M |
| ESPEspey MFG & Electronics | $158M |
| INTTIntest | $176.4M |
| Peer median | $74.8M |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Data I/O
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.