Koss Stock Price History
NASDAQ: KOSSConsumer StaplesConsumer Electronics/AppliancesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
KOSS price history at a glance
The price history for Koss (KOSS) on this page begins on March 17, 1980, when the stock closed at $0.5972; it most recently closed at $3.84 on October 5, 2026. The highest price in this record is $127.45, reached on January 25, 2021; the latest close is 97.0% below that peak. Across the 45 complete calendar years in the table, KOSS finished higher in 24 and lower in 21. Its best year was 1986 (+311.1%) and its worst was 1984 (-81.5%).
Over roughly 47 years the share price changed +543.0%, a 4.1% compound annual price return (excluding dividends). In the last 12 months alone, KOSS has lost 21.5%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1980
- $127.45
- Date of high
- Jan 25, 2021
- Low since 1980
- $0.1563
- Date of low
- Dec 31, 1984
- 52-week high
- $5.70
- 52-week low
- $3.30
- Last close
- $3.84
KOSS returns
1 week
-0.52%
1 month
+10.98%
3 months
-2.78%
6 months
-0.52%
Year to date
-7.25%
1 year
-21.47%
3 years
+36.17%
5 years
-77.89%
KOSS price return, excluding dividends.
KOSS annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 3.84 | -11.52% |
| 2025 | 4.34 | -42.59% |
| 2024 | 7.56 | +125.67% |
| 2023 | 3.35 | -32.32% |
| 2022 | 4.95 | -53.65% |
| 2021 | 10.68 | +210.47% |
| 2020 | 3.44 | +127.81% |
| 2019 | 1.51 | -31.05% |
| 2018 | 2.19 | -29.13% |
| 2017 | 3.09 | +35.53% |
| 2016 | 2.28 | +14.00% |
| 2015 | 2.00 | +10.50% |
| 2014 | 1.81 | -64.30% |
| 2013 | 5.07 | +5.63% |
| 2012 | 4.80 | -4.00% |
| 2011 | 5.00 | 0.00% |
| 2010 | 5.00 | -9.26% |
| 2009 | 5.51 | +17.86% |
| 2008 | 4.68 | -43.98% |
| 2007 | 8.35 | -28.98% |
| 2006 | 11.75 | -10.10% |
| 2005 | 13.07 | +34.33% |
| 2004 | 9.73 | -5.72% |
| 2003 | 10.32 | +10.97% |
| 2002 | 9.30 | +32.38% |
| 2001 | 7.03 | +16.48% |
| 2000 | 6.03 | +62.18% |
| 1999 | 3.72 | +35.23% |
| 1998 | 2.75 | -8.33% |
| 1997 | 3.00 | +71.43% |
| 1996 | 1.75 | +16.67% |
| 1995 | 1.50 | -44.19% |
| 1994 | 2.69 | -21.82% |
| 1993 | 3.44 | +161.90% |
| 1992 | 1.31 | +147.04% |
| 1991 | 0.5313 | +21.44% |
| 1990 | 0.4375 | -60.00% |
| 1989 | 1.09 | +12.90% |
| 1988 | 0.9688 | +10.72% |
| 1987 | 0.875 | -24.33% |
| 1986 | 1.16 | +311.06% |
| 1985 | 0.2813 | +79.97% |
| 1984 | 0.1563 | -81.48% |
| 1983 | 0.8438 | -27.03% |
| 1982 | 1.16 | -28.84% |
| 1981 | 1.63 | +90.24% |
| 1980* | 0.8542 | +43.03% |
* Partial year: the record begins after the start of 1980; return measured from the first available close.
2026 return is year to date.
KOSS daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 3.79 | 3.89 | 3.65 | 3.84 | +4.07% | |
| 3.77 | 3.88 | 3.61 | 3.69 | -1.07% | |
| 3.83 | 3.83 | 3.71 | 3.73 | -2.86% | |
| 3.88 | 3.93 | 3.76 | 3.84 | -1.54% | |
| 3.81 | 4.10 | 3.80 | 3.90 | +1.04% | |
| 3.95 | 3.95 | 3.78 | 3.86 | -2.03% | |
| 4.07 | 4.07 | 3.92 | 3.94 | -1.99% | |
| 3.97 | 4.03 | 3.91 | 4.02 | +1.01% | |
| 4.05 | 4.12 | 3.86 | 3.98 | -2.45% | |
| 4.01 | 4.20 | 3.99 | 4.08 | +2.00% | |
| 4.34 | 4.34 | 3.81 | 4.00 | -4.76% | |
| 4.01 | 4.44 | 3.94 | 4.20 | +6.33% | |
| 3.57 | 4.33 | 3.49 | 3.95 | +12.86% | |
| 3.47 | 3.54 | 3.46 | 3.50 | +0.86% | |
| 3.59 | 3.62 | 3.42 | 3.47 | -3.34% | |
| 3.54 | 3.62 | 3.42 | 3.59 | +1.70% | |
| 3.42 | 3.59 | 3.40 | 3.53 | +5.06% | |
| 3.43 | 3.48 | 3.35 | 3.36 | -1.18% | |
| 3.62 | 3.62 | 3.37 | 3.40 | -0.87% | |
| 3.48 | 3.62 | 3.40 | 3.43 | +0.59% | |
| 3.39 | 3.63 | 3.39 | 3.41 | +0.29% | |
| 3.47 | 3.48 | 3.30 | 3.40 | -1.73% | |
| 3.50 | 3.50 | 3.43 | 3.46 | -2.54% | |
| 3.60 | 3.60 | 3.48 | 3.55 | -0.84% | |
| 3.45 | 3.65 | 3.45 | 3.58 | +1.13% | |
| 3.57 | 3.57 | 3.41 | 3.54 | +1.14% | |
| 3.45 | 3.53 | 3.41 | 3.50 | +1.74% | |
| 3.43 | 3.55 | 3.37 | 3.44 | -0.58% | |
| 3.51 | 3.60 | 3.40 | 3.46 | -1.14% | |
| 3.45 | 3.65 | 3.38 | 3.50 | +2.34% | |
| 3.40 | 3.51 | 3.37 | 3.42 | -0.58% | |
| 3.47 | 3.55 | 3.40 | 3.44 | -0.29% | |
| 3.50 | 3.52 | 3.40 | 3.45 | -1.43% | |
| 3.55 | 3.59 | 3.50 | 3.50 | -1.96% | |
| 3.50 | 3.61 | 3.50 | 3.57 | +3.78% | |
| 3.55 | 3.66 | 3.44 | 3.44 | -3.37% | |
| 3.63 | 3.63 | 3.56 | 3.56 | -0.56% | |
| 3.71 | 3.71 | 3.52 | 3.58 | -3.24% | |
| 3.68 | 3.78 | 3.68 | 3.70 | -1.33% | |
| 3.73 | 3.75 | 3.70 | 3.75 | +2.18% | |
| 3.73 | 3.73 | 3.65 | 3.67 | +0.55% | |
| 3.71 | 3.76 | 3.65 | 3.65 | -2.41% | |
| 3.75 | 3.78 | 3.70 | 3.74 | -1.06% | |
| 3.73 | 3.83 | 3.73 | 3.78 | +1.61% | |
| 3.64 | 3.78 | 3.64 | 3.72 | -0.27% | |
| 3.68 | 3.77 | 3.68 | 3.73 | 0.00% | |
| 3.75 | 3.78 | 3.69 | 3.73 | +0.81% | |
| 3.73 | 3.75 | 3.70 | 3.70 | -0.80% | |
| 3.79 | 3.79 | 3.68 | 3.73 | +1.36% | |
| 3.71 | 3.81 | 3.68 | 3.68 | 0.00% | |
| 3.68 | 3.79 | 3.66 | 3.68 | +1.38% | |
| 3.68 | 3.74 | 3.63 | 3.63 | -2.42% | |
| 3.69 | 3.80 | 3.66 | 3.72 | +1.64% | |
| 3.76 | 3.77 | 3.66 | 3.66 | -2.40% | |
| 3.84 | 3.84 | 3.65 | 3.75 | -0.27% | |
| 3.80 | 3.86 | 3.71 | 3.76 | -2.59% | |
| 3.84 | 3.86 | 3.73 | 3.86 | +1.58% | |
| 3.80 | 3.83 | 3.73 | 3.80 | +1.06% | |
| 3.78 | 3.86 | 3.74 | 3.76 | -1.05% | |
| 3.82 | 3.90 | 3.78 | 3.80 | -1.55% | |
| 3.93 | 4.03 | 3.80 | 3.86 | -2.77% | |
| 3.82 | 3.97 | 3.82 | 3.97 | +4.75% | |
| 3.90 | 3.95 | 3.74 | 3.79 | -2.82% | |
| 3.93 | 3.97 | 3.90 | 3.90 | -1.27% | |
| 3.88 | 3.95 | 3.82 | 3.95 | +2.07% | |
| 3.80 | 3.99 | 3.79 | 3.87 | +1.31% | |
| 3.89 | 3.95 | 3.79 | 3.82 | -2.55% | |
| 4.09 | 4.09 | 3.92 | 3.92 | -4.16% | |
| 4.03 | 4.13 | 3.89 | 4.09 | +3.02% | |
| 3.95 | 4.02 | 3.86 | 3.97 | +1.79% | |
| 4.00 | 4.08 | 3.90 | 3.90 | -2.74% | |
| 3.95 | 4.15 | 3.95 | 4.01 | +0.50% | |
| 3.98 | 3.99 | 3.91 | 3.99 | 0.00% | |
| 3.97 | 3.99 | 3.90 | 3.99 | +1.01% | |
| 3.94 | 4.00 | 3.81 | 3.95 | -1.50% | |
| 3.93 | 4.06 | 3.93 | 4.01 | +0.75% | |
| 3.93 | 3.99 | 3.85 | 3.98 | +1.27% | |
| 3.96 | 3.99 | 3.87 | 3.93 | -2.48% | |
| 4.05 | 4.12 | 3.97 | 4.03 | +2.03% | |
| 4.00 | 4.08 | 3.89 | 3.95 | -0.75% | |
| 3.90 | 4.03 | 3.85 | 3.98 | +4.74% | |
| 3.96 | 4.10 | 3.80 | 3.80 | -2.81% | |
| 3.97 | 4.01 | 3.91 | 3.91 | -2.49% | |
| 3.98 | 4.01 | 3.91 | 4.01 | +2.56% | |
| 3.98 | 4.04 | 3.91 | 3.91 | -1.76% | |
| 4.10 | 4.16 | 3.98 | 3.98 | -2.69% | |
| 3.98 | 4.10 | 3.92 | 4.09 | +2.76% | |
| 4.04 | 4.08 | 3.92 | 3.98 | -2.21% | |
| 3.99 | 4.10 | 3.99 | 4.07 | +0.74% | |
| 4.07 | 4.08 | 3.99 | 4.04 | -0.74% | |
| 4.16 | 4.25 | 4.05 | 4.07 | -3.78% | |
| 4.08 | 4.24 | 3.98 | 4.23 | +3.68% | |
| 4.02 | 4.16 | 4.02 | 4.08 | 0.00% | |
| 4.06 | 4.15 | 4.03 | 4.08 | +1.49% | |
| 4.15 | 4.20 | 4.02 | 4.02 | -4.06% | |
| 3.97 | 4.26 | 3.97 | 4.19 | +5.54% | |
| 4.15 | 4.19 | 3.97 | 3.97 | -3.64% | |
| 4.00 | 4.12 | 3.87 | 4.12 | +3.00% | |
| 3.92 | 4.10 | 3.86 | 4.00 | +1.78% | |
| 3.97 | 3.99 | 3.88 | 3.93 | -0.76% | |
| 3.96 | 4.03 | 3.86 | 3.96 | +2.59% | |
| 3.89 | 4.11 | 3.82 | 3.86 | -0.26% | |
| 3.81 | 3.95 | 3.81 | 3.87 | +1.84% | |
| 3.85 | 3.93 | 3.79 | 3.80 | -3.55% | |
| 3.85 | 3.94 | 3.75 | 3.94 | +1.03% | |
| 4.13 | 4.13 | 3.75 | 3.90 | -6.25% | |
| 4.22 | 4.32 | 4.13 | 4.16 | -0.48% | |
| 4.40 | 4.40 | 4.18 | 4.18 | -2.79% | |
| 4.36 | 4.45 | 4.30 | 4.30 | -2.49% | |
| 4.28 | 4.41 | 4.20 | 4.41 | +4.50% | |
| 4.42 | 4.57 | 4.20 | 4.22 | -3.21% | |
| 4.22 | 4.47 | 4.15 | 4.36 | +0.69% | |
| 4.19 | 4.33 | 4.11 | 4.33 | +3.59% | |
| 4.30 | 4.30 | 4.06 | 4.18 | -2.79% | |
| 4.12 | 4.37 | 4.12 | 4.30 | -1.15% | |
| 4.41 | 4.44 | 4.13 | 4.35 | -1.58% | |
| 4.54 | 4.56 | 4.26 | 4.42 | -1.34% | |
| 4.42 | 4.83 | 4.41 | 4.48 | +3.46% | |
| 4.18 | 4.45 | 4.15 | 4.33 | +2.36% | |
| 4.13 | 4.26 | 4.04 | 4.23 | +2.42% | |
| 4.13 | 4.19 | 3.99 | 4.13 | -0.96% | |
| 4.15 | 4.19 | 4.02 | 4.17 | +1.71% | |
| 4.19 | 4.26 | 4.07 | 4.10 | +1.99% | |
| 3.79 | 4.02 | 3.79 | 4.02 | +2.55% | |
| 3.82 | 3.92 | 3.82 | 3.92 | +1.55% | |
| 3.88 | 3.90 | 3.85 | 3.86 | 0.00% | |
| 3.88 | 3.88 | 3.83 | 3.86 | 0.00% | |
| 3.89 | 3.94 | 3.80 | 3.86 | +1.58% | |
| 3.85 | 4.00 | 3.70 | 3.80 | +0.80% | |
| 3.79 | 3.83 | 3.67 | 3.77 | -0.79% | |
| 3.64 | 3.89 | 3.64 | 3.80 | +3.26% | |
| 3.62 | 3.75 | 3.58 | 3.68 | -1.60% | |
| 3.69 | 3.83 | 3.69 | 3.74 | +4.47% | |
| 3.52 | 3.80 | 3.52 | 3.58 | +2.29% | |
| 3.67 | 3.67 | 3.50 | 3.50 | -2.78% | |
| 3.77 | 3.83 | 3.56 | 3.60 | -3.74% | |
| 3.95 | 3.96 | 3.73 | 3.74 | -4.83% | |
| 4.01 | 4.01 | 3.89 | 3.93 | -1.01% | |
| 4.01 | 4.06 | 3.95 | 3.97 | -1.00% | |
| 3.69 | 4.06 | 3.61 | 4.01 | +10.77% | |
| 3.95 | 3.95 | 3.61 | 3.62 | -7.18% | |
| 3.99 | 3.99 | 3.75 | 3.90 | -0.51% | |
| 3.95 | 4.00 | 3.92 | 3.92 | -1.01% | |
| 3.99 | 4.13 | 3.96 | 3.96 | +1.02% | |
| 3.98 | 4.06 | 3.91 | 3.92 | +0.26% | |
| 3.93 | 3.99 | 3.91 | 3.91 | -0.26% | |
| 4.05 | 4.09 | 3.90 | 3.92 | -3.92% | |
| 4.15 | 4.15 | 4.08 | 4.08 | -0.49% | |
| 4.05 | 4.19 | 4.05 | 4.10 | +0.99% | |
| 4.07 | 4.15 | 4.01 | 4.06 | -1.22% | |
| 4.06 | 4.15 | 4.06 | 4.11 | +0.98% | |
| 4.14 | 4.20 | 4.06 | 4.07 | -3.10% | |
| 4.14 | 4.21 | 4.13 | 4.20 | +0.72% | |
| 4.10 | 4.21 | 4.10 | 4.17 | +1.71% | |
| 4.12 | 4.16 | 4.06 | 4.10 | -0.73% | |
| 4.08 | 4.13 | 4.01 | 4.13 | +1.23% | |
| 4.18 | 4.22 | 4.08 | 4.08 | -2.39% | |
| 4.26 | 4.27 | 4.10 | 4.18 | -1.88% | |
| 4.19 | 4.33 | 4.19 | 4.26 | +1.91% | |
| 4.27 | 4.39 | 4.16 | 4.18 | -1.88% | |
| 4.16 | 4.35 | 4.13 | 4.26 | +2.16% | |
| 4.19 | 4.22 | 4.09 | 4.17 | +0.24% | |
| 4.16 | 4.29 | 4.14 | 4.16 | +0.24% | |
| 4.35 | 4.41 | 4.13 | 4.15 | -5.25% | |
| 4.34 | 4.46 | 4.30 | 4.38 | +1.15% | |
| 4.39 | 4.48 | 4.30 | 4.33 | -1.59% | |
| 4.58 | 4.58 | 4.37 | 4.40 | -3.30% | |
| 4.61 | 4.65 | 4.55 | 4.55 | -0.66% | |
| 4.55 | 4.64 | 4.55 | 4.58 | -2.14% | |
| 4.61 | 4.75 | 4.56 | 4.68 | +2.41% | |
| 4.75 | 4.95 | 4.50 | 4.57 | -4.59% | |
| 4.60 | 4.84 | 4.60 | 4.79 | +3.68% | |
| 4.84 | 4.90 | 4.50 | 4.62 | -4.15% | |
| 4.32 | 4.85 | 4.31 | 4.82 | +11.32% | |
| 4.52 | 4.55 | 4.31 | 4.33 | -3.56% | |
| 4.35 | 4.73 | 4.33 | 4.49 | +3.22% | |
| 4.36 | 4.46 | 4.31 | 4.35 | -0.91% | |
| 4.51 | 4.52 | 4.32 | 4.39 | -2.44% | |
| 4.42 | 4.66 | 4.28 | 4.50 | +1.81% | |
| 4.52 | 4.69 | 4.41 | 4.42 | -1.56% | |
| 4.55 | 4.71 | 4.45 | 4.49 | -0.66% | |
| 4.32 | 4.52 | 4.32 | 4.52 | +5.61% | |
| 4.38 | 4.47 | 4.28 | 4.28 | -4.25% | |
| 4.45 | 4.56 | 4.35 | 4.47 | +1.82% | |
| 4.34 | 4.47 | 4.34 | 4.39 | +1.15% | |
| 4.31 | 4.46 | 4.25 | 4.34 | +0.46% | |
| 4.53 | 4.62 | 4.24 | 4.32 | -4.64% | |
| 4.34 | 4.68 | 4.34 | 4.53 | +3.66% | |
| 4.31 | 4.67 | 4.21 | 4.37 | +1.39% | |
| 4.21 | 4.37 | 4.21 | 4.31 | +0.70% | |
| 4.33 | 4.41 | 4.16 | 4.28 | 0.00% | |
| 4.45 | 4.65 | 4.28 | 4.28 | -4.46% | |
| 4.29 | 4.70 | 4.29 | 4.48 | +3.23% | |
| 4.16 | 4.40 | 4.15 | 4.34 | +4.83% | |
| 4.19 | 4.25 | 4.12 | 4.14 | -1.43% | |
| 4.30 | 4.42 | 4.20 | 4.20 | -2.55% | |
| 4.40 | 4.41 | 4.30 | 4.31 | -4.01% | |
| 4.46 | 4.49 | 4.41 | 4.49 | +0.67% | |
| 4.46 | 4.50 | 4.41 | 4.46 | -0.22% | |
| 4.40 | 4.50 | 4.35 | 4.47 | +1.13% | |
| 4.36 | 4.60 | 4.36 | 4.42 | +3.27% | |
| 4.50 | 4.64 | 4.26 | 4.28 | -5.73% | |
| 4.51 | 4.80 | 4.41 | 4.54 | +0.89% | |
| 4.51 | 4.62 | 4.41 | 4.50 | -0.22% | |
| 4.54 | 4.65 | 4.51 | 4.51 | -1.96% | |
| 4.62 | 4.65 | 4.50 | 4.60 | +0.44% | |
| 4.70 | 4.72 | 4.58 | 4.58 | -2.97% | |
| 4.62 | 4.76 | 4.61 | 4.72 | +1.51% | |
| 4.70 | 4.86 | 4.63 | 4.65 | -2.52% | |
| 4.59 | 4.77 | 4.59 | 4.77 | +3.92% | |
| 4.96 | 4.96 | 4.56 | 4.59 | -4.77% | |
| 4.89 | 4.90 | 4.82 | 4.82 | -0.62% | |
| 4.86 | 4.93 | 4.80 | 4.85 | -1.82% | |
| 4.90 | 4.97 | 4.81 | 4.94 | +0.82% | |
| 4.94 | 4.99 | 4.86 | 4.90 | +1.03% | |
| 4.92 | 4.98 | 4.83 | 4.85 | -4.15% | |
| 4.79 | 5.06 | 4.79 | 5.06 | +5.20% | |
| 4.83 | 4.92 | 4.71 | 4.81 | +0.21% | |
| 4.71 | 4.91 | 4.66 | 4.80 | +3.90% | |
| 4.62 | 4.74 | 4.62 | 4.62 | -0.86% | |
| 4.55 | 4.82 | 4.50 | 4.66 | +1.97% | |
| 4.62 | 4.72 | 4.52 | 4.57 | -1.08% | |
| 4.64 | 4.70 | 4.56 | 4.62 | -0.43% | |
| 4.74 | 4.74 | 4.61 | 4.64 | -2.32% | |
| 4.82 | 4.87 | 4.65 | 4.75 | -1.45% | |
| 4.74 | 4.99 | 4.74 | 4.82 | +0.42% | |
| 4.99 | 4.99 | 4.75 | 4.80 | -2.44% | |
| 4.98 | 5.07 | 4.88 | 4.92 | -1.80% | |
| 5.09 | 5.09 | 4.83 | 5.01 | -1.57% | |
| 4.58 | 5.10 | 4.58 | 5.09 | +13.11% | |
| 4.45 | 4.55 | 4.34 | 4.50 | -0.88% | |
| 4.72 | 4.78 | 4.46 | 4.54 | -3.61% | |
| 4.61 | 4.76 | 4.60 | 4.71 | +2.17% | |
| 4.71 | 4.88 | 4.59 | 4.61 | -3.56% | |
| 4.81 | 4.85 | 4.72 | 4.78 | -1.04% | |
| 5.19 | 5.19 | 4.81 | 4.83 | +0.84% | |
| 4.90 | 4.90 | 4.75 | 4.79 | -2.04% | |
| 5.01 | 5.02 | 4.86 | 4.89 | -3.36% | |
| 5.05 | 5.16 | 5.00 | 5.06 | -0.39% | |
| 5.15 | 5.30 | 5.04 | 5.08 | -2.12% | |
| 5.19 | 5.21 | 5.05 | 5.19 | +2.98% | |
| 4.99 | 5.12 | 4.98 | 5.04 | +1.41% | |
| 5.46 | 5.59 | 4.85 | 4.97 | -9.31% | |
| 5.00 | 5.50 | 5.00 | 5.48 | +9.82% | |
| 4.93 | 5.06 | 4.90 | 4.99 | +1.63% | |
| 5.18 | 5.27 | 4.72 | 4.91 | -5.21% | |
| 5.38 | 5.51 | 5.18 | 5.18 | -4.07% | |
| 5.17 | 5.70 | 5.16 | 5.40 | +5.68% | |
| 4.85 | 5.15 | 4.82 | 5.11 | +3.44% | |
| 4.91 | 5.10 | 4.88 | 4.94 | +1.65% | |
| 4.93 | 5.03 | 4.84 | 4.86 | -0.61% | |
| 4.98 | 4.99 | 4.85 | 4.89 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the KOSS chart for longer ranges.