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Koss (KOSS) Stock Chart & Stock Price History

Koss logo
$5.48 +0.49 (+9.82%)
Closing price 10/21/2025 03:59 PM Eastern
Extended 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.

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.

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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 Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
10/21/2025$4.99$5.48
+9.82%
$5.50$5.00120,707 shs$51.84 million
10/20/2025$4.91$4.99
+1.63%
$5.06$4.9026,972 shs$47.21 million
10/17/2025$5.18$4.91
-5.21%
$5.27$4.7287,745 shs$46.45 million
10/16/2025$5.40$5.18
-4.07%
$5.51$5.1831,218 shs$48.98 million
10/15/2025$5.11$5.40
+5.68%
$5.70$5.16241,492 shs$51.08 million
10/14/2025$4.94$5.11
+3.44%
$5.15$4.8221,433 shs$48.34 million
10/13/2025$4.86$4.94
+1.65%
$5.10$4.8830,730 shs$46.71 million
10/10/2025$4.89$4.86
-0.61%
$5.03$4.8438,245 shs$45.96 million
10/09/2025$4.96$4.89
-1.41%
$4.99$4.8555,077 shs$46.26 million
10/08/2025$5.03$4.96
-1.39%
$5.09$4.9631,188 shs$46.92 million
10/07/2025$5.13$5.03
-1.95%
$5.18$4.9630,485 shs$47.56 million
10/06/2025$5.19$5.13
-1.16%
$5.22$5.0932,898 shs$48.53 million
10/03/2025$5.18$5.19
+0.19%
$5.32$5.1538,375 shs$49.10 million
10/02/2025$5.22$5.18
-0.77%
$5.26$5.1142,942 shs$49.00 million
10/01/2025$5.08$5.22
+2.76%
$5.25$5.0829,553 shs$49.38 million
09/30/2025$5.20$5.08
-2.31%
$5.25$5.0229,122 shs$48.06 million
09/29/2025$5.26$5.20
-1.14%
$5.30$5.1529,588 shs$49.19 million
09/26/2025$5.26$5.26$5.43$5.1529,202 shs$49.76 million
09/25/2025$5.45$5.26
-3.49%
$5.46$5.2220,724 shs$49.76 million
09/24/2025$5.50$5.45
-0.91%
$5.63$5.3826,557 shs$51.54 million
09/23/2025$5.67$5.50
-3.00%
$5.70$5.5033,135 shs$52.03 million
09/22/2025$5.67$5.67$5.85$5.6131,458 shs$53.64 million

This page (NASDAQ:KOSS) was last updated on 10/22/2025 by MarketBeat.com Staff
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