Arqit Quantum Inc. (ARQQ) Key Metrics

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

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. dollars

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

Price / book+703.8%
19.6
FY2025 · hover or tap a bar for each year
FY2022: 8.7FY2023: 1.2 (−86.6%)FY2024: 2.4 (+107.9%)FY2025: 19.6 (+703.8%)
FY2019FY2025
Free cash flow yield+124.3 pts
−5.5%
FY2025 · hover or tap a bar for each year
FY2022: −7.5%FY2023: −62.6% (−55.1 pts)FY2024: −129.9% (−67.3 pts)FY2025: −5.5% (+124.3 pts)
FY2019FY2025

ARQQ valuation history

Fiscal year-endToday7-year median

ARQQ returns on capital

ROEROICROA

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

ARQQ debt vs cash

Total debtCash & short-term investments

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

ARQQ price vs earnings per share

Share price at year-endEPS (right axis)

ARQQ key metrics

FY2019–FY2025
Arqit Quantum Inc. key metrics by fiscal year
FY2025FY2024FY2023FY2022FY2021FY2020FY2019
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—98.4122.295.2———
Price / book19.62.41.28.7———
EV / sales939.738.065.989.5———
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 yield0.0%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 outstanding13.8M5.1M5.3M4.9M———
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 / equity0.030.080.130.10—5.862.49
Debt / assets0.020.040.080.06—0.590.36
Net debt / EBITDA———−0.75——−1.06
Current ratio2.691.943.222.385.290.061.35
Quick ratio2.691.943.222.385.160.081.58
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 / revenue6.2%1,135.8%2,519.2%338.8%19,422.1%——
Capex / operating cash flow——————94.5%
Capex / depreciation0.040.946.1218.91175.57914.0011,759.48
Stock-based compensation / revenue1,070.9%−992.5%2,205.9%301.5%346.5%——
SG&A / revenue6,592.6%10,874.4%9,583.0%768.1%28,586.9%——
Efficiency
Days sales outstanding1,209.32,297.13,106.5217.44,053.7——
Days of inventory on hand———296.41,900.7-1,187.4-1,047,029.8
Days payables outstanding2,174.62,014.62,333.43,845.89,764.2585.1299,546.5
Cash conversion cycle (days)-965.3282.6773.1-3,332.0-3,809.9——
Receivables turnover0.300.160.121.680.090.000.00
Payables turnover0.170.180.160.090.040.620.00
Inventory turnover———1.230.19——
Asset turnover0.020.000.010.060.000.000.00
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 assets3.3%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.

Software - Infrastructure key metrics