Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
10/12/2026 $2.94 $2.97 $2.86 $2.86 31.70K
10/13/2026 $2.86 $2.89 $2.83 $2.84 19.10K
10/14/2026 $2.89 $2.89 $2.70 $2.75 49.70K
10/15/2026 $2.69 $2.79 $2.68 $2.68 21.90K
10/16/2026 $2.69 $2.78 $2.55 $2.58 59.50K
Data I/O Corporation provides advanced programming, security deployment, security provisioning and associated Intellectual Property protection and management solutions. Its solutions are used in electronics manufacturing with flash memory, microcontrollers, and flash memory-based intelligent devices, and secure element devices, authentication devices and secure microcontrollers. It designs, manufactures and sells programming and security deployment systems and services for electronic device manufacturers, specifically targeting high-growth areas, such as high-volume users of flash memory and flash memory-based microcontrollers.
DAIO historical stock prices picture
Data I/O (DAIO) has the following price history information. Looking back at DAIO historical stock prices for the last five trading days, on October 12, 2026, DAIO opened at $2.94, traded as high as $2.97 and as low as $2.86, and closed at $2.86. Trading volume was a total of 31.70K shares. On October 13, 2026, DAIO opened at $2.86, traded as high as $2.89 and as low as $2.83, and closed at $2.84. Trading volume was a total of 19.10K shares. On October 14, 2026, DAIO opened at $2.89, traded as high as $2.89 and as low as $2.70, and closed at $2.75. Trading volume was a total of 49.70K shares. On October 15, 2026, DAIO opened at $2.69, traded as high as $2.79 and as low as $2.68, and closed at $2.68. Trading volume was a total of 21.90K shares. On October 16, 2026, DAIO opened at $2.69, traded as high as $2.78 and as low as $2.55, and closed at $2.58. Trading volume was a total of 59.50K shares.

DAIO Historical Stock Prices By Date:

DAIO historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Data I/O shares, starting with a $10,000 purchase of DAIO, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 10/18/2016
End date: 10/16/2026
Start price/share: $3.59
End price/share: $2.58
Dividends collected/share: $0.00
Total return: -28.13%
Average Annual Total Return: -3.25%
Starting investment: $10,000.00
Ending investment: $7,186.37
Years: 10.00
Date Close
10/12/2026$2.86
10/13/2026$2.84
10/14/2026$2.75
10/15/2026$2.68
10/16/2026$2.58
DAIO is categorized under the Technology sector; below are some other companies in the same sector:

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Also explore: DAIO shares outstanding history

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