Nyxoah S.A. (NYXH) Key Metrics

NASDAQ: NYXHValuation, returns, debt and efficiency ratios over 9 years.

NYXH key metrics, 2017–2025

Fiscal year ended December 31, 2025 · euros

NYXH returns How much profit the business earns on the capital it uses.

Return on equity−54.9 pts
−111.0%
2025 · hover or tap a bar for each year
2017: −229.1%2018: −121.2% (+107.9 pts)2019: −129.0% (−7.8 pts)2020: −20.1% (+108.9 pts)2021: −20.6% (−0.5 pts)2022: −23.2% (−2.6 pts)2023: −39.6% (−16.4 pts)2024: −56.1% (−16.5 pts)2025: −111.0% (−54.9 pts)
20172025
Return on invested capital−50.2 pts
−140.1%
2025 · hover or tap a bar for each year
2019: −259.1%2020: −68.6% (+190.5 pts)2021: −92.4% (−23.7 pts)2022: −82.6% (+9.7 pts)2023: −78.9% (+3.7 pts)2024: −89.9% (−11.0 pts)2025: −140.1% (−50.2 pts)
20172025
Return on assets−23.2 pts
−65.1%
2025 · hover or tap a bar for each year
2017: −93.1%2018: −62.3% (+30.7 pts)2019: −48.3% (+14.1 pts)2020: −15.6% (+32.6 pts)2021: −17.8% (−2.2 pts)2022: −19.7% (−1.9 pts)2023: −32.0% (−12.3 pts)2024: −41.9% (−9.9 pts)2025: −65.1% (−23.2 pts)
20172025
Asset turnover+126.2%
0.07
2025 · hover or tap a bar for each year
2017: 0.002018: 0.002019: 0.002020: 0.002021: 0.01 (+523.1%)2022: 0.02 (+254.6%)2023: 0.03 (+65.3%)2024: 0.03 (−0.6%)2025: 0.07 (+126.2%)
20172025

NYXH returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

NYXH debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

NYXH key metrics in euros

2017–2025
Nyxoah S.A. key metrics by fiscal year
202520242023202220212020201920182017
Returns & profitability
Return on equity (ROE)−111.0%−56.1%−39.6%−23.2%−20.6%−20.1%−129.0%−121.2%−229.1%
Return on invested capital (ROIC)−140.1%−89.9%−78.9%−82.6%−92.4%−68.6%−259.1%——
Return on assets (ROA)−65.1%−41.9%−32.0%−19.7%−17.8%−15.6%−48.3%−62.3%−93.1%
Return on tangible assets−131.8%−54.8%−55.7%−29.4%−19.0%−10.2%−79.6%−50.5%−93.1%
Free cash flow margin−681.6%————————
Financial health
Total debt€42.1M€22.7M€12.7M€11.9M€11.7M€14.1M€9.7M€5.8M€5.3M
Cash & short-term investments€48.0M€85.6M€57.7M€94.9M€135.5M€112.9M€6.6M€16.8M€10.1M
Net debt−€5.9M−€62.9M−€45.0M−€83.0M−€123.8M−€98.8M€3.1M−€11.0M−€4.8M
Debt / equity0.860.200.130.100.080.123.640.561.16
Debt / assets0.360.140.100.080.070.100.570.320.47
Current ratio1.254.564.736.7212.1014.701.828.776.11
Quick ratio1.164.344.506.6612.0714.691.829.146.44
Interest coverage-49.0-30.9-37.4-137.1-68.0-56.7-12.1-291.4-274.1
Working capital€12.3M€76.6M€53.9M€85.3M€128.5M€107.3M€4.0M€15.5M€8.9M
Invested capital€43.2M€50.4M€53.0M€37.4M€24.8M€20.1M€5.7M−€536,000−€314,000
Tangible asset value−€1.0M€62.9M€51.4M€80.4M€123.3M€99.5M−€3.8M€10.5M€4.5M
Net current asset value−€8.2M€52.9M€42.2M€74.5M€117.9M€94.5M−€5.5M€10.0M€4.1M
Capital allocation
Dividends paid€0€0€0€0€0€0———
Capex / revenue8.0%134.3%252.1%530.1%1,387.0%15,478.3%———
Capex / depreciation0.182.234.648.467.1117.2313.360.811.05
Stock-based compensation / revenue48.8%87.8%60.1%87.5%149.1%3,694.2%———
R&D / revenue427.4%759.2%636.1%514.3%698.6%4,217.4%———
SG&A / revenue463.4%629.5%474.8%611.4%1,304.3%16,442.0%———
Efficiency
Days sales outstanding252.8475.8329.8280.7968.911,578.8———
Days of inventory on hand463.1944.4462.5194.9248.9818.8—-2,508.8-2,351.4
Days payables outstanding863.1923.2658.5677.22,318.918,315.0811.31,909.91,590.8
Cash conversion cycle (days)-147.2497.0133.9-201.6-1,101.0-5,917.4———
Receivables turnover1.440.771.111.300.380.030.000.000.00
Payables turnover0.420.400.550.540.160.020.450.190.23
Inventory turnover0.790.390.791.871.470.45———
Asset turnover0.070.030.030.020.010.000.000.000.00
Average receivables€6.9M€5.9M€3.9M€2.4M€2.3M€2.2M€1.5M€389,000€46,000
Average payables€8.7M€3.9M€3.0M€2.1M€1.9M€1.5M€1.1M€497,500€389,000
Average inventory€4.7M€4.0M€2.1M€614,000€206,648€67,295—−€653,500−€575,000
Intangibles / total assets42.3%31.8%37.5%27.4%14.8%13.9%37.7%0.0%0.0%

Computed from NYXH's annual financial statements (latest annual report filed March 26, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in euros; data from EODHD. Averages use the opening and closing balance of each year.

NYXH valuation and financial ratios

Nyxoah earned a return on equity of −111.0% and a return on invested capital of −140.1% in fiscal 2025. It ended the year with €42.1 million of debt and €48.0 million in cash and short-term investments, a net cash position of €5.9 million.

See the NYXH income statement, the NYXH chart for price history, or the NYXH stock overview for the latest quote and news.

NYXH key metrics FAQ

What is Nyxoah's return on equity?

Nyxoah's return on equity (ROE) was −111.0% in fiscal 2025: net income of -€90.1 million on average shareholders' equity of €81.2 million.

What is Nyxoah's ROIC?

Nyxoah's return on invested capital was −140.1% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Nyxoah have?

Nyxoah had total debt of €42.1 million at the end of fiscal 2025, a debt-to-equity ratio of 0.86 and more cash than debt.

Does Nyxoah pay a dividend?

Nyxoah did not pay a dividend in fiscal 2025.

What is Nyxoah's current ratio?

Nyxoah's current ratio was 1.25 at the end of fiscal 2025: current assets were 1.25 times current liabilities.

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