Koss (KOSS) Stock Chart & Stock Price History $5.72 +0.03 (+0.44%) As of 12:27 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Koss Stock Price Performance The Koss (KOSS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 15.93%, with a year-to-date return of -22.43%. In the past month, the stock has increased 0.62%, reflecting recent market activity. As of the latest close, Koss traded at $5.70 with a market cap of $53.92 million and volume of 31,935 shares. Five years ago, the stock traded at $2.15, representing a 166.28% increase over that period. At the time, it had a market cap of $15.92 million and a volume of 2,768 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.62%1 Month Performance+0.62%3 Month Performance+19.27%Year-To-Date Performance-22.43%1 Year Performance-15.93%5 Year Performance+166.28% KOSS Stock Chart for Wednesday, September, 17, 2025 KOSS Chart by TradingView Koss 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 Capitalization09/16/2025$5.80$5.70-1.72%$5.80$5.6031,935 shs$53.92 million09/15/2025$5.69$5.80+1.93%$5.91$5.6974,679 shs$54.85 million09/12/2025$5.72$5.69-0.52%$5.76$5.6030,561 shs$53.81 million09/11/2025$5.78$5.72-1.04%$5.87$5.7051,304 shs$54.11 million09/10/2025$6.07$5.78-4.78%$6.12$5.7281,758 shs$54.68 million09/09/2025$6.06$6.07+0.17%$6.13$5.9751,188 shs$57.40 million09/08/2025$6.15$6.06-1.46%$6.29$6.0238,708 shs$57.33 million09/05/2025$6.07$6.15+1.32%$6.24$5.9523,506 shs$58.18 million09/04/2025$6.20$6.07-2.10%$6.18$6.0224,670 shs$56.94 million09/03/2025$6.22$6.20-0.32%$6.33$6.1340,279 shs$58.13 million Get the Latest News and Ratings for KOSS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Koss and its competitors with MarketBeat's FREE daily newsletter. 09/02/2025$6.20$6.22+0.32%$6.31$6.0338,700 shs$58.34 million09/01/2025$6.20$6.20$6.39$6.1032,848 shs$58.16 million08/29/2025$6.21$6.20-0.16%$6.39$6.1032,848 shs$58.16 million08/28/2025$6.41$6.21-3.12%$6.39$6.1459,501 shs$58.23 million08/27/2025$6.51$6.41-1.54%$6.68$6.3446,970 shs$60.13 million08/26/2025$6.36$6.51+2.36%$6.85$6.06153,253 shs$61.06 million08/25/2025$6.48$6.36-1.85%$6.55$6.3084,664 shs$59.63 million08/22/2025$6.16$6.48+5.19%$6.60$6.2259,598 shs$60.76 million08/21/2025$6.10$6.16+0.98%$6.29$6.0033,534 shs$57.78 million08/20/2025$6.48$6.10-5.86%$6.56$6.0083,665 shs$57.22 million08/19/2025$6.14$6.48+5.54%$6.93$6.20377,544 shs$60.76 million08/18/2025$5.69$6.14+7.91%$6.20$5.70147,564 shs$57.59 million Related Companies Funko Stock Chart Escalade Stock Chart Clarus Stock Chart American Outdoor Brands Stock Chart Tron Stock Chart Genasys Stock Chart FST Stock Chart K-Tech Solutions Stock Chart Solo Brands Stock Chart Connexa Sports Technologies Stock Chart Receive KOSS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Koss and its competitors with MarketBeat's FREE daily newsletter. 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