Koss Corporation KOSS
NASDAQ · United States · Consumer Durables
$3.99-0.03 (-0.75%)
Market open· · USD · Data may be delayed
Prices may be delayed and are for informational purposes only - not investment advice.
Market open· · USD · Data may be delayed
Prices may be delayed and are for informational purposes only - not investment advice.
| Date | Close | Change | Open | High | Low | Volume |
|---|---|---|---|---|---|---|
| 2026-10-01 | $4.00 | -0.50% | $4.07 | $4.07 | $4.00 | 904 |
| 2026-09-30 | $4.02 | +1.01% | $3.97 | $4.03 | $3.91 | 16.30K |
| 2026-09-29 | $3.98 | -2.45% | $4.05 | $4.12 | $3.86 | 40.10K |
| 2026-09-28 | $4.08 | +2.00% | $4.01 | $4.20 | $3.99 | 99.80K |
| 2026-09-25 | $4.00 | -4.76% | $4.34 | $4.34 | $3.81 | 78.90K |
| 2026-09-24 | $4.20 | +6.33% | $4.01 | $4.44 | $3.94 | 263.40K |
| 2026-09-23 | $3.95 | +12.86% | $3.57 | $4.33 | $3.49 | 470.90K |
| 2026-09-22 | $3.50 | +0.86% | $3.47 | $3.54 | $3.46 | 38.40K |
| 2026-09-21 | $3.47 | -3.34% | $3.59 | $3.62 | $3.42 | 19.20K |
| 2026-09-18 | $3.59 | +1.70% | $3.54 | $3.62 | $3.42 | 29.60K |
| 2026-09-17 | $3.53 | +5.06% | $3.42 | $3.59 | $3.40 | 18.30K |
| 2026-09-16 | $3.36 | -1.18% | $3.43 | $3.48 | $3.35 | 14.00K |
| 2026-09-15 | $3.40 | -0.87% | $3.62 | $3.62 | $3.37 | 5.70K |
| 2026-09-14 | $3.43 | +0.59% | $3.48 | $3.62 | $3.40 | 18.20K |
| 2026-09-11 | $3.41 | +0.29% | $3.39 | $3.63 | $3.39 | 26.20K |
| 2026-09-10 | $3.40 | -1.73% | $3.47 | $3.48 | $3.30 | 9.40K |
| 2026-09-09 | $3.46 | -2.54% | $3.50 | $3.50 | $3.43 | 7.40K |
| 2026-09-08 | $3.55 | -0.84% | $3.60 | $3.60 | $3.48 | 9.00K |
| 2026-09-04 | $3.58 | +1.13% | $3.45 | $3.65 | $3.45 | 17.00K |
| 2026-09-03 | $3.54 | +1.14% | $3.57 | $3.57 | $3.41 | 14.90K |
| 2026-09-02 | $3.50 | +1.74% | $3.45 | $3.53 | $3.41 | 25.40K |
| 2026-09-01 | $3.44 | -0.58% | $3.43 | $3.55 | $3.37 | 20.30K |
| 2026-08-31 | $3.46 | -1.14% | $3.51 | $3.60 | $3.40 | 12.50K |
| 2026-08-28 | $3.50 | +2.34% | $3.45 | $3.65 | $3.38 | 21.20K |
| 2026-08-27 | $3.42 | -0.58% | $3.40 | $3.51 | $3.37 | 31.20K |
| 2026-08-26 | $3.44 | -0.29% | $3.47 | $3.55 | $3.40 | 16.30K |
| 2026-08-25 | $3.45 | -1.43% | $3.50 | $3.52 | $3.40 | 17.20K |
| 2026-08-24 | $3.50 | -1.96% | $3.55 | $3.59 | $3.50 | 14.90K |
| 2026-08-21 | $3.57 | +3.78% | $3.50 | $3.61 | $3.50 | 16.10K |
| 2026-08-20 | $3.44 | -3.37% | $3.55 | $3.66 | $3.44 | 17.80K |
| 2026-08-19 | $3.56 | -0.56% | $3.63 | $3.63 | $3.56 | 9.80K |
| 2026-08-18 | $3.58 | -3.24% | $3.71 | $3.71 | $3.52 | 22.10K |
| 2026-08-17 | $3.70 | -1.33% | $3.68 | $3.78 | $3.68 | 8.60K |
| 2026-08-14 | $3.75 | +2.18% | $3.73 | $3.75 | $3.70 | 19.20K |
| 2026-08-13 | $3.67 | +0.55% | $3.73 | $3.73 | $3.65 | 13.30K |
| 2026-08-12 | $3.65 | -2.41% | $3.71 | $3.76 | $3.65 | 5.70K |
| 2026-08-11 | $3.74 | -1.06% | $3.75 | $3.78 | $3.70 | 11.10K |
| 2026-08-10 | $3.78 | +1.61% | $3.73 | $3.83 | $3.73 | 6.80K |
| 2026-08-07 | $3.72 | -0.27% | $3.64 | $3.78 | $3.64 | 7.50K |
| 2026-08-06 | $3.73 | 0.00% | $3.68 | $3.77 | $3.68 | 7.30K |
| 2026-08-05 | $3.73 | +0.81% | $3.75 | $3.78 | $3.69 | 15.80K |
| 2026-08-04 | $3.70 | -0.80% | $3.73 | $3.75 | $3.70 | 16.90K |
| 2026-08-03 | $3.73 | +1.36% | $3.79 | $3.79 | $3.68 | 47.30K |
| 2026-07-31 | $3.68 | 0.00% | $3.71 | $3.81 | $3.68 | 12.60K |
| 2026-07-30 | $3.68 | +1.38% | $3.68 | $3.79 | $3.66 | 12.20K |
| 2026-07-29 | $3.63 | -2.42% | $3.68 | $3.74 | $3.63 | 20.10K |
| 2026-07-28 | $3.72 | +1.64% | $3.69 | $3.80 | $3.66 | 15.50K |
| 2026-07-27 | $3.66 | -2.40% | $3.76 | $3.77 | $3.66 | 13.90K |
| 2026-07-24 | $3.75 | -0.27% | $3.84 | $3.84 | $3.65 | 18.70K |
| 2026-07-23 | $3.76 | -2.59% | $3.80 | $3.86 | $3.71 | 12.80K |
| 2026-07-22 | $3.86 | +1.58% | $3.84 | $3.86 | $3.73 | 14.10K |
| 2026-07-21 | $3.80 | +1.06% | $3.80 | $3.83 | $3.73 | 18.90K |
| 2026-07-20 | $3.76 | -1.05% | $3.78 | $3.86 | $3.74 | 13.00K |
| 2026-07-17 | $3.80 | -1.55% | $3.82 | $3.90 | $3.78 | 23.50K |
| 2026-07-16 | $3.86 | -2.77% | $3.93 | $4.03 | $3.80 | 19.60K |
| 2026-07-15 | $3.97 | +4.75% | $3.82 | $3.97 | $3.82 | 12.60K |
| 2026-07-14 | $3.79 | -2.82% | $3.90 | $3.95 | $3.74 | 46.90K |
| 2026-07-13 | $3.90 | -1.27% | $3.93 | $3.97 | $3.90 | 5.10K |
| 2026-07-10 | $3.95 | +2.07% | $3.88 | $3.95 | $3.82 | 18.20K |
| 2026-07-09 | $3.87 | +1.31% | $3.80 | $3.99 | $3.79 | 17.60K |
| 2026-07-08 | $3.82 | -2.55% | $3.89 | $3.95 | $3.79 | 20.60K |
| 2026-07-07 | $3.92 | -4.16% | $4.09 | $4.09 | $3.92 | 23.60K |
| 2026-07-06 | $4.09 | +3.02% | $4.03 | $4.13 | $3.89 | 46.40K |
| 2026-07-02 | $3.97 | +1.79% | $3.95 | $4.02 | $3.86 | 4.60K |
| 2026-07-01 | $3.90 | -2.74% | $4.00 | $4.08 | $3.90 | 25.00K |
| 2026-06-30 | $4.01 | +0.50% | $3.95 | $4.15 | $3.95 | 12.40K |
| 2026-06-29 | $3.99 | 0.00% | $3.98 | $3.99 | $3.91 | 6.00K |
| 2026-06-26 | $3.99 | +1.01% | $3.97 | $3.99 | $3.90 | 24.60K |
| 2026-06-25 | $3.95 | -1.50% | $3.94 | $4.00 | $3.81 | 26.90K |
| 2026-06-24 | $4.01 | +0.75% | $3.93 | $4.06 | $3.93 | 16.60K |
| 2026-06-23 | $3.98 | +1.27% | $3.93 | $3.99 | $3.85 | 17.00K |
| 2026-06-22 | $3.93 | -2.48% | $3.96 | $3.99 | $3.87 | 18.90K |
| 2026-06-18 | $4.03 | +2.03% | $4.05 | $4.12 | $3.97 | 45.50K |
| 2026-06-17 | $3.95 | -0.75% | $4.00 | $4.08 | $3.89 | 23.90K |
| 2026-06-16 | $3.98 | +4.74% | $3.90 | $4.03 | $3.85 | 20.70K |
| 2026-06-15 | $3.80 | -2.81% | $3.96 | $4.10 | $3.80 | 35.20K |
| 2026-06-12 | $3.91 | -2.49% | $3.97 | $4.01 | $3.91 | 16.10K |
| 2026-06-11 | $4.01 | +2.56% | $3.98 | $4.01 | $3.91 | 19.70K |
| 2026-06-10 | $3.91 | -1.76% | $3.98 | $4.04 | $3.91 | 41.40K |
| 2026-06-09 | $3.98 | -2.69% | $4.10 | $4.16 | $3.98 | 24.60K |
| 2026-06-08 | $4.09 | +2.76% | $3.98 | $4.10 | $3.92 | 23.00K |
| 2026-06-05 | $3.98 | -2.21% | $4.04 | $4.08 | $3.92 | 19.70K |
| 2026-06-04 | $4.07 | +0.74% | $3.99 | $4.10 | $3.99 | 15.40K |
| 2026-06-03 | $4.04 | -0.74% | $4.07 | $4.08 | $3.99 | 15.90K |
| 2026-06-02 | $4.07 | -3.78% | $4.16 | $4.25 | $4.05 | 27.30K |
| 2026-06-01 | $4.23 | +3.68% | $4.08 | $4.24 | $3.98 | 38.20K |
| 2026-05-29 | $4.08 | 0.00% | $4.02 | $4.16 | $4.02 | 14.20K |
| 2026-05-28 | $4.08 | +1.49% | $4.06 | $4.15 | $4.03 | 12.80K |
| 2026-05-27 | $4.02 | -4.06% | $4.15 | $4.20 | $4.02 | 20.00K |
| 2026-05-26 | $4.19 | +5.54% | $3.97 | $4.26 | $3.97 | 48.70K |