ARQQ vs BTQ vs QNC Stock Comparison

Arqit Quantum, BTQ Technologies and Quantum eMotion Prices as of Oct 27, 2026 Peers: Industry group
ARQQ Arqit Quantum Inc.
$18.04 -26.7% 1M -61.6% 1Y
Market cap
$251.36M
P/E
–
Revenue (TTM)
—
Div. yield
–
Quantum Computing Technology
1 win
BTQ BTQ Technologies Corp.
$2.24 -18.2% 1M -74.3% 1Y
Market cap
$303.78M
P/E
–
Revenue (TTM)
—
Div. yield
–
Quantum Computing Technology
1 win
QNC Quantum eMotion Corp
$1.09 -42.0% 1M
Market cap
$205.37M
P/E
474.2x
Revenue (TTM)
—
Div. yield
–
Quantum Computing Technology
1 win

Head to Head

3 decided of 12

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

QuestionARQQBTQQNCLeader
Larger companyMarket capitalisation $251.36M $303.78M $205.37M BTQ
Cheaper on earningsLower P/E, profitable companies only — -8.8x 474.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months — — — –
More profitableNet margin, trailing twelve months — — — –
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -61.6% -74.3% — ARQQ
Better 5-year returnAnnualised price return, 5 years -47.4%/yr — — –
Less volatileAnnualised volatility, 1 year 111.1% 119.7% 94.1% QNC
Higher overall scoreMean of the five percentile scores vs peers — 16/100 — –

Percentile Scorecard

ARQQBTQQNC

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

AxisARQQBTQQNC
Valuation – 5 #118 of 124 11 #110 of 124
Growth – 0 #113 of 113 –
Profitability – 2 #107 of 109 –
Financial Health 83 #23 of 127 51 #63 of 127 94 #8 of 127
Shareholder Returns – 22 #51 of 65 –
Overall – 16 –
  • ARQQ ranked among 137 companies in Infrastructure Software
  • BTQ ranked among 137 companies in Infrastructure Software
  • QNC ranked among 137 companies in Infrastructure Software

Price Performance

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

Returns

PeriodARQQBTQQNCSPY
1 month -26.7%-18.2%-42.0% -0.2%
3 months +2.8%-35.1%-47.1% +3.9%
6 months +28.0%-21.7%-61.1% +8.2%
Year to date -17.6%-56.3%— +12.9%
1 year -61.6%-74.3%— +12.3%
3 years +71.4%+623.5%— +87.4%
3 years, per year +19.7%+93.5%— +23.3%
5 years -96.0%—— +67.9%
5 years, per year -47.4%—— +10.9%

Risk

MeasureARQQBTQQNCSPY
Volatility, 1Y 111.1%119.7%94.1% 12.7%
Downside volatility, 1Y 102.6%102.4%95.6% 12.7%
Beta vs S&P 500, 1Y 4.074.262.93 1.00
Return / volatility, 1Y -0.55-0.62— 0.97
Max drawdown, 5Y -99.6%-85.9%-72.0% -25.4%
From 52-week high -61.6%-74.3%-71.2% -1.2%
52-week high $47.04$8.73$3.79 $779.14
52-week low $11.78$2.00$1.06 $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.

MultipleARQQBTQQNC
P/E now vs peer median —median 38.6x -8.8xmedian 38.6x 469.9xmedian 38.6x
P/S now vs peer median —median 4.4x —median 4.4x 222,840xmedian 4.4x
EV/EBITDA now vs peer median —median 34.5x —median 34.5x —median 34.5x
P/FCF now vs peer median —median 29.4x -21.3xmedian 29.4x 13,572xmedian 29.4x
P/B now vs peer median 9.7xmedian 3.3x 24.9xmedian 3.3x 8.9xmedian 3.3x
PEG now vs peer median —median 1.28 —median 1.28 —median 1.28

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 monthsARQQBTQQNC
Operating income – -$34.64M –
Net income – -$34.57M -$9.47M
Free cash flow – -$14.76M –
R&D – $4.75M $1.04M
EPS (diluted) – $-0.26 $0.00
Cash & equivalents $28.86M $6.85M $222.23K
Shares (diluted) 13.79M 135.62M 186.70M
Enterprise value $142.04M $244.50M $118.44M

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
MetricARQQBTQQNC
P/E – -8.8x 469.9x
P/FCF – -21.3x 13,572x
P/Operating cash flow – -21.2x –
P/S – – 222,840x
P/B 9.7x 24.9x 8.9x
P/Tangible book 10.4x 24.9x 12.0x
EV/EBITDA – – –
EV/EBIT – -8.9x –
EV/Revenue – – –
EV/FCF – -20.8x –
EV/Operating cash flow – -20.7x –
PEG (3Y EPS CAGR) – – –

Growth

14 metrics
MetricARQQBTQQNC
Revenue growth (1Y) – – –
Revenue CAGR (3Y) – – –
Gross profit growth (1Y) – – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) – -1,885% –
Operating income CAGR (3Y) – – –
Net income growth (1Y) – -307.6% –
Net income CAGR (3Y) – – –
EPS growth (1Y) – -1,660% –
EPS CAGR (3Y) – – –
Operating cash flow growth (1Y) – – –
Operating cash flow CAGR (3Y) – – –
Free cash flow growth (1Y) – – –
Free cash flow CAGR (3Y) – – –

Profitability

14 metrics
MetricARQQBTQQNC
Gross margin – – –
EBITDA margin – – –
Operating margin – – –
Pretax margin – – –
Net margin – – –
FCF margin – – –
Operating cash flow margin – – –
Return on equity – -234.8% –
Return on assets – -191.6% –
Return on invested capital – – –
Return on capital employed – -247.3% –
Asset turnover – – –
Cash conversion (OCF / net income) – 0.4x –
Stock comp / revenue – – –

Financial Health

11 metrics
MetricARQQBTQQNC
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 21.3% 26.9% 21.0%
Equity / assets 78.7% 73.1% 79.0%
Interest coverage – -775.2x –
Current ratio 4.9x 1.9x 33.3x
Quick ratio 4.9x 1.7x 35.0x
Cash ratio 4.4x 1.7x 35.0x
Altman Z-score – – –

Shareholder Returns

7 metrics
MetricARQQBTQQNC
Dividend yield – – –
Net buyback yield – -2.4% –
Shareholder yield – -2.4% –
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.

ConsensusARQQBTQQNC
EPS, next fiscal year $-1.46FY2026 – –
Revenue, next fiscal year $2.41MFY2026 – –
Revenue growth, next FY +355.4%FY2026 – –
Revenue growth, the year after +208.4% – –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersARQQBTQQNC
Held by institutions 89.2% 28.2% 31.6%
Institutions holding 65 93 38
Change in shares held, QoQ +205.7% +103.2% +1,128.1%
Institutions buying 41 54 22
Institutions selling 11 15 7
Buyers to sellers 3.73 3.60 3.14

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.

ARQQBTQQNC
ARQQ 1.00 0.64 0.23
BTQ 0.64 1.00 0.31
QNC 0.23 0.31 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ARQQ, BTQ and QNC?

BTQ Technologies (BTQ) is the largest by market capitalisation: Arqit Quantum (ARQQ) $251.36M, BTQ Technologies (BTQ) $303.78M, Quantum eMotion (QNC) $205.37M.

Which stock has performed better?

Over the past year Arqit Quantum (ARQQ) returned the most: Arqit Quantum (ARQQ) -61.6%, BTQ Technologies (BTQ) -74.3%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Quantum eMotion (QNC) has been the steadiest (Arqit Quantum (ARQQ) 111.1%, BTQ Technologies (BTQ) 119.7%, Quantum eMotion (QNC) 94.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ARQQ, BTQ and QNC?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, BTQ Technologies (BTQ) leads on 1. 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.