Data I/O (DAIO) Stock Chart & Stock Price History $3.05 +0.15 (+5.17%) Closing price 04:00 PM EasternExtended Trading$3.04 0.00 (-0.16%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Data I/O Stock Price Performance The Data I/O (DAIO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 15.53%, with a year-to-date return of 10.11%. In the past month, the stock has decreased 8.41%, reflecting recent market activity. As of the latest close, Data I/O traded at $2.90 with a market cap of $27.23 million and volume of 248,132 shares. Five years ago, the stock traded at $3.36, representing a 9.23% decrease over that period. At the time, it had a market cap of $30.63 million and a volume of 36,632 shares. Receive DAIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Data I/O and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-6.73%1 Month Performance-8.41%3 Month Performance+18.22%Year-To-Date Performance+10.11%1 Year Performance+15.53%5 Year Performance-9.23% DAIO Stock Chart for Monday, August, 25, 2025 DAIO Chart by TradingView Data I/O Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/22/2025$3.31$2.90-12.39%$3.04$2.63248,132 shs$27.23 million08/21/2025$3.27$3.31+1.22%$3.37$3.2116,544 shs$31.07 million08/20/2025$3.26$3.27+0.46%$3.28$3.1823,935 shs$30.71 million08/19/2025$3.32$3.26-1.96%$3.37$3.2310,611 shs$30.56 million08/18/2025$3.31$3.32+0.30%$3.34$3.2027,881 shs$31.18 million08/15/2025$3.32$3.31-0.30%$3.37$3.1810,174 shs$31.08 million08/14/2025$3.28$3.32+1.22%$3.37$3.2820,127 shs$30.68 million08/13/2025$3.30$3.28-0.61%$3.34$3.2626,365 shs$30.31 million08/12/2025$3.23$3.30+2.17%$3.32$3.2338,171 shs$30.49 million08/11/2025$3.23$3.23$3.31$3.237,579 shs$29.85 million Get the Latest News and Ratings for DAIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Data I/O and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$3.30$3.23-2.12%$3.33$3.2029,966 shs$29.85 million08/07/2025$3.30$3.30$3.34$3.2643,369 shs$30.49 million08/06/2025$3.26$3.30+1.23%$3.33$3.2420,550 shs$30.49 million08/05/2025$3.20$3.26+1.91%$3.35$3.2253,337 shs$30.12 million08/04/2025$3.16$3.20+1.23%$3.36$3.1025,127 shs$29.56 million08/01/2025$3.24$3.16-2.47%$3.21$3.0398,939 shs$29.20 million07/31/2025$3.36$3.24-3.57%$3.36$3.1434,293 shs$29.94 million07/30/2025$3.43$3.36-2.04%$3.40$3.3147,739 shs$31.05 million07/29/2025$3.33$3.43+3.00%$3.44$3.3096,898 shs$31.69 million07/28/2025$3.33$3.33$3.36$3.2195,679 shs$30.77 million07/25/2025$3.43$3.33-2.92%$3.34$3.10146,851 shs$30.77 million07/24/2025$3.24$3.43+5.86%$3.48$3.20136,583 shs$31.69 million Related Companies Seer Stock Chart Rapid Micro Biosystems Stock Chart Prenetics Global Stock Chart Nautilus Biotechnology Stock Chart inTEST Stock Chart Optex Systems Stock Chart Odysight.ai Stock Chart Syntec Optics Stock Chart Autoscope Technologies Stock Chart ClearSign Technologies Stock Chart Receive DAIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Data I/O and its competitors with MarketBeat's FREE daily newsletter. 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