BIO-key International (BKYI) Stock Chart & Stock Price History $0.77 +0.01 (+1.58%) Closing price 10/24/2025 03:59 PM EasternExtended Trading$0.79 +0.02 (+2.58%) As of 10/24/2025 07:57 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 TradesSEC FilingsShort InterestTrendsBuy This Stock BIO-key International Stock Price Performance The BIO-key International (BKYI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 10.87%, with a year-to-date return of -54.96%. In the past month, the stock has increased 1.45%, reflecting recent market activity. As of the latest close, BIO-key International traded at $0.77 with a market cap of $5.28 million and volume of 74,785 shares. Five years ago, the stock traded at a split-adjusted price of $8.15, representing a 90.56% decrease over that period. At the time, it had a market cap of $28.26 million and a volume of 74,655 shares. Receive BKYI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for BIO-key International and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance+4.36%1 Month Performance+1.45%3 Month Performance-7.55%Year-To-Date Performance-54.96%1 Year Performance+10.87%5 Year Performance-90.56% BKYI Stock Chart for Saturday, October, 25, 2025 BKYI Chart by TradingView BIO-key International 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 Capitalization10/24/2025$0.76$0.77+1.58%$0.80$0.7574,785 shs$5.28 million10/23/2025$0.75$0.76+0.91%$0.77$0.7530,065 shs$5.20 million10/22/2025$0.80$0.75-5.50%$0.82$0.73132,562 shs$5.16 million10/21/2025$0.74$0.80+7.74%$0.82$0.75490,636 shs$5.45 million10/20/2025$0.73$0.74+1.05%$0.75$0.7246,141 shs$5.06 million10/17/2025$0.73$0.73-0.44%$0.75$0.7173,705 shs$5.01 million10/16/2025$0.75$0.73-2.10%$0.76$0.7349,271 shs$5.03 million10/15/2025$0.75$0.75+0.12%$0.76$0.7494,300 shs$5.14 million10/14/2025$0.72$0.75+3.53%$0.75$0.7251,151 shs$5.13 million10/13/2025$0.71$0.72+1.76%$0.75$0.7087,592 shs$4.96 million Get the Latest News and Ratings for BKYI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for BIO-key International and its competitors with MarketBeat's FREE daily newsletter. 10/10/2025$0.76$0.71-6.26%$0.76$0.70105,937 shs$4.88 million10/09/2025$0.75$0.76+1.54%$0.76$0.73110,696 shs$5.20 million10/08/2025$0.76$0.75-1.49%$0.76$0.7292,238 shs$5.12 million10/07/2025$0.78$0.76-2.27%$0.78$0.7575,611 shs$5.20 million10/06/2025$0.79$0.78-2.12%$0.81$0.76122,441 shs$5.32 million10/03/2025$0.80$0.79-0.42%$0.80$0.7695,732 shs$5.43 million10/02/2025$0.78$0.80+2.28%$0.80$0.76160,783 shs$5.45 million10/01/2025$0.72$0.78+8.00%$0.78$0.72247,419 shs$5.34 million09/30/2025$0.75$0.72-3.90%$0.75$0.71149,561 shs$4.94 million09/29/2025$0.75$0.75-0.62%$0.77$0.7464,821 shs$5.14 million09/26/2025$0.76$0.75-0.71%$0.77$0.75120,245 shs$5.17 million09/25/2025$0.78$0.76-2.68%$0.78$0.7680,379 shs$5.21 million09/24/2025$0.77$0.78+0.87%$0.80$0.7662,802 shs$5.35 million Related Companies MMTec Stock Chart Amber International Stock Chart MIND C.T.I. Stock Chart Real Messenger Stock Chart Brand Engagement Network Stock Chart Lottery.com Stock Chart NetClass Technology Stock Chart CXApp Stock Chart GigaMedia Stock Chart Abits Group Stock Chart Receive BKYI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for BIO-key International and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:BKYI) was last updated on 10/25/2025 by MarketBeat.com Staff From Our PartnersIf You Keep Cash In A U.S. Bank Account… Read This NOWThe Treasury Department just issued a stunning warning: U.S. banks could lose up to $6.6 trillion of custom...Banyan Hill Publishing | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredMove $1,000 into this stock before Nov 6The End of Tesla? "Hold onto your Tesla stock." 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