5 DAY PERFORMANCE
+20.83%
1 MONTH PERFORMANCE
+13.73%
3 MONTH PERFORMANCE
+0.74%
6 MONTH PERFORMANCE
+12.15%
YEAR-TO-DATE PERFORMANCE
-1.93%
1 YEAR PERFORMANCE
-28.40%
Koss Corp. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 09/21/2026 | $3.59 | $3.47 (-3.34%) | $3.62 | $3.42 | 19.21 K | $32.84 M |
| 09/18/2026 | $3.54 | $3.59 (1.41%) | $3.62 | $3.42 | 29.65 K | $33.97 M |
| 09/17/2026 | $3.42 | $3.53 (3.22%) | $3.59 | $3.40 | 18.45 K | $33.40 M |
| 09/16/2026 | $3.43 | $3.36 (-2.04%) | $3.48 | $3.35 | 14.03 K | $31.80 M |
| 09/15/2026 | $3.62 | $3.40 (-6.08%) | $3.62 | $3.37 | 5.70 K | $32.17 M |
| 09/14/2026 | $3.48 | $3.43 (-1.44%) | $3.62 | $3.40 | 18.20 K | $32.46 M |
| 09/11/2026 | $3.39 | $3.41 (0.59%) | $3.63 | $3.39 | 26.38 K | $32.27 M |
| 09/10/2026 | $3.47 | $3.40 (-2.02%) | $3.48 | $3.30 | 9.51 K | $32.17 M |
| 09/09/2026 | $3.50 | $3.46 (-1.14%) | $3.50 | $3.43 | 7.40 K | $32.74 M |
| 09/08/2026 | $3.60 | $3.55 (-1.39%) | $3.60 | $3.48 | 9.00 K | $33.59 M |
| 09/04/2026 | $3.45 | $3.58 (3.77%) | $3.65 | $3.45 | 17.00 K | $33.88 M |
| 09/03/2026 | $3.57 | $3.54 (-0.84%) | $3.57 | $3.41 | 14.90 K | $33.50 M |
| 09/02/2026 | $3.45 | $3.50 (1.45%) | $3.53 | $3.41 | 25.40 K | $33.12 M |
| 09/01/2026 | $3.43 | $3.44 (0.29%) | $3.55 | $3.37 | 20.34 K | $32.55 M |
| 08/31/2026 | $3.51 | $3.46 (-1.42%) | $3.60 | $3.40 | 12.70 K | $32.74 M |
| 08/28/2026 | $3.45 | $3.50 (1.45%) | $3.65 | $3.38 | 21.28 K | $33.12 M |
| 08/27/2026 | $3.40 | $3.42 (0.59%) | $3.51 | $3.37 | 32.38 K | $32.36 M |
| 08/26/2026 | $3.47 | $3.44 (-0.86%) | $3.55 | $3.40 | 17.39 K | $32.55 M |
| 08/25/2026 | $3.50 | $3.45 (-1.43%) | $3.52 | $3.40 | 17.23 K | $32.65 M |
| 08/24/2026 | $3.55 | $3.50 (-1.41%) | $3.59 | $3.50 | 14.97 K | $33.12 M |
| 08/21/2026 | $3.50 | $3.57 (2%) | $3.61 | $3.50 | 16.45 K | $33.80 M |
| 08/20/2026 | $3.55 | $3.44 (-3.1%) | $3.66 | $3.44 | 17.80 K | $32.56 M |
| 08/19/2026 | $3.63 | $3.56 (-1.93%) | $3.63 | $3.56 | 10.24 K | $33.70 M |
| 08/18/2026 | $3.71 | $3.58 (-3.5%) | $3.71 | $3.52 | 22.20 K | $33.89 M |
| 08/17/2026 | $3.68 | $3.70 (0.54%) | $3.78 | $3.68 | 8.60 K | $35.03 M |
| 08/14/2026 | $3.73 | $3.75 (0.54%) | $3.75 | $3.70 | 19.24 K | $35.50 M |
| 08/13/2026 | $3.73 | $3.67 (-1.61%) | $3.73 | $3.65 | 13.34 K | $34.74 M |
| 08/12/2026 | $3.71 | $3.65 (-1.62%) | $3.76 | $3.65 | 5.73 K | $34.55 M |
| 08/11/2026 | $3.75 | $3.74 (-0.27%) | $3.78 | $3.70 | 11.13 K | $35.40 M |
| 08/10/2026 | $3.73 | $3.78 (1.34%) | $3.83 | $3.73 | 6.80 K | $35.78 M |
| 08/07/2026 | $3.64 | $3.72 (2.2%) | $3.78 | $3.64 | 7.57 K | $35.22 M |
| 08/06/2026 | $3.68 | $3.73 (1.36%) | $3.77 | $3.68 | 7.30 K | $35.31 M |
| 08/05/2026 | $3.75 | $3.73 (-0.53%) | $3.78 | $3.69 | 15.84 K | $35.31 M |
| 08/04/2026 | $3.73 | $3.70 (-0.8%) | $3.75 | $3.70 | 16.92 K | $35.03 M |
| 08/03/2026 | $3.79 | $3.73 (-1.58%) | $3.79 | $3.68 | 47.33 K | $35.31 M |
| 07/31/2026 | $3.71 | $3.68 (-0.81%) | $3.81 | $3.68 | 12.60 K | $34.84 M |
| 07/30/2026 | $3.68 | $3.68 (0%) | $3.79 | $3.66 | 12.20 K | $34.84 M |
| 07/29/2026 | $3.68 | $3.63 (-1.36%) | $3.74 | $3.63 | 20.10 K | $34.36 M |
| 07/28/2026 | $3.69 | $3.72 (0.81%) | $3.80 | $3.66 | 15.51 K | $35.22 M |
| 07/27/2026 | $3.76 | $3.66 (-2.66%) | $3.77 | $3.66 | 14.09 K | $34.65 M |
| 07/24/2026 | $3.84 | $3.75 (-2.34%) | $3.84 | $3.65 | 18.74 K | $35.50 M |
| 07/23/2026 | $3.80 | $3.76 (-1.05%) | $3.86 | $3.71 | 12.99 K | $35.59 M |
| 07/22/2026 | $3.84 | $3.86 (0.52%) | $3.86 | $3.73 | 14.36 K | $36.54 M |
| 07/21/2026 | $3.80 | $3.80 (0%) | $3.83 | $3.73 | 18.91 K | $35.97 M |
| 07/20/2026 | $3.78 | $3.76 (-0.53%) | $3.86 | $3.74 | 13.04 K | $35.59 M |
| 07/17/2026 | $3.82 | $3.80 (-0.52%) | $3.90 | $3.78 | 23.53 K | $35.97 M |
| 07/16/2026 | $3.93 | $3.86 (-1.78%) | $4.03 | $3.80 | 19.63 K | $36.54 M |
| 07/15/2026 | $3.82 | $3.97 (3.93%) | $3.97 | $3.82 | 12.61 K | $37.58 M |
| 07/14/2026 | $3.90 | $3.79 (-2.82%) | $3.95 | $3.74 | 46.90 K | $35.88 M |
| 07/13/2026 | $3.93 | $3.90 (-0.76%) | $3.97 | $3.90 | 5.52 K | $36.92 M |
| 07/10/2026 | $3.88 | $3.95 (1.8%) | $3.95 | $3.82 | 18.23 K | $37.39 M |
| 07/09/2026 | $3.80 | $3.87 (1.84%) | $3.99 | $3.79 | 17.64 K | $36.64 M |
| 07/08/2026 | $3.89 | $3.82 (-1.8%) | $3.95 | $3.79 | 20.65 K | $36.16 M |
| 07/07/2026 | $4.09 | $3.92 (-4.16%) | $4.09 | $3.92 | 23.80 K | $37.11 M |
| 07/06/2026 | $4.03 | $4.09 (1.49%) | $4.13 | $3.89 | 46.55 K | $38.72 M |
| 07/02/2026 | $3.95 | $3.97 (0.51%) | $4.02 | $3.86 | 4.91 K | $37.58 M |
| 07/01/2026 | $4.00 | $3.90 (-2.5%) | $4.08 | $3.90 | 25.00 K | $36.92 M |
| 06/30/2026 | $3.95 | $4.01 (1.52%) | $4.15 | $3.95 | 12.40 K | $37.96 M |
| 06/29/2026 | $3.98 | $3.99 (0.25%) | $3.99 | $3.91 | 6.03 K | $37.77 M |
| 06/26/2026 | $3.97 | $3.99 (0.5%) | $3.99 | $3.90 | 24.60 K | $37.77 M |
| 06/25/2026 | $3.94 | $3.95 (0.25%) | $4.00 | $3.81 | 26.90 K | $37.39 M |
| 06/24/2026 | $3.93 | $4.01 (2.04%) | $4.06 | $3.93 | 16.77 K | $37.96 M |
| 06/23/2026 | $3.93 | $3.98 (1.27%) | $3.99 | $3.85 | 17.28 K | $37.68 M |
| 06/22/2026 | $3.96 | $3.93 (-0.76%) | $3.99 | $3.87 | 18.90 K | $37.20 M |
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