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$KOSS: Koss Corporation - Common Stock

+ Devices, Sound/Acoustic, Reddit's Wave



Clear duplicates of prices



2025-08-01
KOSS 2025-08-01 08:01:525.28 4.80 -1.12%
KOSS 2025-08-01 10:02:215.18 5.11 -2.99%
KOSS 2025-08-01 11:01:565.23 5.15 -1.12%
KOSS 2025-08-01 12:02:245.38 5.29 1.68%
KOSS 2025-08-01 13:01:515.32 5.15 1.50%
KOSS 2025-08-01 14:01:575.35 5.26 1.68%
KOSS 2025-08-01 15:02:055.35 5.23 1.50%
KOSS 2025-08-01 16:01:525.40 5.14 2.06%
KOSS 2025-08-01 17:01:545.40 5.12 2.08%
KOSS 2025-08-01 20:01:490.00 0.00 2.08%
2025-08-04
KOSS 2025-08-04 05:01:336.02 5.00 2.08%
KOSS 2025-08-04 07:01:346.18 5.00 2.08%
KOSS 2025-08-04 08:00:485.77 5.00 2.08%
KOSS 2025-08-04 09:00:455.77 4.84 2.08%
KOSS 2025-08-04 10:00:485.39 5.33 0.00%
KOSS 2025-08-04 11:00:445.44 5.35 0.00%
KOSS 2025-08-04 12:00:475.44 5.33 -0.57%
KOSS 2025-08-04 13:02:005.43 5.36 0.76%
KOSS 2025-08-04 14:00:485.45 5.42 1.14%
KOSS 2025-08-04 15:00:515.49 5.39 1.70%
KOSS 2025-08-04 16:00:575.48 5.41 1.52%
KOSS 2025-08-04 17:00:515.51 5.09 -0.74%
KOSS 2025-08-04 18:00:515.98 5.09 -0.74%
KOSS 2025-08-04 19:00:435.98 5.09 -0.56%
KOSS 2025-08-04 21:00:540.00 0.00 -0.56%
2025-08-05
KOSS 2025-08-05 05:00:496.02 4.58 -0.56%
KOSS 2025-08-05 07:00:456.00 5.00 -0.56%
KOSS 2025-08-05 08:00:485.55 5.35 -3.71%
KOSS 2025-08-05 09:00:465.57 5.35 2.23%
KOSS 2025-08-05 10:00:515.48 5.35 1.30%
KOSS 2025-08-05 11:00:435.64 5.52 2.78%
KOSS 2025-08-05 12:00:485.73 5.60 5.38%
KOSS 2025-08-05 13:00:405.73 5.62 5.38%
KOSS 2025-08-05 14:00:485.76 5.69 5.38%
KOSS 2025-08-05 15:00:395.77 5.66 5.57%
KOSS 2025-08-05 16:00:545.75 5.66 6.31%
KOSS 2025-08-05 17:00:446.00 5.59 5.54%
KOSS 2025-08-05 19:00:456.00 5.59 3.87%
KOSS 2025-08-05 21:00:440.00 0.00 3.87%
2025-08-06
KOSS 2025-08-06 05:00:466.73 5.72 3.87%
KOSS 2025-08-06 06:00:466.73 5.04 3.87%
KOSS 2025-08-06 07:00:456.73 5.52 3.87%
KOSS 2025-08-06 08:00:496.49 5.52 3.87%
KOSS 2025-08-06 10:00:465.78 5.61 0.37%
KOSS 2025-08-06 11:00:445.78 5.62 0.55%
KOSS 2025-08-06 12:00:485.78 5.67 0.55%
KOSS 2025-08-06 13:00:445.80 5.67 0.74%
KOSS 2025-08-06 15:00:485.79 5.67 1.66%
KOSS 2025-08-06 16:00:475.72 5.69 -0.74%
KOSS 2025-08-06 17:00:505.82 5.65 0.35%
KOSS 2025-08-06 18:00:525.73 5.65 0.35%
KOSS 2025-08-06 19:00:495.82 5.50 0.35%
KOSS 2025-08-06 21:00:520.00 0.00 0.35%
2025-08-07
KOSS 2025-08-07 05:00:506.50 5.20 0.35%
KOSS 2025-08-07 08:01:016.49 5.20 0.35%
KOSS 2025-08-07 10:00:525.74 5.65 -0.35%
KOSS 2025-08-07 11:00:495.63 5.46 -1.92%
KOSS 2025-08-07 12:00:515.68 5.55 -2.10%
KOSS 2025-08-07 13:00:455.68 5.55 -3.15%
KOSS 2025-08-07 14:00:535.68 5.55 -2.80%
KOSS 2025-08-07 15:00:495.68 5.45 -4.02%
KOSS 2025-08-07 16:00:535.64 5.49 -3.32%
KOSS 2025-08-07 17:00:415.66 5.46 -2.79%
KOSS 2025-08-07 18:00:535.65 5.55 -2.79%
KOSS 2025-08-07 19:00:505.68 5.46 -3.14%
KOSS 2025-08-07 21:00:480.00 0.00 -3.14%
2025-08-08
KOSS 2025-08-08 05:00:526.13 4.80 -3.14%
KOSS 2025-08-08 07:00:495.74 4.80 -3.14%
KOSS 2025-08-08 08:00:555.74 4.58 -3.14%
KOSS 2025-08-08 09:00:495.65 4.80 -3.14%
KOSS 2025-08-08 10:00:515.55 5.33 0.52%
KOSS 2025-08-08 11:00:475.49 5.40 -2.44%
KOSS 2025-08-08 12:00:475.48 5.35 -2.62%
KOSS 2025-08-08 13:00:445.48 5.44 -1.40%
KOSS 2025-08-08 14:00:475.54 5.45 -0.87%
KOSS 2025-08-08 15:00:455.57 5.41 -0.70%
KOSS 2025-08-08 16:00:505.53 5.43 -0.87%
KOSS 2025-08-08 17:00:476.00 5.00 -2.34%
KOSS 2025-08-08 18:00:516.00 5.00 -1.98%
KOSS 2025-08-08 21:00:490.00 0.00 -1.98%
2025-08-11
KOSS 2025-08-11 05:00:526.03 5.27 -1.98%
KOSS 2025-08-11 09:00:466.03 5.27 0.36%
KOSS 2025-08-11 10:00:535.50 5.37 0.18%
KOSS 2025-08-11 11:00:455.44 5.28 -4.14%
KOSS 2025-08-11 12:00:555.43 5.38 -1.62%
KOSS 2025-08-11 13:00:555.48 5.33 -2.16%
KOSS 2025-08-11 14:00:565.40 5.29 -3.24%
KOSS 2025-08-11 15:00:525.41 5.32 -2.70%
KOSS 2025-08-11 16:00:585.33 5.26 -3.24%
KOSS 2025-08-11 17:00:455.40 5.19 -2.74%
KOSS 2025-08-11 18:00:565.45 5.33 -2.74%
KOSS 2025-08-11 19:00:525.45 5.19 -4.01%
KOSS 2025-08-11 21:00:530.00 0.00 -4.01%
2025-08-12
KOSS 2025-08-12 05:00:585.60 4.84 -4.01%
KOSS 2025-08-12 07:00:465.60 5.00 -4.01%
KOSS 2025-08-12 09:00:525.91 5.00 -4.01%
KOSS 2025-08-12 10:00:535.39 5.37 1.09%
KOSS 2025-08-12 11:00:445.55 5.40 1.82%
KOSS 2025-08-12 13:00:495.55 5.40 1.46%
KOSS 2025-08-12 14:00:565.54 5.39 1.46%
KOSS 2025-08-12 15:00:545.53 5.38 1.46%
KOSS 2025-08-12 16:01:005.48 5.36 0.91%
KOSS 2025-08-12 17:00:595.55 5.30 0.75%
KOSS 2025-08-12 18:00:555.50 5.31 0.75%
KOSS 2025-08-12 21:00:490.00 0.00 0.75%
2025-08-13
KOSS 2025-08-13 05:00:465.65 4.58 2.44%
KOSS 2025-08-13 06:00:585.65 4.58 3.56%
KOSS 2025-08-13 08:00:575.62 4.67 3.56%
KOSS 2025-08-13 10:00:565.61 5.31 1.88%
KOSS 2025-08-13 11:00:485.40 5.28 -1.31%
KOSS 2025-08-13 12:00:515.49 5.29 -0.38%
KOSS 2025-08-13 13:00:545.40 5.31 -0.38%
KOSS 2025-08-13 14:00:565.36 5.30 -0.38%
KOSS 2025-08-13 15:00:535.41 5.32 0.00%
KOSS 2025-08-13 16:01:045.45 5.40 1.31%
KOSS 2025-08-13 17:00:595.62 5.25 2.43%
KOSS 2025-08-13 18:00:585.65 5.25 2.43%
KOSS 2025-08-13 21:00:590.00 0.00 2.43%
2025-08-14
KOSS 2025-08-14 04:04:075.65 0.00 2.43%
KOSS 2025-08-14 05:03:045.65 4.61 2.43%
KOSS 2025-08-14 08:04:045.65 4.62 2.43%
KOSS 2025-08-14 10:04:015.56 5.37 -2.24%
KOSS 2025-08-14 11:02:585.45 5.36 -1.31%
KOSS 2025-08-14 12:03:565.45 5.35 -0.56%
KOSS 2025-08-14 13:03:015.39 5.31 -2.24%
KOSS 2025-08-14 14:04:045.50 5.36 0.37%
KOSS 2025-08-14 15:02:555.57 5.53 1.12%
KOSS 2025-08-14 16:04:025.55 5.47 -0.19%
KOSS 2025-08-14 17:02:565.55 5.30 -0.18%
KOSS 2025-08-14 18:03:545.43 5.30 1.28%
KOSS 2025-08-14 20:03:590.00 0.00 1.28%
2025-08-15
KOSS 2025-08-15 05:00:536.00 5.45 0.00%
KOSS 2025-08-15 09:00:526.01 5.45 0.00%
KOSS 2025-08-15 10:00:545.74 5.57 2.55%
KOSS 2025-08-15 11:00:485.80 5.62 4.56%
KOSS 2025-08-15 12:00:555.78 5.69 5.29%
KOSS 2025-08-15 13:00:475.79 5.72 5.29%
KOSS 2025-08-15 14:00:555.79 5.65 4.93%
KOSS 2025-08-15 15:00:505.75 5.65 4.93%
KOSS 2025-08-15 16:00:555.72 5.69 4.56%
KOSS 2025-08-15 17:00:535.74 5.13 4.20%
KOSS 2025-08-15 19:00:485.74 5.13 2.74%
KOSS 2025-08-15 20:00:515.74 5.19 2.74%
KOSS 2025-08-15 21:00:540.00 0.00 2.74%
2025-08-18
KOSS 2025-08-18 05:00:536.23 4.58 2.74%
KOSS 2025-08-18 06:00:566.23 4.84 2.74%
KOSS 2025-08-18 09:00:486.20 5.17 2.74%
KOSS 2025-08-18 10:00:455.79 5.65 -0.55%
KOSS 2025-08-18 11:00:485.88 5.65 2.38%
KOSS 2025-08-18 12:00:486.04 5.92 6.58%
KOSS 2025-08-18 13:00:456.04 5.96 6.22%
KOSS 2025-08-18 14:00:506.17 6.03 6.95%
KOSS 2025-08-18 15:00:506.12 6.04 8.41%
KOSS 2025-08-18 16:01:076.17 6.00 8.41%
KOSS 2025-08-18 17:00:476.18 5.49 7.56%
KOSS 2025-08-18 18:00:536.26 5.49 8.44%
KOSS 2025-08-18 20:00:526.26 5.65 8.44%
KOSS 2025-08-18 21:00:460.00 0.00 8.44%
2025-08-19
KOSS 2025-08-19 05:00:526.40 5.58 8.44%
KOSS 2025-08-19 06:00:526.40 5.67 8.44%
KOSS 2025-08-19 07:00:506.40 6.26 8.44%
KOSS 2025-08-19 08:00:496.30 6.26 2.28%
KOSS 2025-08-19 09:00:466.69 6.45 7.91%
KOSS 2025-08-19 10:00:506.59 6.36 7.38%
KOSS 2025-08-19 11:00:476.74 6.41 9.14%
KOSS 2025-08-19 12:00:546.62 6.51 6.68%
KOSS 2025-08-19 13:00:436.40 6.20 2.64%
KOSS 2025-08-19 14:00:576.42 6.37 4.04%
KOSS 2025-08-19 15:00:596.49 6.27 4.75%
KOSS 2025-08-19 16:01:076.61 6.40 6.15%
KOSS 2025-08-19 17:00:586.70 6.20 9.12%
KOSS 2025-08-19 19:00:556.70 6.50 9.12%
KOSS 2025-08-19 20:01:030.00 0.00 9.12%
2025-08-20
KOSS 2025-08-20 05:00:517.16 5.95 9.12%
KOSS 2025-08-20 07:00:517.16 5.35 -2.61%
KOSS 2025-08-20 08:00:576.88 5.78 -2.61%
KOSS 2025-08-20 09:00:496.88 6.23 -2.61%
KOSS 2025-08-20 10:00:556.50 6.28 -1.79%
KOSS 2025-08-20 11:00:506.29 6.05 -4.56%
KOSS 2025-08-20 12:00:546.29 6.17 -3.26%
KOSS 2025-08-20 13:00:466.25 6.14 -4.23%
KOSS 2025-08-20 14:00:516.25 6.11 -4.89%
KOSS 2025-08-20 15:00:476.17 6.01 -6.35%
KOSS 2025-08-20 16:00:496.15 6.10 -5.86%
KOSS 2025-08-20 17:00:466.75 6.00 -5.71%
KOSS 2025-08-20 18:00:506.75 6.03 -5.71%
KOSS 2025-08-20 20:00:546.75 5.91 -5.71%
KOSS 2025-08-20 21:00:500.00 0.00 -5.71%
2025-08-21
KOSS 2025-08-21 05:00:447.58 5.72 -4.32%
KOSS 2025-08-21 08:00:547.39 6.05 -4.32%
KOSS 2025-08-21 09:00:457.32 5.72 1.85%
KOSS 2025-08-21 10:00:526.23 6.00 -0.77%
KOSS 2025-08-21 11:00:526.26 6.10 2.78%
KOSS 2025-08-21 12:00:556.22 6.10 0.46%
KOSS 2025-08-21 13:00:516.11 6.00 -1.23%
KOSS 2025-08-21 14:00:476.16 6.00 1.08%
KOSS 2025-08-21 15:00:446.16 6.10 0.31%
KOSS 2025-08-21 16:00:496.21 6.10 1.54%
KOSS 2025-08-21 17:00:516.31 6.20 1.80%
KOSS 2025-08-21 18:01:386.31 6.06 2.79%
KOSS 2025-08-21 19:00:546.31 6.04 -0.49%
KOSS 2025-08-21 20:01:010.00 0.00 -0.49%
2025-08-22
KOSS 2025-08-22 05:00:497.58 5.20 -0.49%
KOSS 2025-08-22 08:00:497.38 5.49 -0.49%
KOSS 2025-08-22 09:00:506.95 5.64 -0.49%
KOSS 2025-08-22 10:00:526.40 6.22 1.64%
KOSS 2025-08-22 11:00:486.44 6.38 5.08%
KOSS 2025-08-22 12:01:006.44 6.39 4.75%
KOSS 2025-08-22 13:00:536.49 6.39 4.92%
KOSS 2025-08-22 14:00:596.54 6.40 6.23%
KOSS 2025-08-22 15:00:596.55 6.42 5.74%
KOSS 2025-08-22 16:01:016.49 6.27 5.41%
KOSS 2025-08-22 17:00:576.75 6.42 5.36%
KOSS 2025-08-22 18:00:596.45 6.27 1.95%
KOSS 2025-08-22 19:00:546.46 6.27 4.87%
KOSS 2025-08-22 20:00:546.75 6.27 4.87%
KOSS 2025-08-22 21:00:560.00 0.00 4.87%
2025-08-25
KOSS 2025-08-25 05:00:546.65 4.80 1.46%
KOSS 2025-08-25 06:00:586.65 5.67 1.46%
KOSS 2025-08-25 08:00:496.65 5.81 1.14%
KOSS 2025-08-25 09:00:546.65 6.17 1.14%
KOSS 2025-08-25 10:01:016.42 6.31 -2.44%
KOSS 2025-08-25 11:00:496.50 6.35 -0.97%
KOSS 2025-08-25 12:00:476.55 6.50 0.32%
KOSS 2025-08-25 13:00:586.44 6.35 -1.14%
KOSS 2025-08-25 14:00:526.44 6.35 -0.81%
KOSS 2025-08-25 15:01:486.42 6.35 -1.30%
KOSS 2025-08-25 16:00:516.40 6.32 -2.44%
KOSS 2025-08-25 17:01:036.54 6.20 -2.47%
KOSS 2025-08-25 18:01:036.54 5.12 -7.41%
KOSS 2025-08-25 19:01:016.45 5.12 -6.79%
KOSS 2025-08-25 20:01:030.00 0.00 -8.95%
2025-08-26
KOSS 2025-08-26 05:01:036.34 5.75 -8.95%
KOSS 2025-08-26 07:01:046.34 5.80 -8.95%
KOSS 2025-08-26 08:00:516.83 5.72 -5.71%
KOSS 2025-08-26 09:01:006.69 5.80 -5.71%
KOSS 2025-08-26 10:00:566.58 6.40 2.62%
KOSS 2025-08-26 11:00:596.59 6.42 2.62%
KOSS 2025-08-26 12:00:476.78 6.70 7.10%
KOSS 2025-08-26 13:00:506.70 6.62 4.94%
KOSS 2025-08-26 14:00:506.62 6.57 3.24%
KOSS 2025-08-26 15:00:586.61 6.55 3.55%
KOSS 2025-08-26 16:00:526.58 6.50 2.31%
KOSS 2025-08-26 17:01:016.90 6.47 2.36%
KOSS 2025-08-26 19:00:526.90 6.47 4.09%
KOSS 2025-08-26 21:00:540.00 0.00 4.09%
2025-08-27
KOSS 2025-08-27 05:01:037.30 5.68 4.09%
KOSS 2025-08-27 07:00:577.20 5.68 4.09%
KOSS 2025-08-27 08:00:526.73 6.05 4.09%
KOSS 2025-08-27 09:00:486.73 6.03 2.36%
KOSS 2025-08-27 10:01:126.59 6.36 0.79%
KOSS 2025-08-27 11:00:556.53 6.50 0.00%
KOSS 2025-08-27 12:00:526.44 6.31 -1.57%
KOSS 2025-08-27 13:00:546.53 6.45 -0.31%
KOSS 2025-08-27 14:00:526.53 6.39 -0.94%
KOSS 2025-08-27 15:00:526.47 6.41 -0.79%
KOSS 2025-08-27 16:00:486.47 6.40 -1.42%
KOSS 2025-08-27 17:00:576.61 6.37 -1.38%
KOSS 2025-08-27 18:00:466.61 6.52 0.31%
KOSS 2025-08-27 20:00:376.61 6.37 0.31%
KOSS 2025-08-27 21:00:440.00 0.00 0.31%
2025-08-28
KOSS 2025-08-28 05:00:567.54 5.67 0.31%
KOSS 2025-08-28 08:00:446.94 5.88 -0.46%
KOSS 2025-08-28 09:00:496.94 5.77 -0.46%
KOSS 2025-08-28 10:00:466.34 6.25 -1.84%
KOSS 2025-08-28 11:00:436.39 6.27 -1.84%
KOSS 2025-08-28 12:00:486.39 6.27 -0.77%
KOSS 2025-08-28 13:00:526.39 6.29 -0.77%
KOSS 2025-08-28 14:00:526.34 6.30 -1.23%
KOSS 2025-08-28 15:00:466.36 6.25 -1.84%
KOSS 2025-08-28 16:00:526.27 6.16 -3.69%
KOSS 2025-08-28 17:00:496.40 6.04 -3.12%
KOSS 2025-08-28 17:20:04
8-K Sec report https://www.sec.gov/Archives/edgar/data/56701/000005670125000042/0000056701-25-000042-index.htm
8-K - KOSS CORP (0000056701) (Filer)
KOSS 2025-08-28 17:55:39
10-K Sec report https://www.sec.gov/Archives/edgar/data/56701/000005670125000044/0000056701-25-000044-index.htm
10-K - KOSS CORP (0000056701) (Filer)
KOSS 2025-08-28 21:00:530.00 0.00 -3.12%
2025-08-29
KOSS 2025-08-29 05:00:487.54 5.40 -3.12%
KOSS 2025-08-29 06:00:487.54 5.67 -3.12%
KOSS 2025-08-29 08:00:467.16 5.67 -3.12%
KOSS 2025-08-29 09:00:537.05 5.88 -3.12%
KOSS 2025-08-29 10:00:436.31 6.21 1.09%
KOSS 2025-08-29 11:00:566.29 6.14 0.00%
KOSS 2025-08-29 12:00:476.30 6.10 0.00%
KOSS 2025-08-29 13:00:576.30 6.10 -0.16%
KOSS 2025-08-29 14:00:496.30 6.13 0.16%
KOSS 2025-08-29 15:00:576.24 6.15 0.62%
KOSS 2025-08-29 16:00:506.23 6.16 0.00%
KOSS 2025-08-29 17:00:456.30 6.12 -1.29%
KOSS 2025-08-29 19:01:046.28 5.88 -1.29%
KOSS 2025-08-29 21:00:510.00 0.00 -1.29%


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