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Compare · APH vs DAIO

APH vs DAIO

Side-by-side comparison of Amphenol Corporation (APH) and Data I/O Corporation (DAIO): market cap, price performance, sector, and recent activity on the wire.

Summary

  • APH operates in Technology, while DAIO operates in Industrials - the two are in different parts of the market.
  • APH is the larger of the two at $170.77B, about 5049.4x DAIO ($33.8M).
  • Over the past year, APH is up 49.3% and DAIO is up 45.2% - APH leads by 4.2 points.
  • APH has been more active in the news (19 items in the past 4 weeks vs 5 for DAIO).
  • APH has more recent analyst coverage (23 ratings vs 2 for DAIO).
PerformanceAPH+49.35%DAIO+45.20%
2025-06-09+0.00%2026-06-05
MetricAPHDAIO
Company
Amphenol Corporation
Data I/O Corporation
Price
$138.82-5.42%
$4.08+0.49%
Market cap
$170.77B
$33.8M
1M return
+0.27%
+43.92%
1Y return
+49.35%
+45.20%
Industry
Electrical Products
Electrical Products
Exchange
NYSE
NASDAQ
IPO
1981
News (4w)
19
5
Recent ratings
23
2
APH

Amphenol Corporation

Amphenol Corporation, together with its subsidiaries, primarily designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the United States, China, and internationally. It operates in two segments, Interconnect Products and Assemblies, and Cable Products and Solutions. The Interconnect Products and Assemblies segment offers connector and connector systems, including fiber optic, harsh environment, high-speed, and radio frequency interconnect products, as well as antennas; power interconnect products, busbars, and distribution systems; and other connectors. It also provides value-add products, such as backplane interconnect systems, cable assemblies and harnesses, and cable management products; and other products comprising antennas, flexible and rigid printed circuit boards, hinges, molded parts, and production-related products. The Cable Products and Solutions segment offers coaxial, power, and specialty cables; cable assemblies; and components, which include combiner/splitter products, connector and connector systems, and fiber optic components. The company sells its products through its sales force, independent representatives, and a network of electronics distributors to original equipment manufacturers, electronic manufacturing services companies, original design manufacturers, and service providers in the automotive, broadband communication, commercial aerospace, industrial, information technology and data communication, military, mobile device, and mobile network markets. Amphenol Corporation was founded in 1932 and is headquartered in Wallingford, Connecticut.

DAIO

Data I/O Corporation

Data I/O Corporation engages in the design, manufacture, and sale of programming and security deployment systems and services for electronic device manufacturers in the United States, Europe, and internationally. The company's programming system products are used to program integrated circuits (ICs) with the specific data necessary for the ICs. It offers PSV handlers offline automated programming systems; SentriX, a security provisioning system; and RoadRunner and RoadRunner3 series handlers, an in-line automated programming systems. The company also provides LumenX Programmer; non-automated FlashPAK III programming systems; and Unifamily programmers, an offline low volume and engineering non-automated systems. In addition, it provides hardware support, system installation and repair, and device programming services. The company markets and sells its products to original equipment manufacturers in automotive and consumer electronics, Internet of Things and their programming center partners, and electronic manufacturing service contract manufacturers through direct sales, internal telesales, and indirect sales representatives and distributors. Data I/O Corporation was incorporated in 1969 and is headquartered in Redmond, Washington.