Koss Corporation (KOSS) Stock Price History
Historical prices from 2011 to 2026
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KOSS Historical Performance
Short-Term Returns
KOSS Stock Price Trajectory (2011–2026)
As of May 8, 2026, Koss Corporation (KOSS) trades at $4.18, representing a -10.6% return over the past year. The stock has delivered a -75.7% total return over five years (-24.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $127.45 on January 28, 2021. From this peak, KOSS has corrected -96.7%, currently trading 12% below its 200-day moving average, suggesting potential weakness.
When compared to Technology sector peers SONO (+66.0% 1Y), LOGI (+32.9% 1Y), and GPRO (+134.6% 1Y), KOSS has underperformed the peer group average. Compare KOSS vs SONO →
KOSS Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 4.21 | 4.22 | 4.18 | 4.18 | 12K | -2.74% |
| 2026-05-06 | 4.36 | 4.45 | 4.30 | 4.30 | 14K | -2.38% |
| 2026-05-05 | 4.28 | 4.41 | 4.20 | 4.41 | 30K | +4.38% |
| 2026-05-04 | 4.42 | 4.57 | 4.20 | 4.22 | 32K | -3.21% |
| 2026-05-01 | 4.22 | 4.43 | 4.15 | 4.36 | 16K | +0.69% |
| 2026-04-30 | 4.19 | 4.33 | 4.11 | 4.33 | 10K | +3.59% |
| 2026-04-29 | 4.15 | 4.30 | 4.06 | 4.18 | 23K | -2.79% |
| 2026-04-28 | 4.12 | 4.37 | 4.12 | 4.30 | 8K | -1.15% |
| 2026-04-27 | 4.38 | 4.41 | 4.13 | 4.35 | 12K | -1.58% |
| 2026-04-24 | 4.54 | 4.55 | 4.26 | 4.42 | 28K | -1.34% |
| 2026-04-23 | 4.42 | 4.83 | 4.41 | 4.48 | 75K | +2.05% |
| 2026-04-22 | 4.18 | 4.45 | 4.15 | 4.39 | 51K | +6.81% |
| 2026-04-21 | 4.21 | 4.26 | 4.04 | 4.11 | 98K | -0.48% |
| 2026-04-20 | 4.05 | 4.13 | 3.99 | 4.13 | 32K | -0.96% |
| 2026-04-17 | 4.14 | 4.19 | 4.01 | 4.17 | 37K | +1.71% |
| 2026-04-16 | 4.26 | 4.26 | 4.07 | 4.10 | 53K | +1.99% |
| 2026-04-15 | 3.88 | 4.02 | 3.88 | 4.02 | 22K | +2.55% |
| 2026-04-14 | 3.83 | 3.92 | 3.82 | 3.92 | 10K | +1.55% |
| 2026-04-13 | 3.87 | 3.90 | 3.85 | 3.86 | 10K | 0.00% |
| 2026-04-10 | 3.87 | 3.88 | 3.83 | 3.86 | 5K | 0.00% |
| 2026-04-09 | 3.87 | 3.88 | 3.80 | 3.86 | 21K | +1.58% |
| 2026-04-08 | 3.92 | 4.00 | 3.70 | 3.80 | 24K | +0.80% |
| 2026-04-07 | 3.80 | 3.81 | 3.75 | 3.77 | 11K | -2.94% |
| 2026-04-06 | 3.73 | 3.88 | 3.73 | 3.88 | 12K | +5.54% |
| 2026-04-02 | 3.70 | 3.71 | 3.58 | 3.68 | 8K | -1.60% |
| 2026-04-01 | 3.75 | 3.75 | 3.63 | 3.74 | 13K | +4.47% |
| 2026-03-31 | 3.52 | 3.80 | 3.52 | 3.58 | 8K | +2.29% |
| 2026-03-30 | 3.63 | 3.67 | 3.50 | 3.50 | 22K | -2.78% |
| 2026-03-27 | 3.70 | 3.83 | 3.59 | 3.60 | 11K | -3.74% |
| 2026-03-26 | 3.95 | 3.96 | 3.73 | 3.74 | 18K | -4.84% |
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View ValuationCompare KOSS vs NVDA
Side-by-side business, growth, and profitability comparison vs NVIDIA Corporation.
Start ComparisonKOSS — Frequently Asked Questions
Quick answers to the most common questions about buying KOSS stock.
How has KOSS stock performed recently?
KOSS declined -10.6% over the past year, below its 5-year annualized CAGR of -24.7%. 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 -10.6% 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.