BLDP vs PLUG vs HYSR Stock Comparison

Ballard Power Systems, Plug Power and Sunhydrogen Prices as of Oct 26, 2026 Peers: Industry group
PLUG Plug Power Inc
$1.37 -30.8% 1M -53.6% 1Y
Market cap
$1.95B
P/E
–
Revenue (TTM)
$744.09M
Div. yield
–
Hydrogen Energy
1 win
HYSR Sunhydrogen, Inc.
$0.02 0.0% 1M -33.3% 1Y
Market cap
$92.96M
P/E
–
Revenue (TTM)
$1.25K
Div. yield
–
Fuel Cells Industrials
2 wins

Head to Head

7 decided of 12

Ballard Power Systems leads on 4 of the 12 questions below (Ballard Power Systems 4, Sunhydrogen 2, Plug Power 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionBLDPPLUGHYSRLeader
Larger companyMarket capitalisation $463.74M $1.95B $92.96M PLUG
Cheaper on earningsLower P/E, profitable companies only -5.8x -1.2x -14.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +46.4% +10.6% — BLDP
More profitableNet margin, trailing twelve months -75.7% -220.6% -522,521.9% BLDP
Better return on capitalReturn on invested capital — -188.4% — –
Less leveragedLower net debt / EBITDA — 0.1x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -58.4% -53.6% -33.3% HYSR
Better 5-year returnAnnualised price return, 5 years -38.4%/yr -47.5%/yr -13.0%/yr HYSR
Less volatileAnnualised volatility, 1 year 73.1% 78.2% 141.9% BLDP
Higher overall scoreMean of the five percentile scores vs peers 67/100 23/100 44/100 BLDP

Percentile Scorecard

BLDPPLUGHYSR

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

AxisBLDPPLUGHYSR
Valuation 58 #26 of 61 0 #11 of 11 33 #41 of 61
Growth 81 #12 of 58 70 #4 of 11 21 #46 of 58
Profitability 48 #29 of 55 0 #9 of 9 6 #52 of 55
Financial Health 80 #15 of 71 20 #9 of 11 97 #3 of 71
Shareholder Returns – – 64 #11 of 29
Overall 67 23 44
  • BLDP ranked among 71 companies in Clean Energy Equipment
  • PLUG ranked among 11 companies in Renewable Fuels
  • HYSR ranked among 71 companies in Clean Energy Equipment

Price Performance

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

Returns

PeriodBLDPPLUGHYSRSPY
1 month -32.9%-30.8%0.0% -0.8%
3 months -50.2%-33.5%0.0% +3.5%
6 months -56.0%-55.5%0.0% +7.0%
Year to date -43.7%-30.5%-33.3% +12.2%
1 year -58.4%-53.6%-33.3% +13.0%
3 years -54.7%-76.8%+100.0% +86.3%
3 years, per year -23.2%-38.6%+26.0% +23.1%
5 years -91.1%-96.0%-50.0% +68.6%
5 years, per year -38.4%-47.5%-13.0% +11.0%
10 years -35.3%-13.3%0.0% +258.0%
10 years, per year -4.3%-1.4%0.0% +13.6%

Risk

MeasureBLDPPLUGHYSRSPY
Volatility, 1Y 73.1%78.2%141.9% 12.7%
Downside volatility, 1Y 68.9%70.0%620.4% 12.7%
Beta vs S&P 500, 1Y 2.752.251.52 1.00
Return / volatility, 1Y -0.80-0.68-0.23 1.02
Max drawdown, 5Y -94.7%-98.4%-88.9% -25.4%
From 52-week high -77.6%-66.9%-50.0% -1.8%
52-week high $6.38$4.14$0.04 $779.14
52-week low $1.43$1.37$0.02 $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.

MultipleBLDPPLUGHYSR
P/E now vs peer median -5.3xmedian 25.4x -1.2xmedian 10.9x -16.9xmedian 25.4x
P/S now vs peer median 4.1xmedian 2.1x 2.6xmedian 1.2x 91,987xmedian 2.1x
EV/EBITDA now vs peer median 6.4xmedian 17.5x -1.4xmedian 14.0x -11.0xmedian 17.5x
P/FCF now vs peer median -8.2xmedian 27.3x -3.4xmedian 14.0x -22.7xmedian 27.3x
P/B now vs peer median 0.8xmedian 1.7x 3.3xmedian 1.2x 3.6xmedian 1.7x
PEG now vs peer median -0.33median 0.77 -0.21median 0.19 0.17median 0.77

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 monthsBLDPPLUGHYSR
Revenue $106.16M $744.09M $1.25K
Gross profit $17.41M -$138.00M –
Operating income -$31.41M -$1.29B -$7.52M
Net income -$77.27M -$1.71B -$6.53M
Free cash flow -$52.66M -$560.50M -$5.07M
R&D $42.19M $53.94M $4.33M
EPS (diluted) $-0.52 $-1.18 $0.00
Cash & equivalents $502.10M $161.90M $12.13M
Total debt – $314.00K –
Shares (diluted) 155.19M 1.39B 5.53B
Enterprise value -$1.62B $1.03B -$41.66M

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
MetricBLDPPLUGHYSR
P/E -5.3x -1.2x -16.9x
P/FCF -8.2x -3.4x -22.7x
P/Operating cash flow -10.9x -4.0x -22.7x
P/S 4.1x 2.6x 91,987x
P/B 0.8x 3.3x 3.6x
P/Tangible book 0.8x 3.4x 3.6x
EV/EBITDA 6.4x -1.4x -11.0x
EV/EBIT 2.4x -1.4x -11.0x
EV/Revenue -0.7x 2.4x 66,339x
EV/FCF 1.4x -3.1x -16.4x
EV/Operating cash flow 1.9x -3.6x -16.4x
PEG (3Y EPS CAGR) -0.33 -0.21 0.17

Growth

14 metrics
MetricBLDPPLUGHYSR
Revenue growth (1Y) 46.4% 10.6% –
Revenue CAGR (3Y) 15.8% -5.4% –
Gross profit growth (1Y) 272.0% 70.1% –
Gross profit CAGR (3Y) 48.9% 20.4% –
Operating income growth (1Y) 81.6% 31.3% -29.3%
Operating income CAGR (3Y) 39.2% -15.4% 6.7%
Net income growth (1Y) 74.0% 13.3% 20.6%
Net income CAGR (3Y) 18.2% -26.9% -105.7%
EPS growth (1Y) 73.0% 32.5% 23.7%
EPS CAGR (3Y) 16.3% 5.5% -98.1%
Operating cash flow growth (1Y) -107.5% 20.0% -38.9%
Operating cash flow CAGR (3Y) 13.1% 22.8% -5.9%
Free cash flow growth (1Y) -110.5% 31.6% -38.9%
Free cash flow CAGR (3Y) 13.0% 30.6% -5.6%

Profitability

14 metrics
MetricBLDPPLUGHYSR
Gross margin 16.4% -18.5% –
EBITDA margin -11.0% -168.2% -600,651%
Operating margin -29.6% -172.8% -601,652%
Pretax margin -11.8% -229.0% -502,370%
Net margin -75.7% -220.6% -522,522%
FCF margin -49.6% -75.3% -405,229%
Operating cash flow margin -37.3% -64.9% -405,229%
Return on equity -14.0% -251.3% -19.4%
Return on assets -12.2% -75.0% -18.8%
Return on invested capital – -188.4% –
Return on capital employed -5.2% -72.0% -23.1%
Asset turnover 0.2x 0.3x 0.0x
Cash conversion (OCF / net income) 0.5x 0.3x 0.8x
Stock comp / revenue 18.7% 7.2% 93,359%

Financial Health

11 metrics
MetricBLDPPLUGHYSR
Debt / assets – 0.0% –
Debt / equity – 0.0x –
Net debt / EBITDA – 0.1x –
Debt / FCF – 0.0x –
Liabilities / assets 13.1% 73.2% 3.6%
Equity / assets 86.9% 26.8% 96.4%
Interest coverage -36.4x -17.9x –
Current ratio 11.2x 2.3x 37.9x
Quick ratio 10.3x 0.8x 37.6x
Cash ratio 9.9x 0.3x 37.2x
Altman Z-score -0.71 -6.08 54.19

Shareholder Returns

7 metrics
MetricBLDPPLUGHYSR
Dividend yield – – –
Net buyback yield – -2.5% -0.1%
Shareholder yield – -2.5% -0.1%
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.

ConsensusBLDPPLUGHYSR
EPS, next fiscal year $-0.18FY2026 $-0.41FY2026 –
Revenue, next fiscal year $115.35MFY2026 $799.33MFY2026 –
Revenue growth, next FY +17.0%FY2026 +12.6%FY2026 –
Revenue growth, the year after +40.4% +28.0% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersBLDPPLUGHYSR
Held by institutions 34.7% 58.3% –
Institutions holding 170 508 –
Change in shares held, QoQ +16.3% +8.0% –
Institutions buying 101 276 –
Institutions selling 40 105 –
Buyers to sellers 2.53 2.63 –

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.

BLDPPLUGHYSR
BLDP 1.00 0.55 0.07
PLUG 0.55 1.00 -0.10
HYSR 0.07 -0.10 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, BLDP, PLUG and HYSR?

Plug Power (PLUG) is the largest by market capitalisation: Ballard Power Systems (BLDP) $463.74M, Plug Power (PLUG) $1.95B, Sunhydrogen (HYSR) $92.96M.

Which company is growing faster?

Ballard Power Systems (BLDP) grew revenue fastest over the trailing twelve months: Ballard Power Systems (BLDP) +46.4%, Plug Power (PLUG) +10.6%.

Which company is more profitable?

Ballard Power Systems (BLDP) has the highest net margin (Ballard Power Systems (BLDP) -75.7%, Plug Power (PLUG) -220.6%, Sunhydrogen (HYSR) -522,521.9%).

Which stock has performed better?

Over the past year Sunhydrogen (HYSR) returned the most: Ballard Power Systems (BLDP) -58.4%, Plug Power (PLUG) -53.6%, Sunhydrogen (HYSR) -33.3%. Over five years, Sunhydrogen (HYSR) compounded fastest (Ballard Power Systems (BLDP) -38.4%/yr, Plug Power (PLUG) -47.5%/yr, Sunhydrogen (HYSR) -13.0%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ballard Power Systems (BLDP) has been the steadiest (Ballard Power Systems (BLDP) 73.1%, Plug Power (PLUG) 78.2%, Sunhydrogen (HYSR) 141.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, BLDP, PLUG and HYSR?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ballard Power Systems (BLDP) leads on 4. 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.