Data I/O (DAIO) Stock Chart & Stock Price History $3.26 -0.07 (-1.96%) Closing price 08/19/2025 03:50 PM EasternExtended Trading$3.27 +0.02 (+0.46%) As of 08/19/2025 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 36.19%, with a year-to-date return of 17.51%. In the past month, the stock has increased 1.40%, reflecting recent market activity. As of the latest close, Data I/O traded at $3.26 with a market cap of $30.56 million and volume of 10,611 shares. Five years ago, the stock traded at $3.77, representing a 13.66% decrease over that period. At the time, it had a market cap of $30.96 million and a volume of 8,700 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-1.66%1 Month Performance+1.40%3 Month Performance+31.78%Year-To-Date Performance+17.51%1 Year Performance+36.19%5 Year Performance-13.66% DAIO Stock Chart for Wednesday, August, 20, 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 Capitalization08/19/2025$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 million08/08/2025$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 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. 08/05/2025$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 million07/23/2025$3.18$3.24+1.89%$3.24$3.1511,707 shs$29.94 million07/22/2025$3.18$3.18$3.21$3.1425,140 shs$29.38 million07/21/2025$3.21$3.18-0.93%$3.23$3.1833,893 shs$29.38 million Related Companies Prenetics Global Stock Chart Optex Systems Stock Chart Nautilus Biotechnology Stock Chart inTEST Stock Chart Odysight.ai Stock Chart Syntec Optics Stock Chart Autoscope Technologies Stock Chart ClearSign Technologies Stock Chart MultiSensor AI Stock Chart ScanTech AI Systems 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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