Koss Corporation (KOSS) Stock Price History
Historical prices from 2011 to 2026
Loading 10-year price history...
Historical Performance
Short-Term Returns
KOSS Stock Price Trajectory (2011–2026)
As of March 2, 2026, Koss Corporation (KOSS) trades at $4.13, representing a -25.3% return over the past year. The stock has delivered a -26.3% return over five years, reflecting challenging market conditions.
The stock reached its all-time high of $127.45 on January 28, 2021. From this peak, KOSS has corrected -96.8%, currently trading 19% below its 200-day moving average, suggesting potential weakness.
When compared to Technology sector peers SONY (-7.9% 1Y), SONO (+16.5% 1Y), and TBCH (-26.8% 1Y), KOSS has underperformed the peer group average. Compare KOSS vs SONY →
Historical Price Data
Showing 30 of 3,650 records| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-02-27 | 4.08 | 4.13 | 4.01 | 4.13 | 4 | +1.23% |
| 2026-02-26 | 4.21 | 4.24 | 4.08 | 4.08 | 4 | -2.39% |
| 2026-02-25 | 4.24 | 4.24 | 4.11 | 4.18 | 4 | -1.88% |
| 2026-02-24 | 4.33 | 4.33 | 4.19 | 4.26 | 4 | +1.91% |
| 2026-02-23 | 4.22 | 4.39 | 4.18 | 4.18 | 4 | -1.88% |
| 2026-02-20 | 4.16 | 4.35 | 4.13 | 4.26 | 4 | +2.16% |
| 2026-02-19 | 4.19 | 4.22 | 4.09 | 4.17 | 20K | +0.34% |
| 2026-02-18 | 4.26 | 4.29 | 4.14 | 4.16 | 13K | -4.68% |
| 2026-02-17 | 4.34 | 4.39 | 4.33 | 4.36 | 2K | -0.46% |
| 2026-02-13 | 4.34 | 4.46 | 4.30 | 4.38 | 10K | +1.15% |
| 2026-02-12 | 4.39 | 4.48 | 4.30 | 4.33 | 16K | -1.59% |
| 2026-02-11 | 4.58 | 4.58 | 4.37 | 4.40 | 19K | -3.30% |
| 2026-02-10 | 4.61 | 4.65 | 4.55 | 4.55 | 23K | -0.66% |
| 2026-02-09 | 4.55 | 4.64 | 4.55 | 4.58 | 28K | -2.14% |
| 2026-02-06 | 4.61 | 4.75 | 4.56 | 4.68 | 19K | +2.41% |
| 2026-02-05 | 4.75 | 4.95 | 4.50 | 4.57 | 62K | -4.59% |
| 2026-02-04 | 4.60 | 4.84 | 4.60 | 4.79 | 19K | +3.68% |
| 2026-02-03 | 4.84 | 4.90 | 4.50 | 4.62 | 62K | -4.15% |
| 2026-02-02 | 4.32 | 4.85 | 4.31 | 4.82 | 100K | +11.32% |
| 2026-01-30 | 4.52 | 4.55 | 4.31 | 4.33 | 20K | -3.56% |
| 2026-01-29 | 4.35 | 4.73 | 4.33 | 4.49 | 97K | +3.22% |
| 2026-01-28 | 4.36 | 4.46 | 4.31 | 4.35 | 16K | -0.91% |
| 2026-01-27 | 4.51 | 4.52 | 4.32 | 4.39 | 13K | -2.44% |
| 2026-01-26 | 4.42 | 4.66 | 4.28 | 4.50 | 70K | +1.81% |
| 2026-01-24 | 4.52 | 4.69 | 4.42 | 4.42 | 15K | 0.00% |
| 2026-01-23 | 4.52 | 4.69 | 4.41 | 4.42 | 27K | -1.56% |
| 2026-01-22 | 4.55 | 4.71 | 4.45 | 4.49 | 53K | -0.66% |
| 2026-01-21 | 4.32 | 4.52 | 4.32 | 4.52 | 29K | +5.61% |
| 2026-01-20 | 4.38 | 4.47 | 4.28 | 4.28 | 11K | -4.25% |
| 2026-01-16 | 4.45 | 4.56 | 4.35 | 4.47 | 46K | +1.82% |
See KOSS's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs KOSS Undervalued?
See our Bear / Base / Bull DCF models and intrinsic value estimates.
View ValuationCompare KOSS vs NVDA
See how KOSS stacks up against sector leader NVIDIA Corporation.
Start ComparisonFrequently Asked Questions
How has KOSS stock performed recently?
KOSS declined -25.3% over the past year, below its 5-year annualized CAGR of -26.3%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is KOSS's all-time high price?
Koss Corporation reached $127.45 on 2021-01-28. The 52-week high is $8.59. Current 1-year return of -25.3% places the stock further from historical peaks.
Where can I download KOSS historical price data?
This page provides KOSS daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.