Koss (KOSS) Stock Chart & Stock Price History $5.45 -0.34 (-5.87%) Closing price 03:59 PM EasternExtended Trading$5.57 +0.12 (+2.18%) As of 04:05 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 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 increased 23.86%, with a year-to-date return of -26.15%. In the past month, the stock has increased 10.77%, reflecting recent market activity. As of the latest close, Koss traded at $5.79 with a market cap of $54.29 million and volume of 92,759 shares. Five years ago, the stock traded at $1.27, representing a 328.22% increase over that period. At the time, it had a market cap of $9.26 million and a volume of 39,200 shares. 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. Email Address 5 Day Performance-3.54%1 Month Performance+10.77%3 Month Performance+6.86%Year-To-Date Performance-26.15%1 Year Performance+23.86%5 Year Performance+328.22% KOSS Stock Chart for Wednesday, June, 11, 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 Capitalization06/10/2025$6.04$5.79-4.14%$6.16$5.7592,759 shs$54.29 million06/09/2025$5.65$6.04+6.90%$6.12$5.6961,846 shs$56.63 million06/06/2025$5.72$5.65-1.22%$5.93$5.6528,777 shs$52.97 million06/05/2025$5.95$5.72-3.87%$6.09$5.6559,990 shs$53.63 million06/04/2025$5.81$5.95+2.41%$6.03$5.8154,725 shs$55.79 million06/03/2025$5.74$5.81+1.22%$6.09$5.7443,608 shs$54.48 million06/02/2025$5.93$5.74-3.20%$6.08$5.7045,397 shs$53.82 million05/30/2025$6.08$5.93-2.47%$6.10$5.8050,429 shs$55.60 million05/29/2025$6.20$6.08-1.94%$6.48$6.0091,929 shs$57.01 million05/28/2025$6.32$6.20-1.90%$6.33$6.01110,376 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. 05/27/2025$6.00$6.32+5.33%$6.58$5.90315,659 shs$59.26 million05/26/2025$6.00$6.00$6.10$5.61153,181 shs$56.26 million05/23/2025$5.83$6.00+2.92%$6.10$5.61153,181 shs$56.26 million05/22/2025$5.89$5.83-1.02%$6.10$5.74135,584 shs$55.22 million05/21/2025$6.11$5.89-3.60%$6.45$5.74281,351 shs$55.23 million05/20/2025$5.29$6.11+15.50%$6.73$5.33638,861 shs$57.29 million05/19/2025$5.40$5.29-2.04%$5.67$5.2823,071 shs$49.60 million05/16/2025$5.04$5.40+7.14%$5.50$5.0340,530 shs$50.50 million05/15/2025$5.30$5.04-4.91%$5.32$5.0022,592 shs$47.13 million05/14/2025$5.37$5.30-1.30%$5.39$5.0220,976 shs$49.56 million05/13/2025$5.38$5.37-0.19%$5.68$5.2468,570 shs$50.22 million05/12/2025$4.92$5.38+9.35%$5.44$5.0145,912 shs$50.31 million Related Companies Escalade Stock Chart American Outdoor Brands Stock Chart Clarus Stock Chart Genasys Stock Chart Connexa Sports Technologies Stock Chart Singing Machine Stock Chart FST Stock Chart SRM Entertainment Stock Chart Fitell Stock Chart TruGolf 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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