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$KOSS: Koss Corporation - Common Stock

+ Devices, Sound/Acoustic, Reddit's Wave



Clear duplicates of prices



2025-04-09
KOSS 2025-04-09 19:00:464.48 4.01 9.29%
KOSS 2025-04-09 20:00:520.00 0.00 9.29%
2025-04-10
KOSS 2025-04-10 05:00:505.41 3.96 9.29%
KOSS 2025-04-10 06:00:574.88 3.96 9.29%
KOSS 2025-04-10 07:00:474.88 3.96 -2.93%
KOSS 2025-04-10 08:00:545.15 4.38 -2.20%
KOSS 2025-04-10 10:01:034.39 4.32 -2.20%
KOSS 2025-04-10 11:00:554.44 4.20 -5.38%
KOSS 2025-04-10 12:00:584.24 4.20 -6.11%
KOSS 2025-04-10 13:00:544.31 4.18 -5.38%
KOSS 2025-04-10 14:01:014.40 4.34 -2.93%
KOSS 2025-04-10 15:00:464.39 4.34 -2.44%
KOSS 2025-04-10 16:00:544.79 4.18 -4.40%
KOSS 2025-04-10 17:00:464.77 4.18 -4.03%
KOSS 2025-04-10 20:00:580.00 0.00 -4.03%
2025-04-11
KOSS 2025-04-11 05:00:444.49 3.90 -4.03%
KOSS 2025-04-11 07:00:524.39 3.90 -4.03%
KOSS 2025-04-11 08:00:504.49 4.03 -4.03%
KOSS 2025-04-11 09:00:515.19 4.03 -4.03%
KOSS 2025-04-11 10:00:594.37 4.29 0.22%
KOSS 2025-04-11 11:00:494.39 4.20 0.67%
KOSS 2025-04-11 12:00:584.34 4.27 -0.67%
KOSS 2025-04-11 13:00:464.35 4.31 1.12%
KOSS 2025-04-11 14:00:564.56 4.34 2.68%
KOSS 2025-04-11 15:00:464.42 4.39 2.91%
KOSS 2025-04-11 16:00:574.50 4.24 3.58%
KOSS 2025-04-11 17:00:424.88 4.20 3.73%
KOSS 2025-04-11 20:00:550.00 0.00 3.73%
2025-04-14
KOSS 2025-04-14 05:00:465.01 3.96 3.73%
KOSS 2025-04-14 07:00:405.01 4.46 3.73%
KOSS 2025-04-14 09:00:475.01 4.46 0.23%
KOSS 2025-04-14 10:00:554.51 4.47 1.17%
KOSS 2025-04-14 11:00:484.68 4.58 5.13%
KOSS 2025-04-14 12:00:554.44 4.43 -0.47%
KOSS 2025-04-14 13:00:494.49 4.35 -0.93%
KOSS 2025-04-14 14:00:534.47 4.39 -0.93%
KOSS 2025-04-14 15:00:484.51 4.42 -0.47%
KOSS 2025-04-14 16:00:504.60 4.40 0.47%
KOSS 2025-04-14 17:00:454.69 4.40 0.90%
KOSS 2025-04-14 20:00:480.00 0.00 0.90%
2025-04-15
KOSS 2025-04-15 05:00:425.41 3.66 0.90%
KOSS 2025-04-15 07:00:514.99 4.02 0.90%
KOSS 2025-04-15 10:00:564.57 4.40 0.45%
KOSS 2025-04-15 11:00:494.57 4.50 0.45%
KOSS 2025-04-15 12:00:554.60 4.46 0.67%
KOSS 2025-04-15 13:00:484.56 4.45 -0.45%
KOSS 2025-04-15 14:00:514.55 4.46 0.45%
KOSS 2025-04-15 15:00:434.60 4.50 1.80%
KOSS 2025-04-15 16:00:514.60 4.38 0.67%
KOSS 2025-04-15 17:00:515.19 4.38 0.67%
KOSS 2025-04-15 20:00:490.00 0.00 0.67%
2025-04-16
KOSS 2025-04-16 05:00:425.41 3.98 0.67%
KOSS 2025-04-16 07:00:464.65 3.98 0.67%
KOSS 2025-04-16 09:00:444.65 4.02 0.67%
KOSS 2025-04-16 10:00:544.52 4.39 -0.89%
KOSS 2025-04-16 11:00:444.60 4.40 -0.67%
KOSS 2025-04-16 12:00:534.50 4.40 -2.23%
KOSS 2025-04-16 13:00:394.50 4.40 -2.46%
KOSS 2025-04-16 14:00:484.47 4.35 -2.68%
KOSS 2025-04-16 15:00:444.33 4.21 -5.58%
KOSS 2025-04-16 16:00:494.64 4.11 -5.36%
KOSS 2025-04-16 17:00:434.65 3.85 -5.54%
KOSS 2025-04-16 18:00:514.69 3.85 -5.54%
KOSS 2025-04-16 19:00:424.69 4.29 -5.54%
KOSS 2025-04-16 20:00:520.00 0.00 -5.54%
2025-04-17
KOSS 2025-04-17 05:00:455.12 3.63 -5.54%
KOSS 2025-04-17 06:00:555.12 3.75 -5.54%
KOSS 2025-04-17 07:00:455.00 3.85 -5.54%
KOSS 2025-04-17 09:00:415.00 4.02 2.44%
KOSS 2025-04-17 10:00:534.56 4.36 0.44%
KOSS 2025-04-17 11:00:434.48 4.33 2.88%
KOSS 2025-04-17 12:00:494.57 4.46 5.54%
KOSS 2025-04-17 13:00:414.57 4.42 6.21%
KOSS 2025-04-17 14:00:494.69 4.58 6.43%
KOSS 2025-04-17 15:00:384.64 4.53 7.76%
KOSS 2025-04-17 16:00:514.68 4.38 7.32%
KOSS 2025-04-17 17:00:424.68 4.38 9.60%
KOSS 2025-04-17 18:00:484.68 4.38 9.37%
KOSS 2025-04-17 20:00:520.00 0.00 9.37%
2025-04-21
KOSS 2025-04-21 05:00:435.41 4.00 9.37%
KOSS 2025-04-21 07:00:375.29 4.01 9.37%
KOSS 2025-04-21 09:00:444.80 4.01 9.37%
KOSS 2025-04-21 10:00:534.56 4.42 0.00%
KOSS 2025-04-21 11:00:474.45 4.36 -2.81%
KOSS 2025-04-21 12:00:544.41 4.37 -6.09%
KOSS 2025-04-21 13:00:444.44 4.35 -5.39%
KOSS 2025-04-21 14:00:554.43 4.31 -5.85%
KOSS 2025-04-21 15:00:494.41 4.30 -7.03%
KOSS 2025-04-21 16:00:564.57 4.06 -6.09%
KOSS 2025-04-21 17:00:445.21 4.24 -5.65%
KOSS 2025-04-21 18:00:544.70 4.24 0.65%
KOSS 2025-04-21 19:00:464.70 4.31 0.65%
KOSS 2025-04-21 20:00:520.00 0.00 -4.35%
2025-04-22
KOSS 2025-04-22 05:00:465.41 3.72 -4.35%
KOSS 2025-04-22 07:00:495.29 3.95 -4.35%
KOSS 2025-04-22 08:00:585.29 4.30 -4.35%
KOSS 2025-04-22 09:00:454.70 4.30 -4.35%
KOSS 2025-04-22 10:00:564.50 4.36 1.74%
KOSS 2025-04-22 11:00:474.45 4.36 1.09%
KOSS 2025-04-22 12:00:554.52 4.45 3.48%
KOSS 2025-04-22 13:00:524.59 4.50 4.78%
KOSS 2025-04-22 14:00:584.53 4.40 2.39%
KOSS 2025-04-22 15:00:464.57 4.40 2.61%
KOSS 2025-04-22 16:00:504.70 4.40 4.13%
KOSS 2025-04-22 17:00:484.49 4.40 4.38%
KOSS 2025-04-22 18:00:574.70 4.40 4.38%
KOSS 2025-04-22 19:00:544.60 4.40 4.38%
KOSS 2025-04-22 20:01:020.00 0.00 4.38%
2025-04-23
KOSS 2025-04-23 04:01:004.60 0.00 4.38%
KOSS 2025-04-23 05:00:524.60 4.03 4.38%
KOSS 2025-04-23 06:01:034.60 3.94 4.38%
KOSS 2025-04-23 08:00:565.05 4.06 2.53%
KOSS 2025-04-23 09:00:504.97 4.50 2.53%
KOSS 2025-04-23 10:01:004.72 4.59 4.84%
KOSS 2025-04-23 11:00:454.72 4.56 3.69%
KOSS 2025-04-23 12:01:014.64 4.57 2.76%
KOSS 2025-04-23 13:00:494.62 4.56 2.53%
KOSS 2025-04-23 14:01:014.64 4.56 2.07%
KOSS 2025-04-23 15:00:514.63 4.56 2.53%
KOSS 2025-04-23 16:01:044.70 4.51 1.61%
KOSS 2025-04-23 17:00:454.80 4.51 1.56%
KOSS 2025-04-23 19:00:464.80 4.51 0.45%
KOSS 2025-04-23 20:00:540.00 0.00 0.45%
2025-04-24
KOSS 2025-04-24 05:00:425.28 4.03 0.45%
KOSS 2025-04-24 07:00:484.93 4.03 0.45%
KOSS 2025-04-24 09:00:485.00 4.03 0.45%
KOSS 2025-04-24 10:00:564.74 4.55 0.89%
KOSS 2025-04-24 11:00:514.80 4.61 1.78%
KOSS 2025-04-24 12:00:544.67 4.55 -0.22%
KOSS 2025-04-24 13:00:484.67 4.62 1.34%
KOSS 2025-04-24 14:00:534.65 4.52 -0.22%
KOSS 2025-04-24 15:00:464.64 4.58 -0.67%
KOSS 2025-04-24 16:00:554.70 4.53 2.67%
KOSS 2025-04-24 17:00:564.70 4.30 2.63%
KOSS 2025-04-24 20:00:550.00 0.00 2.63%
2025-04-25
KOSS 2025-04-25 05:00:484.60 4.03 2.63%
KOSS 2025-04-25 06:00:554.60 4.40 2.63%
KOSS 2025-04-25 10:00:524.76 4.56 -1.75%
KOSS 2025-04-25 11:00:454.75 4.65 0.00%
KOSS 2025-04-25 12:00:514.72 4.65 1.32%
KOSS 2025-04-25 13:00:434.68 4.65 0.88%
KOSS 2025-04-25 14:00:504.68 4.61 0.22%
KOSS 2025-04-25 15:00:444.65 4.61 0.00%
KOSS 2025-04-25 16:00:494.70 4.60 0.66%
KOSS 2025-04-25 17:00:444.73 4.60 0.65%
KOSS 2025-04-25 20:00:540.00 0.00 0.65%
2025-04-29
KOSS 2025-04-29 11:03:454.64 4.50 1.51%
KOSS 2025-04-29 12:00:484.88 4.79 6.70%
KOSS 2025-04-29 13:00:554.95 4.75 7.99%
KOSS 2025-04-29 14:00:434.95 4.84 7.13%
KOSS 2025-04-29 15:00:584.87 4.85 6.48%
KOSS 2025-04-29 16:00:435.00 4.63 7.78%
KOSS 2025-04-29 17:00:505.00 4.69 2.59%
KOSS 2025-04-29 19:00:504.98 4.71 2.59%
KOSS 2025-04-29 20:00:400.00 0.00 2.59%
2025-04-30
KOSS 2025-04-30 05:00:495.59 4.85 2.59%
KOSS 2025-04-30 06:00:495.59 4.75 2.59%
KOSS 2025-04-30 10:00:504.72 4.55 -6.26%
KOSS 2025-04-30 11:00:454.79 4.74 -3.89%
KOSS 2025-04-30 12:00:514.83 4.74 -2.38%
KOSS 2025-04-30 13:00:414.84 4.76 -2.81%
KOSS 2025-04-30 14:00:484.87 4.74 -1.94%
KOSS 2025-04-30 15:00:474.85 4.73 -3.67%
KOSS 2025-04-30 16:00:484.94 4.70 3.67%
KOSS 2025-04-30 17:00:444.94 4.69 3.45%
KOSS 2025-04-30 20:00:520.00 0.00 3.45%
2025-05-01
KOSS 2025-05-01 05:00:445.59 4.13 3.45%
KOSS 2025-05-01 07:00:414.74 4.21 3.45%
KOSS 2025-05-01 08:00:565.00 4.34 0.00%
KOSS 2025-05-01 09:00:445.00 3.42 0.00%
KOSS 2025-05-01 10:00:524.84 4.62 1.22%
KOSS 2025-05-01 11:00:434.90 4.83 2.03%
KOSS 2025-05-01 12:00:564.88 4.73 1.42%
KOSS 2025-05-01 13:00:424.79 4.67 0.20%
KOSS 2025-05-01 14:00:534.79 4.70 0.20%
KOSS 2025-05-01 15:00:434.78 4.72 0.20%
KOSS 2025-05-01 16:00:524.80 4.70 0.81%
KOSS 2025-05-01 17:00:424.80 4.70 0.84%
KOSS 2025-05-01 20:00:510.00 0.00 0.84%
2025-05-02
KOSS 2025-05-02 05:00:445.59 4.13 0.84%
KOSS 2025-05-02 06:01:045.59 4.30 0.84%
KOSS 2025-05-02 07:00:445.42 4.30 0.84%
KOSS 2025-05-02 10:00:504.84 4.75 0.21%
KOSS 2025-05-02 11:00:434.92 4.85 2.74%
KOSS 2025-05-02 12:00:554.96 4.90 3.59%
KOSS 2025-05-02 13:00:484.98 4.91 3.59%
KOSS 2025-05-02 14:00:525.00 4.91 3.16%
KOSS 2025-05-02 15:00:464.99 4.91 3.59%
KOSS 2025-05-02 16:00:555.09 4.75 1.69%
KOSS 2025-05-02 17:00:445.25 4.75 1.88%
KOSS 2025-05-02 18:00:485.30 4.75 1.88%
KOSS 2025-05-02 20:00:560.00 0.00 1.88%
2025-05-05
KOSS 2025-05-05 05:00:455.30 4.35 1.88%
KOSS 2025-05-05 06:00:495.30 4.17 1.88%
KOSS 2025-05-05 07:00:505.30 4.70 1.88%
KOSS 2025-05-05 10:00:554.88 4.75 -1.05%
KOSS 2025-05-05 11:00:414.85 4.75 -1.05%
KOSS 2025-05-05 12:00:524.79 4.75 -2.93%
KOSS 2025-05-05 13:00:424.97 4.71 0.21%
KOSS 2025-05-05 14:00:534.89 4.70 -2.51%
KOSS 2025-05-05 15:00:444.79 4.76 -2.30%
KOSS 2025-05-05 16:00:535.09 4.69 -3.56%
KOSS 2025-05-05 17:00:425.32 4.70 -3.48%
KOSS 2025-05-05 18:00:495.59 4.70 -3.48%
KOSS 2025-05-05 19:00:435.57 4.70 -3.48%
KOSS 2025-05-05 20:00:520.00 0.00 -3.48%
2025-05-06
KOSS 2025-05-06 05:00:425.59 4.13 -3.48%
KOSS 2025-05-06 06:00:545.59 4.50 -3.48%
KOSS 2025-05-06 09:00:474.80 4.50 -3.48%
KOSS 2025-05-06 10:00:584.68 4.55 -0.61%
KOSS 2025-05-06 11:00:404.77 4.66 -0.82%
KOSS 2025-05-06 12:00:554.69 4.65 -1.02%
KOSS 2025-05-06 13:00:444.66 4.62 -1.84%
KOSS 2025-05-06 14:00:574.62 4.50 -3.27%
KOSS 2025-05-06 15:00:434.60 4.54 -3.07%
KOSS 2025-05-06 16:00:554.90 4.52 -4.29%
KOSS 2025-05-06 17:00:464.90 4.52 -4.03%
KOSS 2025-05-06 20:00:530.00 0.00 -4.03%
2025-05-07
KOSS 2025-05-07 04:00:544.85 0.00 -4.03%
KOSS 2025-05-07 05:00:474.85 4.13 -4.03%
KOSS 2025-05-07 06:00:574.85 4.13 6.16%
KOSS 2025-05-07 07:00:494.83 4.13 6.16%
KOSS 2025-05-07 10:00:514.75 4.55 1.91%
KOSS 2025-05-07 11:00:424.72 4.57 1.06%
KOSS 2025-05-07 12:00:504.74 4.59 1.06%
KOSS 2025-05-07 13:00:444.64 4.55 1.06%
KOSS 2025-05-07 14:00:454.61 4.55 1.27%
KOSS 2025-05-07 15:00:464.60 4.54 0.21%
KOSS 2025-05-07 16:00:514.74 4.55 3.18%
KOSS 2025-05-07 17:00:444.74 4.50 3.18%
KOSS 2025-05-07 20:00:510.00 0.00 3.18%
2025-05-08
KOSS 2025-05-08 05:00:465.26 4.13 3.18%
KOSS 2025-05-08 06:00:484.68 4.13 3.18%
KOSS 2025-05-08 09:00:414.68 4.13 0.00%
KOSS 2025-05-08 10:00:514.74 4.65 1.49%
KOSS 2025-05-08 11:00:454.70 4.65 0.00%
KOSS 2025-05-08 12:00:444.80 4.75 2.34%
KOSS 2025-05-08 13:00:434.87 4.80 2.76%
KOSS 2025-05-08 14:00:514.87 4.82 3.61%
KOSS 2025-05-08 15:00:454.87 4.67 3.18%
KOSS 2025-05-08 16:00:514.84 4.75 1.91%
KOSS 2025-05-08 16:50:33
8-K Sec report https://www.sec.gov/Archives/edgar/data/56701/000089843225000322/0000898432-25-000322-index.htm
8-K - KOSS CORP (0000056701) (Filer)
KOSS 2025-05-08 17:00:384.87 4.59 2.99%
KOSS 2025-05-08 17:17:52
8-K Sec report https://www.sec.gov/Archives/edgar/data/56701/000005670125000015/0000056701-25-000015-index.htm
8-K - KOSS CORP (0000056701) (Filer)
KOSS 2025-05-08 18:11:49
10-Q Sec report https://www.sec.gov/Archives/edgar/data/56701/000005670125000017/0000056701-25-000017-index.htm
10-Q - KOSS CORP (0000056701) (Filer)
KOSS 2025-05-08 20:00:490.00 0.00 2.99%
2025-05-09
KOSS 2025-05-09 05:00:435.15 4.28 2.99%
KOSS 2025-05-09 09:00:475.59 4.28 2.99%
KOSS 2025-05-09 10:00:504.90 4.71 0.00%
KOSS 2025-05-09 11:00:454.82 4.71 -0.64%
KOSS 2025-05-09 12:00:474.78 4.71 0.00%
KOSS 2025-05-09 13:00:414.80 4.75 0.85%
KOSS 2025-05-09 14:00:504.83 4.76 1.50%
KOSS 2025-05-09 15:00:414.88 4.76 1.92%
KOSS 2025-05-09 16:00:524.95 4.71 3.85%
KOSS 2025-05-09 17:00:405.00 4.74 3.85%


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