ARQQ vs RGTI Stock Comparison

Arqit Quantum and Rigetti Computing Prices as of Oct 23, 2026 Peers: Industry group
ARQQ Arqit Quantum Inc.
$16.41 -27.2% 1M -58.0% 1Y
Market cap
$224.75M
P/E
–
Revenue (TTM)
—
Div. yield
–
Quantum Computing Technology
1 win
RGTI Rigetti Computing, Inc.
$11.52 -28.0% 1M -70.9% 1Y
Market cap
$3.81B
P/E
–
Revenue (TTM)
$13.35M
Div. yield
–
Quantum Computing Technology
3 wins

Head to Head

4 decided of 12

Rigetti Computing leads on 3 of the 12 questions below (Rigetti Computing 3, Arqit Quantum 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionARQQRGTILeader
Larger companyMarket capitalisation $224.75M $3.81B RGTI
Cheaper on earningsLower P/E, profitable companies only — -16.0x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — –
Faster revenue growthRevenue growth, trailing twelve months — +68.5% –
More profitableNet margin, trailing twelve months — -1,787.4% –
Better return on capitalReturn on invested capital — — –
Less leveragedLower net debt / EBITDA — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -58.0% -70.9% ARQQ
Better 5-year returnAnnualised price return, 5 years -47.6%/yr +2.7%/yr RGTI
Less volatileAnnualised volatility, 1 year 111.5% 93.8% RGTI
Higher overall scoreMean of the five percentile scores vs peers — 32/100 –

Percentile Scorecard

ARQQRGTI

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisARQQRGTI
Valuation – 15 #106 of 124
Growth – 20 #91 of 113
Profitability – 9 #100 of 110
Financial Health 84 #22 of 129 89 #15 of 129
Shareholder Returns – 28 #49 of 68
Overall – 32
  • ARQQ ranked among 137 companies in Infrastructure Software
  • RGTI ranked among 137 companies in Infrastructure Software

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodARQQRGTISPY
1 month -27.2%-28.0% -1.0%
3 months -1.4%-18.6% +2.9%
6 months +12.9%-30.6% +6.4%
Year to date -25.0%-48.0% +11.4%
1 year -58.0%-70.9% +13.1%
3 years +49.2%+786.2% +79.4%
3 years, per year +14.3%+107.0% +21.5%
5 years -96.0%+14.3% +67.7%
5 years, per year -47.6%+2.7% +10.9%

Risk

MeasureARQQRGTISPY
Volatility, 1Y 111.5%93.8% 12.7%
Downside volatility, 1Y 103.0%90.6% 12.7%
Beta vs S&P 500, 1Y 4.123.85 1.00
Return / volatility, 1Y -0.52-0.76 1.03
Max drawdown, 5Y -99.6%-96.9% -25.4%
From 52-week high -65.1%-74.0% -2.5%
52-week high $47.04$44.27 $779.14
52-week low $11.78$11.48 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleARQQRGTI
P/E now vs peer median —median 37.4x -16.1xmedian 37.4x
P/S now vs peer median —median 4.4x 287.9xmedian 4.4x
EV/EBITDA now vs peer median —median 35.0x -39.6xmedian 35.0x
P/FCF now vs peer median —median 27.2x -43.9xmedian 27.2x
P/B now vs peer median 8.8xmedian 3.4x 7.2xmedian 3.4x
PEG now vs peer median —median 1.27 4.07median 1.27

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsARQQRGTI
Revenue – $13.35M
Gross profit – $4.62M
Operating income – -$97.16M
Net income – -$238.67M
Free cash flow – -$87.58M
R&D – $73.05M
EPS (diluted) – $-0.72
Cash & equivalents $28.86M $27.76M
Shares (diluted) 13.79M 333.22M
Enterprise value $115.42M $2.10B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricARQQRGTI
P/E – -16.1x
P/FCF – -43.9x
P/Operating cash flow – -63.3x
P/S – 287.9x
P/B 8.8x 7.2x
P/Tangible book 9.5x 7.2x
EV/EBITDA – -39.6x
EV/EBIT – -35.5x
EV/Revenue – 258.4x
EV/FCF – -39.4x
EV/Operating cash flow – -56.8x
PEG (3Y EPS CAGR) – 4.07

Growth

14 metrics
MetricARQQRGTI
Revenue growth (1Y) – 68.5%
Revenue CAGR (3Y) – -2.5%
Gross profit growth (1Y) – 43.8%
Gross profit CAGR (3Y) – -26.6%
Operating income growth (1Y) – -25.6%
Operating income CAGR (3Y) – -0.3%
Net income growth (1Y) – -44.8%
Net income CAGR (3Y) – -42.8%
EPS growth (1Y) – -29.6%
EPS CAGR (3Y) – -4.0%
Operating cash flow growth (1Y) – -12.9%
Operating cash flow CAGR (3Y) – 0.3%
Free cash flow growth (1Y) – -33.6%
Free cash flow CAGR (3Y) – -3.5%

Profitability

14 metrics
MetricARQQRGTI
Gross margin – 34.6%
EBITDA margin – -653.3%
Operating margin – -727.6%
Pretax margin – -1,787%
Net margin – -1,787%
FCF margin – -655.9%
Operating cash flow margin – -454.7%
Return on equity – -42.6%
Return on assets – -36.7%
Return on invested capital – –
Return on capital employed – -17.8%
Asset turnover – 0.0x
Cash conversion (OCF / net income) – 0.3x
Stock comp / revenue – 170.7%

Financial Health

11 metrics
MetricARQQRGTI
Debt / assets – –
Debt / equity – –
Net debt / EBITDA – –
Debt / FCF – –
Liabilities / assets 21.3% 17.1%
Equity / assets 78.7% 82.9%
Interest coverage – –
Current ratio 4.9x 3.9x
Quick ratio 4.9x 3.8x
Cash ratio 4.4x 3.7x
Altman Z-score – 19.21

Shareholder Returns

7 metrics
MetricARQQRGTI
Dividend yield – –
Net buyback yield – -1.3%
Shareholder yield – -1.3%
Payout ratio (earnings) – –
Payout ratio (FCF) – –
Dividend growth (1Y) – –
Dividend CAGR (3Y) – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusARQQRGTI
EPS, next fiscal year $-1.46FY2026 $-0.20FY2026
Revenue, next fiscal year $2.41MFY2026 $22.61MFY2026
Revenue growth, next FY +355.4%FY2026 +218.9%FY2026
Revenue growth, the year after +208.4% +115.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersARQQRGTI
Held by institutions 89.2% 52.1%
Institutions holding 65 475
Change in shares held, QoQ +205.7% +0.0%
Institutions buying 41 306
Institutions selling 11 87
Buyers to sellers 3.73 3.52

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

ARQQRGTI
ARQQ 1.00 0.66
RGTI 0.66 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ARQQ and RGTI?

Rigetti Computing (RGTI) is the largest by market capitalisation: Arqit Quantum (ARQQ) $224.75M, Rigetti Computing (RGTI) $3.81B.

Which stock has performed better?

Over the past year Arqit Quantum (ARQQ) returned the most: Arqit Quantum (ARQQ) -58.0%, Rigetti Computing (RGTI) -70.9%. Over five years, Rigetti Computing (RGTI) compounded fastest (Arqit Quantum (ARQQ) -47.6%/yr, Rigetti Computing (RGTI) +2.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Rigetti Computing (RGTI) has been the steadiest (Arqit Quantum (ARQQ) 111.5%, Rigetti Computing (RGTI) 93.8%). Volatility measures how widely the price swings, not the risk of the business.

Do ARQQ and RGTI move together?

Their daily returns over the past year have a correlation of 0.66, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, ARQQ and RGTI?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Rigetti Computing (RGTI) leads on 3. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.