Koss Corporation (KOSS)
Showing Closing Date Range from Apr 24 to Oct 21, 2026 compared to Oct 25, 2025 to Apr 23, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:koss.com
Current Period Close
$3.56
Apr 24, 2026 - Oct 21, 2026
Previous Period Close
$4.48
Oct 25, 2025 - Apr 23, 2026
Net Comparison Delta
$-0.92 (-20.54%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(122 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 20, 2026 | $3.56 | Apr 22, 2026 | $4.33 | -17.78% |
| Oct 19, 2026 | $3.56 | Apr 21, 2026 | $4.23 | -15.84% |
| Oct 16, 2026 | $3.66 | Apr 20, 2026 | $4.13 | -11.38% |
| Oct 15, 2026 | $3.74 | Apr 17, 2026 | $4.17 | -10.31% |
| Oct 14, 2026 | $3.79 | Apr 16, 2026 | $4.10 | -7.56% |
| Oct 13, 2026 | $3.83 | Apr 15, 2026 | $4.02 | -4.73% |
| Oct 12, 2026 | $3.84 | Apr 14, 2026 | $3.92 | -2.04% |
| Oct 09, 2026 | $3.84 | Apr 13, 2026 | $3.86 | -0.52% |
| Oct 08, 2026 | $3.69 | Apr 10, 2026 | $3.86 | -4.40% |
| Oct 07, 2026 | $3.73 | Apr 09, 2026 | $3.86 | -3.37% |
| Oct 06, 2026 | $3.84 | Apr 08, 2026 | $3.80 | +1.05% |
| Oct 05, 2026 | $3.90 | Apr 07, 2026 | $3.77 | +3.45% |
| Oct 02, 2026 | $3.86 | Apr 06, 2026 | $3.80 | +1.58% |
| Sep 29, 2026 | $3.98 | Apr 02, 2026 | $3.68 | +8.15% |
| Sep 28, 2026 | $4.08 | Apr 01, 2026 | $3.74 | +9.09% |
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