Koss (KOSS) Stock Chart & Stock Price History $5.48 +0.49 (+9.82%) Closing price 10/21/2025 03:59 PM EasternExtended Trading$5.29 -0.19 (-3.47%) As of 05:40 AM 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 27.99%, with a year-to-date return of -25.75%. In the past month, the stock has decreased 3.35%, reflecting recent market activity. As of the latest close, Koss traded at $5.48 with a market cap of $51.84 million and volume of 120,707 shares. Five years ago, the stock traded at $2.15, representing a 154.88% increase over that period. At the time, it had a market cap of $15.91 million and a volume of 827 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+11.61%1 Month Performance-3.35%3 Month Performance-4.03%Year-To-Date Performance-25.75%1 Year Performance-27.99%5 Year Performance+154.88% KOSS Stock Chart for Wednesday, October, 22, 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 Capitalization10/21/2025$4.99$5.48+9.82%$5.50$5.00120,707 shs$51.84 million10/20/2025$4.91$4.99+1.63%$5.06$4.9026,972 shs$47.21 million10/17/2025$5.18$4.91-5.21%$5.27$4.7287,745 shs$46.45 million10/16/2025$5.40$5.18-4.07%$5.51$5.1831,218 shs$48.98 million10/15/2025$5.11$5.40+5.68%$5.70$5.16241,492 shs$51.08 million10/14/2025$4.94$5.11+3.44%$5.15$4.8221,433 shs$48.34 million10/13/2025$4.86$4.94+1.65%$5.10$4.8830,730 shs$46.71 million10/10/2025$4.89$4.86-0.61%$5.03$4.8438,245 shs$45.96 million10/09/2025$4.96$4.89-1.41%$4.99$4.8555,077 shs$46.26 million10/08/2025$5.03$4.96-1.39%$5.09$4.9631,188 shs$46.92 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. 10/07/2025$5.13$5.03-1.95%$5.18$4.9630,485 shs$47.56 million10/06/2025$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 million09/22/2025$5.67$5.67$5.85$5.6131,458 shs$53.64 million Related Companies Funko Stock Chart Escalade Stock Chart Clarus Stock Chart Tron Stock Chart American Outdoor Brands Stock Chart Genasys Stock Chart FST Stock Chart Solo Brands 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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