Koss Corp key statistics and ratios

In fiscal 2026, Koss Corp had return on equity of -1.3%, an operating margin of -11.6%, debt equal to 0.0% of equity and a current ratio of 13.96. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Koss Corp: financial ratios, annual
Fiscal year	2011Jun 2011	2012Jun 2012	2013Jun 2013	2014Jun 2014	2015Jun 2015	2016Jun 2016	2017Jun 2017	2018Jun 2018	2019Jun 2019	2020Jun 2020	2021Jun 2021	2022Jun 2022	2023Jun 2023	2024Jun 2024	2025Jun 2025	2026Jun 2026	LTMSept 2026
Gross margin	40.6%	38.4%	37.5%	−1.2%	34.9%	34.4%	28.7%	27.9%	31.2%	30.9%	34.4%	37.9%	34.0%	34.1%	37.8%	41.9%	41.9%
Operating margin	15.1%	10.3%	21.4%	−42.0%	2.1%	—	—	−1.5%	1.3%	−2.6%	−2.0%	5.1%	−190.0%	−15.3%	−13.8%	−11.6%	−15.5%
Net margin	10.5%	7.8%	15.2%	−23.3%	2.0%	5.3%	−4.0%	−14.5%	1.4%	−2.5%	2.5%	7.2%	63.5%	−7.8%	−6.9%	−3.0%	−7.2%
Free-cash-flow margin	7.0%	12.0%	7.9%	12.8%	−2.8%	−0.5%	−0.7%	3.3%	5.6%	7.5%	−1.3%	−5.9%	81.2%	−5.3%	−5.6%	0.9%	−13.4%
Return on equity	28.3%	18.1%	28.2%	−30.3%	3.1%	8.0%	−5.4%	−21.5%	2.1%	−3.1%	2.8%	6.0%	30.3%	−3.0%	−2.8%	−1.3%	−2.9%
Return on assets	16.0%	10.5%	17.0%	−18.6%	2.1%	6.0%	−4.1%	−14.8%	1.3%	−2.0%	2.0%	4.5%	24.1%	−2.5%	−2.4%	−1.1%	−2.4%
Asset turnover	1.51	1.35	1.12	0.80	1.04	1.12	1.01	1.02	0.95	0.80	0.80	0.63	0.38	0.32	0.34	0.35	0.33
Current ratio	2.03	1.88	2.38	2.46	3.08	3.85	3.82	3.85	4.31	4.64	7.58	9.33	12.21	16.89	11.65	13.96	14.07
Debt to equity	9.1%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	3.3%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
Interest cover (operating income ÷ interest)	65.7x	47.9x	169.9x	—	40.0x	—	—	n/m	—	—	—	—	—	—	—	n/m	n/m
Effective tax rate	30.8%	27.2%	29.5%	—	3.5%	38.6%	—	—	−9.5%	—	0.8%	0.6%	3.7%	—	—	—	—
R&D as % of revenue	2.2%	3.4%	4.0%	4.3%	0.0%	0.4%	0.9%	1.8%	—	2.2%	2.1%	1.6%	2.2%	1.9%	1.7%	1.8%	—
SG&A as % of revenue	27.5%	32.0%	37.3%	43.9%	32.6%	30.6%	31.6%	29.4%	30.0%	33.6%	36.4%	32.8%	224.0%	49.4%	51.6%	53.5%	57.4%
Capital spending as % of revenue	3.4%	0.9%	1.8%	2.2%	1.3%	1.7%	1.7%	1.1%	0.9%	2.3%	3.1%	0.6%	0.8%	3.8%	3.9%	2.4%	6.3%
Free cash flow ÷ net income	66.9%	154.9%	52.3%	—	−138.2%	−9.7%	—	—	399.8%	—	−50.9%	−82.8%	127.9%	—	—	—	—
Dividends ÷ net income	40.5%	60.3%	32.6%	—	0.0%	—	—	—	—	—	—	—	—	—	—	—	—
Dividends and buybacks ÷ free cash flow	60.6%	38.9%	62.4%	58.0%	—	—	—	—	—	—	—	—	—	—	—	—	—

US$ thousands unless shown otherwise. Fiscal quarters.

Koss Corp: financial ratios, quarterly
Quarter	2025 Q2Dec 2024	2025 Q3Mar 2025	2025 Q4Jun 2025	2026 Q1Sept 2025	2026 Q2Dec 2025	2026 Q3Mar 2026	2026 Q4Jun 2026	2027 Q1Sept 2026
Gross margin	39.5%	39.0%	36.0%	40.0%	29.0%	35.5%	61.0%	39.5%
Operating margin	−4.0%	−18.7%	−14.2%	−1.1%	−35.5%	−25.5%	8.2%	−12.9%
Net margin	2.6%	−11.4%	−7.5%	6.0%	−19.8%	−19.3%	14.6%	−7.6%
Free-cash-flow margin	−8.8%	11.0%	−17.6%	18.7%	−37.5%	−20.8%	31.3%	−31.5%
Current ratio	9.97	10.32	11.65	11.10	12.84	15.36	13.96	14.07
SG&A as % of revenue	43.5%	57.7%	50.3%	41.1%	64.5%	61.0%	52.8%	52.4%

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

2 of 3 checks passed · September 30, 2026

What it owns · $36m

Short-term assets $25mLonger-term assets $11m

What it owes, and who funded it · $36m

Short-term liabilities $2mLonger-term liabilities $5mShareholders' equity $30m

Short-term assets cover short-term liabilities $25m of assets due within a year against $2m of liabilities due within a year.
Short-term assets cover long-term liabilities $25m short-term assets against $5m of longer-dated liabilities.
More cash than debt Cash or debt not separately reported. Not assessable.
Debt below 40% of shareholders' equity Equity or debt not reported. Not assessable.
Debt burden no higher than five years ago Five-year comparison not available. Not assessable.
A year's operating cash flow covers at least 20% of debt Cash flow or debt not reported. Not assessable.
Operating profit covers interest at least five times over Operating income of −$2m against $1,926 of interest.

From Koss Corp's latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

30 /100

Weak moat

How hard Koss's competitive advantage looks for rivals to wear away, judged from 10 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

Returns on capital 0 / 20

Cash operating profit has been a median -3.6% of total assets over 10 years.
Pricing power 10 / 20

Gross margin has been a median 34.3%, moving by 4.4 percentage points (standard deviation) across 10 years.
Durability 10 / 20

Operating margin has been a median -12.0%; its worst year was -128.0%.
Cash conversion 5 / 20

Free cash flow was positive in 5 of 10 years, at a median 0.6% of revenue.
Discipline 10 / 20

The diluted share count rose 27.5% over five years; stock-based pay has been a median 2.4% of revenue.

AI disruption exposure: Medium. In this industry, AI could change how the product is made or sold, without replacing the core asset. The score above includes a 5-point deduction for that exposure (35 before it).

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

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Figures from Koss Corp's SEC filings (10-K and 10-Q), retrieved October 30, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Koss Corp.