Koss Corporation (KOSS) NASDAQ
Currency In USD
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KOSS Historical Return
If you invested $1000 in Koss Corporation (KOSS) 10 years ago, it would be worth $1,979.7 as of July 14, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $203.23, while $1000 invested 1 year ago would be worth $763.21. This corresponds to total returns of 97.97%, -79.68%, -23.68%, respectively, with annualized returns of 7.06%, -27.28%, -23.68%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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KOSS Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| July 13, 2026 | 3.93 | 3.9 | 3.9 | 3.97 | 3.9 | 5,122 |
| July 10, 2026 | 3.88 | 3.95 | 3.95 | 3.95 | 3.82 | 18,234 |
| July 09, 2026 | 3.8 | 3.87 | 3.87 | 3.99 | 3.79 | 17,629 |
| July 08, 2026 | 3.89 | 3.82 | 3.82 | 3.95 | 3.79 | 20,273 |
| July 07, 2026 | 4.09 | 3.92 | 3.92 | 4.09 | 3.92 | 23,539 |
| July 06, 2026 | 4.03 | 4.09 | 4.09 | 4.13 | 3.89 | 45,818 |
| July 02, 2026 | 3.95 | 3.97 | 3.97 | 4.02 | 3.86 | 4,596 |
| July 01, 2026 | 4 | 3.9 | 3.9 | 4.08 | 3.9 | 24,978 |
| June 30, 2026 | 3.95 | 4.01 | 4.01 | 4.15 | 3.95 | 12,373 |
| June 29, 2026 | 3.98 | 3.99 | 3.99 | 3.99 | 3.91 | 5,525 |
| June 26, 2026 | 3.97 | 3.99 | 3.99 | 3.99 | 3.9 | 24,589 |
| June 25, 2026 | 3.94 | 3.95 | 3.95 | 4 | 3.81 | 26,889 |
| June 24, 2026 | 3.93 | 4.01 | 4.01 | 4.06 | 3.93 | 16,617 |
| June 23, 2026 | 3.93 | 3.98 | 3.98 | 3.99 | 3.85 | 17,023 |
| June 22, 2026 | 3.96 | 3.93 | 3.93 | 3.99 | 3.87 | 18,874 |
| June 18, 2026 | 4.05 | 4.03 | 4.03 | 4.12 | 3.97 | 45,445 |
| June 17, 2026 | 4 | 3.95 | 3.95 | 4.08 | 3.89 | 23,927 |
| June 16, 2026 | 3.9 | 3.98 | 3.98 | 4.03 | 3.85 | 19,611 |
| June 15, 2026 | 3.96 | 3.8 | 3.8 | 4.1 | 3.8 | 35,198 |
| June 12, 2026 | 3.96 | 3.91 | 3.91 | 4.01 | 3.91 | 14,818 |
| June 11, 2026 | 3.95 | 4.01 | 4.01 | 4.02 | 3.91 | 19,661 |
| June 10, 2026 | 3.98 | 3.91 | 3.91 | 4.04 | 3.91 | 39,394 |
| June 09, 2026 | 4.1 | 3.98 | 3.98 | 4.16 | 3.98 | 24,620 |
| June 08, 2026 | 3.98 | 4.09 | 4.09 | 4.1 | 3.92 | 22,960 |
| June 05, 2026 | 3.98 | 3.98 | 3.98 | 4.08 | 3.92 | 18,853 |
| June 04, 2026 | 3.99 | 4.07 | 4.07 | 4.1 | 3.99 | 15,431 |
| June 03, 2026 | 4.07 | 4.04 | 4.04 | 4.08 | 4 | 15,833 |
| June 02, 2026 | 4.16 | 4.07 | 4.07 | 4.25 | 4.05 | 27,283 |
| June 01, 2026 | 4.08 | 4.23 | 4.23 | 4.24 | 3.98 | 37,994 |
| May 29, 2026 | 4.02 | 4.08 | 4.08 | 4.16 | 4.02 | 14,230 |
| May 28, 2026 | 4.06 | 4.08 | 4.08 | 4.15 | 4.03 | 12,796 |
| May 27, 2026 | 4.14 | 4.02 | 4.02 | 4.2 | 4.02 | 20,017 |
| May 26, 2026 | 3.97 | 4.19 | 4.19 | 4.26 | 3.97 | 48,676 |
| May 22, 2026 | 4.15 | 3.97 | 3.97 | 4.18 | 3.97 | 35,613 |
| May 21, 2026 | 4 | 4.12 | 4.12 | 4.12 | 3.87 | 17,726 |
| May 20, 2026 | 3.92 | 4 | 4 | 4.1 | 3.86 | 18,373 |
| May 19, 2026 | 3.97 | 3.93 | 3.93 | 3.99 | 3.88 | 11,972 |
| May 18, 2026 | 3.96 | 3.96 | 3.96 | 4.03 | 3.86 | 14,216 |
| May 15, 2026 | 3.89 | 3.86 | 3.86 | 4.11 | 3.82 | 26,678 |
| May 14, 2026 | 3.81 | 3.87 | 3.87 | 3.95 | 3.81 | 13,307 |
| May 13, 2026 | 3.85 | 3.8 | 3.8 | 3.93 | 3.79 | 21,772 |
| May 12, 2026 | 3.85 | 3.94 | 3.94 | 3.94 | 3.75 | 35,032 |
| May 11, 2026 | 4.13 | 3.9 | 3.9 | 4.13 | 3.75 | 79,570 |
| May 08, 2026 | 4.22 | 4.16 | 4.16 | 4.32 | 4.13 | 21,049 |
| May 07, 2026 | 4.39 | 4.18 | 4.18 | 4.39 | 4.18 | 12,192 |
| May 06, 2026 | 4.36 | 4.3 | 4.3 | 4.45 | 4.3 | 13,975 |
| May 05, 2026 | 4.28 | 4.41 | 4.41 | 4.41 | 4.2 | 29,619 |
| May 04, 2026 | 4.42 | 4.22 | 4.22 | 4.57 | 4.2 | 32,671 |
| May 01, 2026 | 4.22 | 4.36 | 4.36 | 4.47 | 4.15 | 15,929 |
| April 30, 2026 | 4.19 | 4.33 | 4.33 | 4.33 | 4.11 | 10,343 |
| April 29, 2026 | 4.3 | 4.18 | 4.18 | 4.3 | 4.06 | 22,591 |
| April 28, 2026 | 4.12 | 4.3 | 4.3 | 4.37 | 4.12 | 7,607 |
| April 27, 2026 | 4.41 | 4.35 | 4.35 | 4.44 | 4.13 | 12,244 |
| April 24, 2026 | 4.54 | 4.42 | 4.42 | 4.56 | 4.26 | 28,311 |
| April 23, 2026 | 4.42 | 4.48 | 4.48 | 4.83 | 4.41 | 74,592 |
| April 22, 2026 | 4.18 | 4.33 | 4.33 | 4.45 | 4.15 | 51,351 |
| April 21, 2026 | 4.13 | 4.23 | 4.23 | 4.26 | 4.04 | 98,128 |
| April 20, 2026 | 4.13 | 4.13 | 4.13 | 4.18 | 3.99 | 31,922 |
| April 17, 2026 | 4.15 | 4.17 | 4.17 | 4.19 | 4.02 | 36,762 |
| April 16, 2026 | 4.19 | 4.1 | 4.1 | 4.26 | 4.07 | 53,185 |
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