Koss (KOSS) Stock Chart & Stock Price History $6.48 +0.34 (+5.54%) Closing price 08/19/2025 04:00 PM EasternExtended Trading$6.46 -0.02 (-0.31%) As of 09:01 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 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 30.92%, with a year-to-date return of -12.20%. In the past month, the stock has increased 21.12%, reflecting recent market activity. As of the latest close, Koss traded at $6.48 with a market cap of $60.76 million and volume of 377,544 shares. Five years ago, the stock traded at $2.66, representing a 143.61% increase over that period. At the time, it had a market cap of $17.40 million and a volume of 106,290 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+13.88%1 Month Performance+21.12%3 Month Performance+6.06%Year-To-Date Performance-12.20%1 Year Performance-30.92%5 Year Performance+143.61% KOSS Stock Chart for Wednesday, August, 20, 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 Capitalization08/19/2025$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 million08/07/2025$5.73$5.56-2.97%$5.76$5.4336,562 shs$52.15 million08/06/2025$5.72$5.73+0.17%$5.93$5.6526,295 shs$53.63 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. 08/05/2025$5.42$5.72+5.54%$5.78$5.4167,761 shs$53.65 million08/04/2025$5.39$5.42+0.56%$5.55$5.3028,432 shs$50.84 million08/01/2025$5.28$5.39+2.08%$5.39$5.1148,602 shs$50.56 million07/31/2025$5.35$5.28-1.31%$5.42$5.2738,639 shs$49.51 million07/30/2025$5.58$5.35-4.12%$5.65$5.3594,162 shs$50.18 million07/29/2025$5.57$5.58+0.18%$5.77$5.3093,619 shs$52.34 million07/28/2025$5.52$5.57+0.91%$5.66$5.3170,283 shs$52.22 million07/25/2025$5.68$5.52-2.82%$5.87$5.52101,260 shs$51.76 million07/24/2025$6.27$5.68-9.41%$6.17$5.68227,698 shs$53.28 million07/23/2025$5.71$6.27+9.81%$8.59$6.126.50 million shs$58.81 million07/22/2025$5.38$5.71+6.13%$5.75$5.3971,443 shs$53.54 million07/21/2025$5.35$5.38+0.56%$5.68$5.29115,491 shs$50.46 million Related Companies Escalade Stock Chart Funko Stock Chart Clarus Stock Chart Tron Stock Chart American Outdoor Brands Stock Chart Genasys Stock Chart Connexa Sports Technologies Stock Chart FST Stock Chart Solo Brands Stock Chart Fitell 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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