ECX vs AMBA vs NBIS Stock Comparison

ECARX Holdings, Ambarella and Nebius Prices as of Oct 27, 2026 Peers: Industry group
ECX ECARX Holdings Inc.
$0.82 -24.8% 1M -65.3% 1Y
Market cap
$254.61M
P/E
–
Revenue (TTM)
$881.30M
Div. yield
–
Autonomous Driving Technology
1 win
AMBA Ambarella Inc
$67.12 -7.6% 1M -22.4% 1Y
Market cap
$2.96B
P/E
–
Revenue (TTM)
$417.80M
Div. yield
–
Semiconductor Design Technology
2 wins
NBIS Nebius Group N.V.
$170.47 -28.2% 1M +35.9% 1Y
Market cap
$43.13B
P/E
46.2x
Revenue (TTM)
$1.36B
Div. yield
–
Cloud Platforms Technology
5 wins

Head to Head

8 decided of 12

Nebius leads on 5 of the 12 questions below (Nebius 5, Ambarella 2, ECARX Holdings 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionECXAMBANBISLeader
Larger companyMarket capitalisation $254.61M $2.96B $43.13B NBIS
Cheaper on earningsLower P/E, profitable companies only -8.0x -52.4x 46.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 87.2x — –
Faster revenue growthRevenue growth, trailing twelve months +11.4% +20.0% +506.9% NBIS
More profitableNet margin, trailing twelve months -3.9% -13.5% 66.1% NBIS
Better return on capitalReturn on invested capital -4.6% — -3.3% NBIS
Less leveragedLower net debt / EBITDA — — 3.0x –
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months -65.3% -22.4% +35.9% NBIS
Better 5-year returnAnnualised price return, 5 years -39.1%/yr -18.8%/yr — AMBA
Less volatileAnnualised volatility, 1 year 82.7% 74.4% 107.3% AMBA
Higher overall scoreMean of the five percentile scores vs peers 77/100 41/100 66/100 ECX

Percentile Scorecard

ECXAMBANBIS

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

AxisECXAMBANBIS
Valuation 100 #1 of 13 33 #63 of 94 78 #9 of 38
Growth 100 #1 of 12 54 #43 of 92 34 #24 of 36
Profitability 100 #1 of 12 26 #67 of 90 76 #9 of 34
Financial Health 8 #12 of 13 58 #42 of 99 76 #10 of 38
Shareholder Returns – 32 #50 of 73 –
Overall 77 41 66
  • ECX ranked among 14 companies in Robotics and Automation
  • AMBA ranked among 103 companies in Semiconductors
  • NBIS ranked among 39 companies in Cloud Computing

Price Performance

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

Returns

PeriodECXAMBANBISSPY
1 month -24.8%-7.6%-28.2% -0.2%
3 months -24.1%-2.7%+0.5% +3.9%
6 months -28.1%+5.3%+25.8% +8.2%
Year to date -52.3%-5.3%+103.6% +12.9%
1 year -65.3%-22.4%+35.9% +12.3%
3 years -79.5%+43.4%— +87.4%
3 years, per year -41.1%+12.8%— +23.3%
5 years -91.6%-64.6%— +67.9%
5 years, per year -39.1%-18.8%— +10.9%
10 years —+9.3%— +261.1%
10 years, per year —+0.9%— +13.7%

Risk

MeasureECXAMBANBISSPY
Volatility, 1Y 82.7%74.4%107.3% 12.7%
Downside volatility, 1Y 91.2%79.6%98.4% 12.7%
Beta vs S&P 500, 1Y 1.412.613.81 1.00
Return / volatility, 1Y -0.79-0.300.33 0.97
Max drawdown, 5Y -92.6%-81.7%-58.3% -25.4%
From 52-week high -68.9%-29.7%-40.5% -1.2%
52-week high $2.64$95.51$286.69 $779.14
52-week low $0.80$48.65$73.87 $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.

MultipleECXAMBANBIS
P/E now vs peer median -8.0x -52.4xmedian 45.6x 46.2xmedian 29.5x
P/S now vs peer median 0.3xmedian 18.7x 7.1xmedian 7.7x 31.8xmedian 4.5x
EV/EBITDA now vs peer median — -72.3xmedian 29.0x 257.3xmedian 23.9x
P/FCF now vs peer median —median 14.5x 304.8xmedian 40.6x 2.6xmedian 15.0x
P/B now vs peer median -1.0xmedian 1.1x 4.8xmedian 4.6x 4.2xmedian 4.3x
PEG now vs peer median -0.17 -2.67median 2.28 -0.65median 0.38

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 monthsECXAMBANBIS
Revenue $881.30M $417.80M $1.36B
Gross profit $184.00M $244.50M $1.01B
Operating income -$8.80M -$62.24M -$668.60M
Net income -$35.90M -$56.32M $61.60M
Free cash flow – $9.72M $16.40B
R&D $107.60M $228.69M $356.40M
EPS (diluted) $-0.10 $-1.28 $3.17
Cash & equivalents $156.16M $101.85M $8.04B
Total debt $556.66M – $25.23B
Shares (diluted) 338.66M 44.01M 282.72M
Enterprise value -$23.24M $1.80B $16.57B

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
MetricECXAMBANBIS
P/E -8.0x -52.4x 46.2x
P/FCF – 304.8x 2.6x
P/Operating cash flow – 108.4x 8.2x
P/S 0.3x 7.1x 31.8x
P/B -1.0x 4.8x 4.2x
P/Tangible book -0.8x 5.3x 4.2x
EV/EBITDA – -72.3x 257.3x
EV/EBIT -74.4x -43.2x -65.3x
EV/Revenue 0.7x 6.4x 32.2x
EV/FCF – 276.8x 2.7x
EV/Operating cash flow – 98.5x 8.3x
PEG (3Y EPS CAGR) -0.17 -2.67 -0.65

Growth

14 metrics
MetricECXAMBANBIS
Revenue growth (1Y) 11.4% 20.0% 506.9%
Revenue CAGR (3Y) 15.7% 12.9% -83.4%
Gross profit growth (1Y) 29.9% 17.4% 631.9%
Gross profit CAGR (3Y) 6.1% 11.3% -81.7%
Operating income growth (1Y) 92.7% 36.9% -49.0%
Operating income CAGR (3Y) 63.2% 18.4% -26.7%
Net income growth (1Y) 74.6% 36.4% -73.4%
Net income CAGR (3Y) 41.5% 16.9% -90.6%
EPS growth (1Y) 74.4% 38.6% 318.1%
EPS CAGR (3Y) 47.8% 19.6% -70.8%
Operating cash flow growth (1Y) – -47.8% 1,193%
Operating cash flow CAGR (3Y) – 1.3% -55.8%
Free cash flow growth (1Y) – -73.7% 1,310%
Free cash flow CAGR (3Y) – -5.8% -47.1%

Profitability

14 metrics
MetricECXAMBANBIS
Gross margin 20.9% 58.5% 74.3%
EBITDA margin – -8.9% 12.5%
Operating margin -1.0% -14.9% -49.3%
Pretax margin -2.2% -12.9% 5.3%
Net margin -3.9% -13.5% 66.1%
FCF margin – 2.3% 1,210%
Operating cash flow margin – 6.5% 388.0%
Return on equity – -9.2% 0.7%
Return on assets -4.2% -7.2% 0.2%
Return on invested capital -4.6% – -3.3%
Return on capital employed – -9.6% -2.9%
Asset turnover 1.0x 0.5x 0.1x
Cash conversion (OCF / net income) – -0.5x 85.4x
Stock comp / revenue – 21.9% 13.9%

Financial Health

11 metrics
MetricECXAMBANBIS
Debt / assets 56.5% – 30.6%
Debt / equity -2.1x – 0.8x
Net debt / EBITDA – – 3.0x
Debt / FCF – – 0.5x
Liabilities / assets 127.0% 20.5% 63.0%
Equity / assets -27.0% 79.5% 37.0%
Interest coverage -0.3x – -2.8x
Current ratio 0.7x 2.8x 4.0x
Quick ratio 0.5x 2.2x 3.5x
Cash ratio 0.2x 2.0x 3.4x
Altman Z-score -1.07 11.15 1.94

Shareholder Returns

7 metrics
MetricECXAMBANBIS
Dividend yield – – –
Net buyback yield – -0.1% 6,593%
Shareholder yield – -0.1% 6,593%
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.

ConsensusECXAMBANBIS
Forward P/E – 87.2xFY2026 –
EPS, next fiscal year $-0.02FY2026 $0.77FY2026 $-1.82FY2026
EPS growth, next FY – +24.2%FY2026 –
EPS growth, the year after – +40.3% –
Revenue, next fiscal year $1.10BFY2026 $454.23MFY2026 $3.25BFY2026
Revenue growth, next FY +31.2%FY2026 +16.3%FY2026 +514.3%FY2026
Revenue growth, the year after +25.0% +3.4% +246.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersECXAMBANBIS
Held by institutions 5.2% 81.7% –
Institutions holding 39 337 –
Change in shares held, QoQ +3.3% -1.5% –
Institutions buying 23 203 –
Institutions selling 8 89 –
Buyers to sellers 2.88 2.28 –

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.

ECXAMBANBIS
ECX 1.00 0.08 0.13
AMBA 0.08 1.00 0.32
NBIS 0.13 0.32 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, ECX, AMBA and NBIS?

Nebius (NBIS) is the largest by market capitalisation: ECARX Holdings (ECX) $254.61M, Ambarella (AMBA) $2.96B, Nebius (NBIS) $43.13B.

Which company is growing faster?

Nebius (NBIS) grew revenue fastest over the trailing twelve months: ECARX Holdings (ECX) +11.4%, Ambarella (AMBA) +20.0%, Nebius (NBIS) +506.9%.

Which company is more profitable?

Nebius (NBIS) has the highest net margin (ECARX Holdings (ECX) -3.9%, Ambarella (AMBA) -13.5%, Nebius (NBIS) 66.1%). On return on invested capital, Nebius (NBIS) leads (ECARX Holdings (ECX) -4.6%, Nebius (NBIS) -3.3%).

Which stock has performed better?

Over the past year Nebius (NBIS) returned the most: ECARX Holdings (ECX) -65.3%, Ambarella (AMBA) -22.4%, Nebius (NBIS) +35.9%. Over five years, Ambarella (AMBA) compounded fastest (ECARX Holdings (ECX) -39.1%/yr, Ambarella (AMBA) -18.8%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ambarella (AMBA) has been the steadiest (ECARX Holdings (ECX) 82.7%, Ambarella (AMBA) 74.4%, Nebius (NBIS) 107.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ECX, AMBA and NBIS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Nebius (NBIS) leads on 5. 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.