Arqit Quantum Inc. (ARQQ) Key Metrics
ARQQ valuation today
Trailing 12 months · as of October 17, 2026- Market cap
- $244.0M
- Enterprise value
- $365.9M
- P/E (TTM)
- —
- Forward P/E
- 18.7
- PEG ratio
- —
- Price / sales
- 224.7 10-yr median 98.4
- Price / book
- 13.8 10-yr median 5.6
- EV / EBITDA
- 1.8
- Dividend yield
- —
- Beta
- 2.79
ARQQ key metrics, FY2019–FY2025
Fiscal year ended September 30, 2025 · U.S. dollarsARQQ valuation Price multiples at each fiscal year-end price.
ARQQ returns How much profit the business earns on the capital it uses.
ARQQ per-share figures Results divided by the shares outstanding at year-end.
ARQQ financial health Debt, liquidity and how easily interest is covered.
ARQQ efficiency & capital use Working capital cycle and where the cash goes.
ARQQ valuation history
ARQQ returns on capital
Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.
ARQQ debt vs cash
Debt includes short- and long-term borrowings and, where reported, lease liabilities.
ARQQ price vs earnings per share
ARQQ key metrics
FY2019–FY2025| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | FY2019 | |
|---|---|---|---|---|---|---|---|
| Valuation | |||||||
| Market capitalization | $534.3M | $28.8M | $78.2M | $686.4M | — | — | — |
| Enterprise value | $498.0M | $11.1M | $42.2M | $645.3M | — | — | — |
| P/E ratio | — | — | — | 10.5 | — | — | — |
| Price / sales | — | 98.4 | 122.2 | 95.2 | — | — | — |
| Price / book | 19.6 | 2.4 | 1.2 | 8.7 | — | — | — |
| EV / sales | 939.7 | 38.0 | 65.9 | 89.5 | — | — | — |
| EV / EBITDA | — | — | — | 11.7 | — | — | — |
| Earnings yield | −6.6% | −189.2% | −90.0% | 9.5% | — | — | — |
| Free cash flow yield | −5.5% | −129.9% | −62.6% | −7.5% | — | — | — |
| Dividend yield | 0.0% | 0.0% | 0.0% | 0.0% | — | — | — |
| Shareholder yield (dividends + buybacks) | 0.0% | 0.0% | 0.0% | 0.0% | — | — | — |
| Share price at fiscal year-end | $38.75 | $5.70 | $14.88 | $140.75 | $501.75 | — | — |
| Per share | |||||||
| Revenue per share | $0.04 | $0.06 | $0.12 | $1.48 | — | — | — |
| Earnings per share | −$2.56 | −$10.79 | −$13.39 | $13.34 | — | — | — |
| Operating cash flow per share | −$2.14 | −$6.74 | −$6.24 | −$5.48 | — | — | — |
| Free cash flow per share | −$2.15 | −$7.40 | −$9.31 | −$10.49 | — | — | — |
| Cash per share | $2.68 | $3.70 | $8.45 | $10.04 | — | — | — |
| Book value per share | $1.98 | $2.34 | $12.67 | $16.11 | — | — | — |
| Tangible book value per share | $1.87 | $1.99 | $12.02 | $7.85 | — | — | — |
| Dividends per share | $0.00 | $0.00 | $0.00 | $0.00 | — | — | — |
| Capex per share | $0.00 | $0.66 | $3.07 | $5.01 | — | — | — |
| Debt per share | $0.05 | $0.20 | $1.60 | $1.61 | — | — | — |
| Shares outstanding | 13.8M | 5.1M | 5.3M | 4.9M | — | — | — |
| Change in shares outstanding | +172.5% | −3.8% | +7.8% | — | — | — | — |
| Returns & profitability | |||||||
| Return on equity (ROE) | −181.0% | −139.1% | −97.0% | 291.1% | — | −50.4% | 78.5% |
| Return on invested capital (ROIC) | — | — | −126.6% | — | — | −19.4% | −210.2% |
| Return on assets (ROA) | −101.6% | −86.3% | −62.9% | 54.8% | −441.7% | −6.1% | 11.3% |
| Return on tangible assets | −85.3% | −218.5% | −73.0% | 77.9% | −284.6% | −106.4% | 20.2% |
| Free cash flow margin | — | — | — | −709.2% | — | — | — |
| Income quality (OCF / net income) | — | — | — | −0.41 | — | — | 3.69 |
| Financial health | |||||||
| Total debt | $719,000 | $990,000 | $8.4M | $7.8M | — | $5.5M | $3.3M |
| Cash & short-term investments | $37.0M | $18.7M | $44.5M | $49.0M | $87.0M | $195,000 | $4.2M |
| Net debt | −$36.3M | −$17.7M | −$36.1M | −$41.1M | −$87.0M | $5.3M | −$929,056 |
| Debt / equity | 0.03 | 0.08 | 0.13 | 0.10 | — | 5.86 | 2.49 |
| Debt / assets | 0.02 | 0.04 | 0.08 | 0.06 | — | 0.59 | 0.36 |
| Net debt / EBITDA | — | — | — | −0.75 | — | — | −1.06 |
| Current ratio | 2.69 | 1.94 | 3.22 | 2.38 | 5.29 | 0.06 | 1.35 |
| Quick ratio | 2.69 | 1.94 | 3.22 | 2.38 | 5.16 | 0.08 | 1.58 |
| Interest coverage | -732.7 | -110.7 | -191.9 | -235.7 | -160.1 | -2.1 | -9.4 |
| Working capital | $25.1M | $11.5M | $59.5M | $32.8M | $73.2M | −$7.4M | $1.3M |
| Invested capital | −$9.0M | −$5.9M | $30.6M | $37.4M | −$120.8M | $6.2M | $393,947 |
| Tangible asset value | $25.8M | $10.1M | $63.2M | $38.3M | −$52.1M | −$7.8M | −$2.7M |
| Net current asset value | $24.4M | $8.8M | $53.2M | $11.3M | −$57.3M | −$7.9M | −$2.7M |
| Graham number | — | — | — | $69.54 | — | — | — |
| Graham net-net per share | $1.71 | $0.82 | $2.61 | $1.93 | — | — | — |
| Capital allocation | |||||||
| Dividends paid | $0 | $0 | $0 | $0 | $0 | — | — |
| Dividend payout ratio | — | — | — | 0.0% | — | — | — |
| Capex / revenue | 6.2% | 1,135.8% | 2,519.2% | 338.8% | 19,422.1% | — | — |
| Capex / operating cash flow | — | — | — | — | — | — | 94.5% |
| Capex / depreciation | 0.04 | 0.94 | 6.12 | 18.91 | 175.57 | 914.00 | 11,759.48 |
| Stock-based compensation / revenue | 1,070.9% | −992.5% | 2,205.9% | 301.5% | 346.5% | — | — |
| SG&A / revenue | 6,592.6% | 10,874.4% | 9,583.0% | 768.1% | 28,586.9% | — | — |
| Efficiency | |||||||
| Days sales outstanding | 1,209.3 | 2,297.1 | 3,106.5 | 217.4 | 4,053.7 | — | — |
| Days of inventory on hand | — | — | — | 296.4 | 1,900.7 | -1,187.4 | -1,047,029.8 |
| Days payables outstanding | 2,174.6 | 2,014.6 | 2,333.4 | 3,845.8 | 9,764.2 | 585.1 | 299,546.5 |
| Cash conversion cycle (days) | -965.3 | 282.6 | 773.1 | -3,332.0 | -3,809.9 | — | — |
| Receivables turnover | 0.30 | 0.16 | 0.12 | 1.68 | 0.09 | 0.00 | 0.00 |
| Payables turnover | 0.17 | 0.18 | 0.16 | 0.09 | 0.04 | 0.62 | 0.00 |
| Inventory turnover | — | — | — | 1.23 | 0.19 | — | — |
| Asset turnover | 0.02 | 0.00 | 0.01 | 0.06 | 0.00 | 0.00 | 0.00 |
| Average receivables | $1.8M | $1.8M | $5.4M | $4.3M | $532,091 | $517,261 | $883,522 |
| Average payables | $4.5M | $10.4M | $14.6M | $13.6M | $5.0M | $254,884 | $252,768 |
| Average inventory | — | — | — | $1.0M | $973,769 | −$517,260 | −$883,521 |
| Intangibles / total assets | 3.3% | 6.5% | 3.4% | 32.5% | 16.0% | 94.3% | 44.1% |
Computed from ARQQ's annual financial statements (latest annual report filed December 9, 2025) 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.
ARQQ valuation and financial ratios
Arqit Quantum earned a return on equity of −181.0% in fiscal 2025. It ended the year with $0.7 million of debt and $37.0 million in cash and short-term investments, a net cash position of $36.3 million.
See the ARQQ income statement, the ARQQ chart for price history, or the ARQQ stock overview for the latest quote and news.
ARQQ key metrics FAQ
What is Arqit Quantum's return on equity?
Arqit Quantum's return on equity (ROE) was −181.0% in fiscal 2025: net income of -$35.3 million on average shareholders' equity of $19.5 million.
How much debt does Arqit Quantum have?
Arqit Quantum had total debt of $0.7 million at the end of fiscal 2025, a debt-to-equity ratio of 0.03 and more cash than debt.
Does Arqit Quantum pay a dividend?
Arqit Quantum did not pay a dividend in fiscal 2025.
What is Arqit Quantum's free cash flow yield?
Arqit Quantum generated -$29.6 million of free cash flow in fiscal 2025, a free cash flow yield of −5.5% on its market value at year-end ($534.3 million).
What is Arqit Quantum's current ratio?
Arqit Quantum's current ratio was 2.69 at the end of fiscal 2025: current assets were 2.69 times current liabilities.