Koss (KOSS) Stock Chart & Stock Price History $6.07 +0.01 (+0.17%) Closing price 04:00 PM EasternExtended Trading$6.05 -0.02 (-0.33%) As of 06:29 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 decreased 15.93%, with a year-to-date return of -17.75%. In the past month, the stock has increased 10.77%, reflecting recent market activity. As of the latest close, Koss traded at $6.06 with a market cap of $57.33 million and volume of 38,708 shares. Five years ago, the stock traded at $1.95, representing a 211.28% increase over that period. At the time, it had a market cap of $14.14 million and a volume of 4,829 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. 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance0.00%1 Month Performance+10.77%3 Month Performance+0.50%Year-To-Date Performance-17.75%1 Year Performance-15.93%5 Year Performance+211.28% KOSS Stock Chart for Tuesday, September, 9, 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 Capitalization09/08/2025$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 million09/02/2025$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 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. 08/25/2025$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 million08/15/2025$5.47$5.69+4.02%$5.80$5.5266,355 shs$53.37 million08/14/2025$5.48$5.47-0.18%$5.59$5.3335,132 shs$51.31 million08/13/2025$5.36$5.48+2.24%$5.50$5.3039,169 shs$51.38 million08/12/2025$5.33$5.36+0.56%$5.54$5.3123,669 shs$50.28 million08/11/2025$5.48$5.33-2.74%$5.58$5.2236,083 shs$50.00 million08/08/2025$5.56$5.48-1.44%$5.58$5.3528,247 shs$51.40 million Related Companies Funko Stock Chart Escalade Stock Chart Tron Stock Chart Clarus Stock Chart American Outdoor Brands Stock Chart Genasys Stock Chart FST Stock Chart Connexa Sports Technologies Stock Chart Solo Brands Stock Chart K-Tech Solutions 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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