Growth & profitability
- Revenue has declined 7.8% per year over the past 5 years.
- Operating margin has contracted, at -11.6% in the latest year.
Financial health
- Operating income covered interest expense -714.8× in the latest year.
KOSS Financials KOSS CORP
14 years of revenue, profit, cash flow and balance-sheet history through FY2026, from SEC filings — with a computed, factual read of the trend. Updated Overview →
RevenueNet income
GrossOperatingNet
ROEROA
Free cash flow
CashTotal debt
OperatingInvestingFinancing
Key annual figures
| FY | Revenue | Net income | Gross M | Op M | ROE | ROA | FCF | Total debt | Cash |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | $13M | -$391464 | 41.9% | -11.6% | -1.3% | -1.1% | $122721 | — | $3M |
| 2025 | $13M | -$874831 | 37.8% | -13.8% | -2.9% | -2.4% | -$705625 | — | $3M |
| 2024 | $12M | -$950911 | 34.1% | -15.3% | -3.1% | -2.6% | -$652291 | — | $3M |
| 2023 | $13M | $8M | 34.0% | -190.0% | 26.2% | 21.3% | $11M | — | $3M |
| 2022 | $18M | $1M | 37.9% | 5.1% | 5.5% | 4.2% | -$1M | — | $9M |
| 2021 | $20M | $493594 | 34.4% | -2.0% | 2.5% | 1.9% | -$251415 | — | $7M |
| 2020 | $18M | -$465597 | 30.9% | -2.6% | -3.1% | -2.1% | $1M | — | $4M |
| 2019 | $22M | $305989 | 31.2% | 1.3% | 2.0% | 1.3% | $1M | — | $2M |
| 2018 | $24M | -$3M | 27.9% | -1.5% | -24.0% | -15.0% | $780469 | — | $1M |
| 2017 | — | -$963636 | — | — | -5.5% | -4.1% | — | — | $432283 |
| 2016 | — | $1M | — | — | 7.6% | 5.8% | — | — | $735393 |
| 2015 | — | $482613 | — | — | 3.0% | 2.2% | — | — | $1M |
| 2014 | — | -$6M | — | — | -36.4% | -22.8% | — | — | $2M |
| 2013 | — | $5M | — | — | 25.4% | 15.4% | — | — | $859636 |
RevenueNet income
GrossOperatingNet
ROEROA
Free cash flow
CashTotal debt
OperatingInvestingFinancing
Key quarterly figures
| Quarter | Revenue | Net income | Gross M | Op M | ROE | ROA | FCF | Total debt | Cash |
|---|---|---|---|---|---|---|---|---|---|
| Jun '26 | $3M | $476801 | 61.0% | 8.2% | 1.6% | 1.3% | $1M | — | $3M |
| Mar '26 | $3M | -$546587 | 35.5% | -25.5% | -1.8% | -1.5% | -$586309 | — | $2M |
| Dec '25 | $3M | -$565407 | 29.0% | -35.5% | -1.9% | -1.5% | -$1M | — | $2M |
| Sep '25 | $4M | $243729 | 40.0% | -1.1% | 0.8% | 0.6% | $761517 | — | $3M |
| Jun '25 | $3M | -$232696 | 36.0% | -14.2% | -0.8% | -0.6% | -$541847 | — | $3M |
| Mar '25 | $3M | -$316742 | 39.0% | -18.7% | -1.0% | -0.8% | $306194 | — | $3M |
| Dec '24 | $4M | $94142 | 39.5% | -4.0% | 0.3% | 0.3% | -$314333 | — | $3M |
| Sep '24 | $3M | -$419535 | 36.6% | -19.9% | -1.4% | -1.1% | -$155639 | — | $3M |
| Jun '24 | $3M | -$110369 | 40.4% | -11.0% | -0.4% | -0.3% | -$174773 | — | $3M |
| Mar '24 | $3M | -$313780 | 31.9% | -23.1% | -1.0% | -0.8% | $269261 | — | $3M |
| Dec '23 | $3M | -$269153 | 33.0% | -14.2% | -0.9% | -0.7% | $279186 | — | $3M |
| Sep '23 | $3M | -$257609 | 31.6% | -13.9% | -0.8% | -0.7% | -$1M | — | $2M |
| Jun '23 | $3M | -$259840 | 26.7% | -19.9% | -0.8% | -0.7% | $88724 | — | $3M |
| Mar '23 | $3M | -$224480 | 38.6% | -13.2% | -0.7% | -0.6% | $60393 | — | $3M |
| Dec '22 | $3M | -$1M | 34.6% | -41.1% | -3.6% | -2.9% | -$1M | — | $5M |
| Sep '22 | $3M | $10M | 35.5% | -668.4% | 30.0% | 24.2% | $12M | — | $21M |
| Jun '22 | $4M | $385595 | 37.8% | 8.9% | 1.7% | 1.3% | -$279765 | — | $9M |
| Mar '22 | $5M | $403204 | 42.4% | 8.6% | 1.8% | 1.4% | -$315054 | — | $9M |
| Dec '21 | $4M | $578969 | 35.1% | 7.3% | 2.7% | 2.0% | $529418 | — | $8M |
| Sep '21 | $4M | -$99359 | 36.2% | -4.6% | -0.5% | -0.4% | -$985287 | — | $7M |
Valuation over time
How the market has priced KOSS against its own fundamentals since 2023-03 — each month-end's share price set against the most recent annual filing, so the multiple moves as price runs ahead of (or behind) earnings. Split-adjusted.
- The price-to-earnings ratio has fallen from 34.7× (Mar '23) to 5.1× (Jun '24).
- The price-to-sales ratio has risen from 2.5× (Mar '23) to 2.5× (Sep '26).
P/E
P/S
Frequently asked questions
Is KOSS growing its revenue and profit?
Over the past 5 years, KOSS CORP's revenue has declined 7.8% per year. These are computed facts, not advice.
How much debt does KOSS have?
As of FY2026, KOSS CORP reported — of total debt against $3M of cash; operating income covered interest expense -714.8×.
What is KOSS's profit margin?
In FY2026, gross margin was 41.9%, operating margin -11.6%, and net margin -3.0%.
What is KOSS's P/E ratio?
As of Sep '26, KOSS CORP traded at a price-to-earnings ratio of about 5.1× (market cap ÷ latest annual net income). The valuation charts above show how its P/E, P/S have moved with the share price. These are computed facts, not advice.
Where does this data come from?
All figures are extracted from the company’s SEC EDGAR/XBRL filings — 10-K annual reports and 10-Q quarterly reports (use the Annual / Quarterly toggle). Quarterly figures are derived from the as-filed statements (year-to-date amounts are differenced into discrete quarters). Growth rates and ratios are computed by tradmap; nothing here is investment advice.
Source: SEC EDGAR / XBRL (10-K + 10-Q filings) · prices EOD (Databento), corporate-action-adjusted · growth rates, valuation multiples & ratios computed by tradmap. Valuation uses each month-end price against the latest annual filing. Informational only — not investment advice.