Koss (KOSS) Stock Chart & Stock Price History $5.03 -0.10 (-1.95%) Closing price 04:00 PM EasternExtended Trading$5.19 +0.16 (+3.26%) As of 04:20 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 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 27.83%, with a year-to-date return of -31.84%. In the past month, the stock has decreased 18.21%, reflecting recent market activity. As of the latest close, Koss traded at $5.13 with a market cap of $48.53 million and volume of 32,898 shares. Five years ago, the stock traded at $2.20, representing a 128.64% increase over that period. At the time, it had a market cap of $16.28 million and a volume of 6,884 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 Performance-2.90%1 Month Performance-18.21%3 Month Performance-4.73%Year-To-Date Performance-31.84%1 Year Performance-27.83%5 Year Performance+128.64% KOSS Stock Chart for Tuesday, October, 7, 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 Capitalization10/06/2025$5.19$5.13-1.16%$5.22$5.0932,898 shs$48.53 million10/03/2025$5.18$5.19+0.19%$5.32$5.1538,375 shs$49.10 million10/02/2025$5.22$5.18-0.77%$5.26$5.1142,942 shs$49.00 million10/01/2025$5.08$5.22+2.76%$5.25$5.0829,553 shs$49.38 million09/30/2025$5.20$5.08-2.31%$5.25$5.0229,122 shs$48.06 million09/29/2025$5.26$5.20-1.14%$5.30$5.1529,588 shs$49.19 million09/26/2025$5.26$5.26$5.43$5.1529,202 shs$49.76 million09/25/2025$5.45$5.26-3.49%$5.46$5.2220,724 shs$49.76 million09/24/2025$5.50$5.45-0.91%$5.63$5.3826,557 shs$51.54 million09/23/2025$5.67$5.50-3.00%$5.70$5.5033,135 shs$52.03 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. 09/22/2025$5.67$5.67$5.85$5.6131,458 shs$53.64 million09/19/2025$5.77$5.67-1.73%$5.76$5.6030,820 shs$53.64 million09/18/2025$5.68$5.77+1.58%$5.79$5.7022,414 shs$54.56 million09/17/2025$5.70$5.68-0.35%$5.88$5.5931,138 shs$53.73 million09/16/2025$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 million Related Companies Escalade Stock Chart Clarus Stock Chart Genasys Stock Chart American Outdoor Brands Stock Chart Tron Stock Chart FST Stock Chart Solo Brands Stock Chart Connexa Sports Technologies Stock Chart K-Tech Solutions Stock Chart Singing Machine 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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