
Koss fell 33.9% from $5.01 to $3.31, behind the S&P 500's +11.2%. Its worst day was Nov 2 (−7.7%), and its low came Nov 5 at $3.03.
Nov 11, 2025 – Nov 11, 2026 · picked from earnings, analyst actions, headlines and the biggest daily moves
Koss closed at its highest level of the year, 1.0% above where the year started.
+5.2% · S&P 500 +0.5%
EPS of $-0.06 was reported on $2.9M revenue.
−3.6% · S&P 500 −0.3%
Story events cover the past 12 months · Times ET
Koss shares rose 10.8%, while the S&P 500 rose 1.1%.
+10.8% · S&P 500 +1.1%
EPS of $-0.06 was reported on $2.8M revenue.
−1.0% · S&P 500 +0.8%
EPS of $0.05 was reported on $3.3M revenue.
+2.3% · S&P 500 −0.2%
Koss shares rose 12.9%, while the S&P 500 fell 0.7%.
+12.9%, the year's best day, on 478K shares, the year's heaviest volume · S&P 500 −0.7%
EPS of $-0.02 was reported on $3.1M revenue.
−0.6% · S&P 500 −1.8%
Where it ended: a close of $3.31 on Nov 11, 2026. Up next: Q2 2027 earnings on Jan 28, 2027.
Nothing in the past 12 months.
All KOSS analyst actionsNothing in the past 12 months.
All KOSS dividend historyChart by ChartIQ. Events, ratings, quote and fundamentals from Benzinga APIs. Daily bars for KOSS and SPY from Benzinga historical bars. Not investment advice.