ENDRA Life Sciences Inc. (NDRA) Key Metrics

NASDAQ: NDRAValuation, returns, debt and efficiency ratios over 10 years.

NDRA valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$7.1M
Enterprise value
$8.5M
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
—
Price / book
1.5
10-yr median 175.7
EV / EBITDA
—
Dividend yield
—
Beta
−0.08

NDRA key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

NDRA valuation Price multiples at each fiscal year-end price.

Price / book−42.5%
1.6
2025 · hover or tap a bar for each year
2019: 231.62020: 175.7 (−24.1%)2021: 229.8 (+30.8%)2024: 2.72025: 1.6 (−42.5%)
20162025
Free cash flow yield−40.3 pts
−145.8%
2025 · hover or tap a bar for each year
2019: −0.8%2020: −0.9% (−0.1 pts)2021: −0.5% (+0.4 pts)2022: −0.1% (+0.4 pts)2023: −0.2% (−0.1 pts)2024: −105.6% (−105.4 pts)2025: −145.8% (−40.3 pts)
20162025

NDRA valuation history

Fiscal year-endToday10-year median

NDRA returns on capital

ROEROICROA

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

NDRA debt vs cash

Total debtCash & short-term investments

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

NDRA cash returned to shareholders

DividendsBuybacksFree cash flow

NDRA price vs earnings per share

Share price at year-endEPS (right axis)

NDRA key metrics

2016–2025
ENDRA Life Sciences Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$3.6M$7.0M$6.34B$13.75B$2.48B$1.26B$1.10B———
Enterprise value$3.3M$4.6M$6.33B$13.74B$2.47B$1.25B$1.10B———
Price / book1.62.7——229.8175.7231.6———
Earnings yield−197.1%−163.8%−0.2%−0.1%−0.5%−0.9%−1.2%———
Free cash flow yield−145.8%−105.6%−0.2%−0.1%−0.5%−0.9%−0.8%———
Dividend yield—0.1%0.0%0.0%0.0%0.0%0.4%———
Shareholder yield (dividends + buybacks)—0.1%0.0%0.0%0.0%0.0%0.4%———
Share price at fiscal year-end$4.53$6.26$3,710.00$7,122.50$1,211.00$1,312.50$2,940.00$2,625.00$8,505.00—
Per share
Revenue per share$0.00$0.00$0.00$0.00$0.00$0.00$0.00———
Earnings per share−$8.93−$10.25−$5.89−$6.83−$5.49−$12.22−$35.48———
Operating cash flow per share−$6.59−$6.59−$5.59−$6.62−$5.44−$11.22−$22.90———
Free cash flow per share−$6.61−$6.61−$5.61−$6.72−$5.46−$11.28−$23.02———
Cash per share$0.97$2.88$1.66$2.53$4.62$7.53$16.46———
Book value per share$2.87$2.28$3.31$3.73$5.27$7.47$12.70———
Tangible book value per share$0.32$2.28$3.31$3.73$5.27$7.47$12.70———
Dividends per share—$0.00$0.00$0.00$0.06$0.41$11.25———
Capex per share$0.02$0.01$0.02$0.10$0.02$0.05$0.12———
Debt per share$0.63$0.67$0.23$0.28$0.39$0.80$2.06———
Shares outstanding787K1.1M1.7M1.9M2.0M960K375K———
Change in shares outstanding−29.9%−34.3%−11.5%−5.7%+113.2%+155.9%————
Returns & profitability
Return on equity (ROE)−291.6%−280.0%−156.4%−146.5%−125.1%−196.6%−241.7%−170.0%−245.4%—
Return on invested capital (ROIC)−438.8%−517.2%−273.3%−417.4%−641.9%—————
Return on assets (ROA)−169.2%−205.4%−125.5%−119.0%−103.8%−147.1%−184.8%−146.8%−162.6%−567.9%
Return on tangible assets−381.1%−258.5%−148.9%−142.1%−87.2%−133.8%−185.4%−135.6%−87.8%−565.5%
Free cash flow margin————————−941.0%−255.2%
Financial health
Total debt$492,352$754,139$394,403$546,631$796,094$769,342$773,267$23$0$949,976
Cash & short-term investments$762,365$3.2M$2.8M$4.9M$9.5M$7.2M$6.2M$6.5M$5.6M$144,953
Net debt−$270,013−$2.5M−$2.4M−$4.3M−$8.7M−$6.5M−$5.4M−$6.5M−$5.6M$805,023
Debt / equity0.220.290.070.080.070.110.160.000.00—
Debt / assets0.130.170.060.060.060.090.110.000.001.94
Current ratio1.295.673.365.007.838.323.157.136.930.14
Quick ratio1.295.670.453.457.007.723.107.076.710.11
Interest coverage———-611.0-43.1-49.5-4.6-12.4——
Working capital$217,013$2.8M$2.1M$6.8M$10.6M$7.2M$4.5M$6.0M$5.0M−$1.2M
Invested capital$2.0M$85,025$3.2M$2.9M$2.1M$711,347−$640,270−$223,144−$326,390−$88,744
Tangible asset value$250,160$2.6M$5.7M$7.2M$10.8M$7.2M$4.8M$6.2M$5.3M−$893,767
Net current asset value−$625,708$1.5M$1.9M$6.5M$10.0M$6.6M$4.1M$6.0M$5.0M−$1.2M
Graham net-net per share−$1.06$1.19$0.63$2.15$3.42$6.48$10.41———
Capital allocation
Dividends paid—$5,233$840$7,790$121,071$395,551$4.2M———
Share buybacks (net)—————$0$0$0$0$0
Capex / revenue———————1,619.7%2.2%1.5%
Capex / depreciation0.110.080.120.860.200.310.381.460.130.12
Stock-based compensation / revenue———————22.2%0.3%44.7%
R&D / revenue———————76,489.6%549.2%96.1%
SG&A / revenue———————65,033.6%817.3%305.7%
Efficiency
Days sales outstanding———————4,501.17.1—
Days of inventory on hand——3,490.03,061.11,524.1776.5274.3—244.8107.6
Days payables outstanding—557.7645.61,094.6971.01,856.93,030.6—1,064.7238.8
Cash conversion cycle (days)————————-812.8—
Receivables turnover—————0.000.000.0851.33—
Payables turnover—0.650.570.330.380.200.120.000.341.53
Inventory turnover——0.100.120.240.471.330.001.493.39
Asset turnover0.000.000.000.000.000.000.000.000.111.05
Average receivables——−$2.6M—−$478,602$253,774$131,086$76,137$6,850—
Average payables$326,326$315,042$487,181$702,506$596,981$840,670$954,952$705,866$504,002$154,344
Average inventory——$2.6M$2.0M$937,099$351,531$86,443$125,562$115,892$69,554
Intangibles / total assets52.2%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%

Computed from NDRA's annual financial statements (latest annual report filed March 31, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

NDRA valuation and financial ratios

ENDRA Life Sciences earned a return on equity of −291.6% and a return on invested capital of −438.8% in fiscal 2025. It ended the year with $0.5 million of debt and $0.8 million in cash and short-term investments, a net cash position of $0.3 million.

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

NDRA key metrics FAQ

What is ENDRA Life Sciences's return on equity?

ENDRA Life Sciences's return on equity (ROE) was −291.6% in fiscal 2025: net income of -$7.0 million on average shareholders' equity of $2.4 million.

What is ENDRA Life Sciences's ROIC?

ENDRA Life Sciences's return on invested capital was −438.8% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does ENDRA Life Sciences have?

ENDRA Life Sciences had total debt of $0.5 million at the end of fiscal 2025, a debt-to-equity ratio of 0.22 and more cash than debt.

What is ENDRA Life Sciences's free cash flow yield?

ENDRA Life Sciences generated -$5.2 million of free cash flow in fiscal 2025, a free cash flow yield of −145.8% on its market value at year-end ($3.6 million).

What is ENDRA Life Sciences's current ratio?

ENDRA Life Sciences's current ratio was 1.29 at the end of fiscal 2025: current assets were 1.29 times current liabilities.

Diagnostics & Research key metrics