sec filing
KO
NASDAQ · KOSS
Koss Corporation
Technology · Consumer Electronics
$3.43
Up+$0.03 (+0.88%)
Updated Oct 28, 2026, 5:25 AM
SID Score
2.6/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 44.66M
- P/E ratio
- -212.31
- Dividend yield
- 0.00%
- 52-week range
- $3.30 – $5.30
- Volume
- 17.53K
- Avg. volume
- 38.72K
Price performance · KOSS
KOSS price history
1M range · 21 trading sessions · Daily adjusted prices
Prices through Oct 27, 2026
KOSS closed at $3.43 after 21 trading sessions, down 13.82% for the selected period.
- Last close
- $3.43
- Period change
- -13.82%
- Period low
- $3.40
- Period high
- $4.02
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 27, 2026 | $3.40 | $3.48 | $3.40 | $3.43 | 17.53K |
| Oct 26, 2026 | $3.48 | $3.49 | $3.40 | $3.40 | 11.75K |
| Oct 23, 2026 | $3.50 | $3.55 | $3.43 | $3.455 | 20.86K |
| Oct 22, 2026 | $3.69 | $3.69 | $3.4237 | $3.48 | 19.81K |
| Oct 21, 2026 | $3.59 | $3.62 | $3.46 | $3.47 | 28.55K |
| Oct 20, 2026 | $3.62 | $3.7162 | $3.5001 | $3.56 | 31.49K |
| Oct 19, 2026 | $3.69 | $3.73 | $3.50 | $3.56 | 23.44K |
| Oct 16, 2026 | $3.75 | $3.77 | $3.65 | $3.66 | 23.44K |
| Oct 15, 2026 | $3.72 | $3.845 | $3.67 | $3.74 | 22.44K |
| Oct 14, 2026 | $3.81 | $3.89 | $3.73 | $3.79 | 24.08K |
| Oct 13, 2026 | $3.87 | $3.94 | $3.80 | $3.83 | 22.06K |
| Oct 12, 2026 | $3.82 | $3.95 | $3.66 | $3.84 | 18.26K |
| Oct 9, 2026 | $3.79 | $3.89 | $3.65 | $3.84 | 21.8K |
| Oct 8, 2026 | $3.77 | $3.88 | $3.61 | $3.69 | 35.51K |
| Oct 7, 2026 | $3.83 | $3.83 | $3.71 | $3.73 | 30.04K |
| Oct 6, 2026 | $3.88 | $3.93 | $3.76 | $3.84 | 27.37K |
| Oct 5, 2026 | $3.81 | $4.0983 | $3.80 | $3.90 | 43.46K |
| Oct 2, 2026 | $3.95 | $3.95 | $3.78 | $3.86 | 23.56K |
| Oct 1, 2026 | $4.065 | $4.065 | $3.9201 | $3.94 | 24.16K |
| Sep 30, 2026 | $3.97 | $4.0299 | $3.905 | $4.02 | 16.42K |
| Sep 29, 2026 | $4.05 | $4.115 | $3.86 | $3.98 | 40.11K |
Latest KOSS news
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