ZeroStack Corp. (ZSTK) Key Metrics

NASDAQ: ZSTKValuation, returns, debt and efficiency ratios over 7 years.

ZSTK valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$87.2M
Enterprise value
$85.6M
P/E (TTM)
—
Forward P/E
7.9
PEG ratio
—
Price / sales
2.2
Price / book
6.2
EV / EBITDA
—
Dividend yield
—
Beta
1.93

ZSTK key metrics, 2019–2025

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

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

Return on equity−30.5 pts
−322.0%
2025 · hover or tap a bar for each year
2020: −188.1%2021: −45.4% (+142.6 pts)2022: −78.2% (−32.8 pts)2023: −180.4% (−102.2 pts)2024: −291.5% (−111.1 pts)2025: −322.0% (−30.5 pts)
20192025
Return on invested capital+258.7 pts
−12.4%
2025 · hover or tap a bar for each year
2021: −70.8%2022: −80.6% (−9.8 pts)2023: −138.7% (−58.0 pts)2024: −271.1% (−132.4 pts)2025: −12.4% (+258.7 pts)
20192025
Return on assets−90.7 pts
−154.5%
2025 · hover or tap a bar for each year
2019: −242.5%2020: −137.4% (+105.1 pts)2021: −40.5% (+96.9 pts)2022: −63.0% (−22.5 pts)2023: −109.0% (−46.1 pts)2024: −63.8% (+45.2 pts)2025: −154.5% (−90.7 pts)
20192025
Free cash flow margin−16.0 pts
−24.7%
2025 · hover or tap a bar for each year
2021: −274.3%2022: −51.6% (+222.7 pts)2023: −11.3% (+40.3 pts)2024: −8.7% (+2.6 pts)2025: −24.7% (−16.0 pts)
20192025
Asset turnover−80.9%
0.46
2025 · hover or tap a bar for each year
2019: 0.002020: 0.012021: 0.17 (+1,565.2%)2022: 0.40 (+134.5%)2023: 1.45 (+262.4%)2024: 2.39 (+64.1%)2025: 0.46 (−80.9%)
20192025

ZSTK returns on capital

ROEROICROA

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

ZSTK debt vs cash

Total debtCash & short-term investments

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

ZSTK cash returned to shareholders

DividendsBuybacksFree cash flow

ZSTK key metrics

2019–2025
ZeroStack Corp. key metrics by fiscal year
2025202420232022202120202019
Valuation
Share price at fiscal year-end$6.26$40.17$52.65$177.84$1,388.40——
Returns & profitability
Return on equity (ROE)−322.0%−291.5%−180.4%−78.2%−45.4%−188.1%—
Return on invested capital (ROIC)−12.4%−271.1%−138.7%−80.6%−70.8%——
Return on assets (ROA)−154.5%−63.8%−109.0%−63.0%−40.5%−137.4%−242.5%
Return on tangible assets−207.3%−74.1%−251.5%−131.4%−38.2%−77.2%−317.4%
Free cash flow margin−24.7%−8.7%−11.3%−51.6%−274.3%——
Financial health
Total debt$53.9M$4.9M$3.7M$3.8M$1.3M$649,000$1.3M
Cash & short-term investments$5.6M$6.0M$4.3M$8.9M$37.6M$15.5M$140,000
Net debt$48.3M−$1.1M−$678,000−$5.2M−$36.3M−$14.9M$1.2M
Debt / equity0.761.090.570.070.020.04—
Debt / assets0.410.190.160.050.020.031.13
Current ratio1.011.051.311.797.846.430.21
Quick ratio0.790.740.791.287.346.230.21
Interest coverage-48.1-73.5-547.3—-593.8-476.1-144.7
Working capital$88,000$931,000$5.1M$13.7M$41.8M$14.9M−$1.8M
Invested capital$118.9M$3.4M$5.7M$51.7M$40.9M$1.5M−$105,000
Tangible asset value−$1.4M−$242,000$5.5M$15.3M$47.2M$15.2M−$1.6M
Net current asset value−$51.0M−$2.0M$4.1M$6.6M$39.4M$14.4M−$2.0M
Capital allocation
Dividends paid————$0——
Share buybacks (net)——$0$255,000$0——
Capex / revenue0.4%0.2%0.2%3.9%44.4%220.8%—
Capex / depreciation0.220.170.070.495.212.075.42
Stock-based compensation / revenue3.4%4.7%2.1%10.2%14.9%4,623.6%—
R&D / revenue0.7%0.7%0.1%1.2%1.5%73.6%—
SG&A / revenue3.4%38.8%30.7%86.2%197.7%11,176.4%—
Efficiency
Days sales outstanding41.444.238.579.5138.62,299.3—
Days of inventory on hand34.655.454.0106.799.45,631.4—
Days payables outstanding35.141.140.592.8117.611,142.94,628.6
Cash conversion cycle (days)40.958.652.093.4120.4-3,212.2—
Receivables turnover8.818.269.474.592.630.160.00
Payables turnover10.398.899.013.933.100.030.08
Inventory turnover10.566.586.763.423.670.06—
Asset turnover0.462.391.450.400.170.010.00
Average receivables$4.1M$7.2M$8.0M$7.3M$3.4M$667,744$111,488
Average payables$3.9M$5.3M$6.5M$5.1M$2.1M$1.1M$328,000
Average inventory$3.8M$7.1M$8.6M$5.9M$1.8M$540,000—
Intangibles / total assets55.2%18.1%4.0%50.8%34.9%5.6%23.6%

Computed from ZSTK's annual financial statements (latest annual report filed February 27, 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.

ZSTK valuation and financial ratios

ZeroStack earned a return on equity of −322.0% and a return on invested capital of −12.4% in fiscal 2025. It ended the year with $53.9 million of debt and $5.6 million in cash and short-term investments, net debt of $48.3 million.

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

ZSTK key metrics FAQ

What is ZeroStack's return on equity?

ZeroStack's return on equity (ROE) was −322.0% in fiscal 2025: net income of -$120.9 million on average shareholders' equity of $37.5 million.

What is ZeroStack's ROIC?

ZeroStack's return on invested capital was −12.4% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does ZeroStack have?

ZeroStack had total debt of $53.9 million at the end of fiscal 2025, a debt-to-equity ratio of 0.76.

What is ZeroStack's current ratio?

ZeroStack's current ratio was 1.01 at the end of fiscal 2025: current assets were 1.01 times current liabilities.

Asset Management key metrics