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The price of Koss Corporation (KOSS) on October 9, 2026 is 3.84 USD, +4.07% on the day. Over 52 weeks the stock traded between 3.30 USD and 5.70 USD; the price now sits 22% of the way up that range. Over the past year the price changed by -22.58%. Market capitalization is 36.35 million USD, rank 6 among 7 stocks of the same industry with a known capitalization.
Closing prices for 09 October 2026
Next earnings report: 29 October 2026 · Earnings calendar
Koss Corporation trades on Nasdaq under the ticker KOSS. The company belongs to the Consumer cyclical sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks KOSS has traded between 3.30 $ and 5.70 $. As of 09 October 2026 the price stood 22.50 % of the way from the 52-week low to the high.
Over one year KOSS shares fell 22.58 %; over six months they fell 0.52 %. Volatility over 90 days is 40.75 %. Dividends are not included: this is price change only, as of 09 October 2026.
The company reported a loss over the last four quarters, so a price-to-earnings ratio is not calculated. Price to sales is 2.8, above the sector median of 0.8. Price to book is 1.2, below the sector median of 2.0. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 09 October 2026 | 3.79 | 3.89 | 3.65 | 3.84 | 21,500 |
| 08 October 2026 | 3.77 | 3.88 | 3.61 | 3.69 | 35,500 |
| 07 October 2026 | 3.83 | 3.83 | 3.71 | 3.73 | 22,000 |
| 06 October 2026 | 3.88 | 3.93 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
No events for this security recently.
Address:4129 N PORT WASHINGTON AVE, MILWAUKEE, WI, 53212, US
Koss Corporation reported revenue of 13M $ and a net loss of 1M $ over the last four quarters. Net margin is −8.57 %. Revenue changed by +3.28 % year over year. Earnings per share are −0.11 $. Market capitalisation is 36M $.
KOSS has a return on equity of −3.70 %, below the sector median of 6.51 %. Return on assets is −3.05 %, below the sector median of 1.81 %. Operating margin is −17.28 %, below the sector median of 2.98 %.
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| 3.76 |
| 3.84 |
| 27,300 |
| 05 October 2026 | 3.81 | 4.10 | 3.80 | 3.90 | 43,400 |
| 02 October 2026 | 3.95 | 3.95 | 3.78 | 3.86 | 23,500 |
| 01 October 2026 | 4.07 | 4.07 | 3.92 | 3.94 | 24,000 |
| 30 September 2026 | 3.97 | 4.03 | 3.91 | 4.02 | 16,300 |
| 29 September 2026 | 4.05 | 4.12 | 3.86 | 3.98 | 40,100 |
| 28 September 2026 | 4.01 | 4.20 | 3.99 | 4.08 | 99,800 |
| 25 September 2026 | 4.34 | 4.34 | 3.81 | 4.00 | 78,900 |
| 24 September 2026 | 4.01 | 4.44 | 3.94 | 4.20 | 263,400 |
| 23 September 2026 | 3.57 | 4.33 | 3.49 | 3.95 | 470,900 |
| 22 September 2026 | 3.47 | 3.54 | 3.46 | 3.50 | 38,400 |
| 21 September 2026 | 3.59 | 3.62 | 3.42 | 3.47 | 19,200 |
| 18 September 2026 | 3.54 | 3.62 | 3.42 | 3.59 | 29,600 |
| 17 September 2026 | 3.42 | 3.59 | 3.40 | 3.53 | 18,300 |
| 16 September 2026 | 3.43 | 3.48 | 3.35 | 3.36 | 14,000 |
| 15 September 2026 | 3.62 | 3.62 | 3.37 | 3.40 | 5,700 |
| 14 September 2026 | 3.48 | 3.62 | 3.40 | 3.43 | 18,200 |