HYSR vs PLUG Stock Comparison

Sunhydrogen and Plug Power Prices as of Oct 26, 2026 Peers: Industry group
HYSR Sunhydrogen, Inc.
$0.02 0.0% 1M -33.3% 1Y
Market cap
$94.07M
P/E
–
Revenue (TTM)
$1.25K
Div. yield
–
Fuel Cells Industrials
3 wins
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
3 wins

Head to Head

6 decided of 12

Plug Power leads on 3 of the 12 questions below (Plug Power 3, Sunhydrogen 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionHYSRPLUGLeader
Larger companyMarket capitalisation $94.07M $1.95B PLUG
Cheaper on earningsLower P/E, profitable companies only -14.4x -1.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — –
Faster revenue growthRevenue growth, trailing twelve months — +10.6% –
More profitableNet margin, trailing twelve months -522,521.9% -220.6% PLUG
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% –
Better 1-year returnPrice return, last 12 months -33.3% -53.6% HYSR
Better 5-year returnAnnualised price return, 5 years -13.0%/yr -47.5%/yr HYSR
Less volatileAnnualised volatility, 1 year 141.9% 78.2% PLUG
Higher overall scoreMean of the five percentile scores vs peers 44/100 23/100 HYSR

Percentile Scorecard

HYSRPLUG

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

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

Price Performance

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

Returns

PeriodHYSRPLUGSPY
1 month 0.0%-30.8% -0.8%
3 months 0.0%-33.5% +3.5%
6 months 0.0%-55.5% +7.0%
Year to date -33.3%-30.5% +12.2%
1 year -33.3%-53.6% +13.0%
3 years +100.0%-76.8% +86.3%
3 years, per year +26.0%-38.6% +23.1%
5 years -50.0%-96.0% +68.6%
5 years, per year -13.0%-47.5% +11.0%
10 years 0.0%-13.3% +258.0%
10 years, per year 0.0%-1.4% +13.6%

Risk

MeasureHYSRPLUGSPY
Volatility, 1Y 141.9%78.2% 12.7%
Downside volatility, 1Y 620.4%70.0% 12.7%
Beta vs S&P 500, 1Y 1.522.25 1.00
Return / volatility, 1Y -0.23-0.68 1.02
Max drawdown, 5Y -88.9%-98.4% -25.4%
From 52-week high -50.0%-66.9% -1.8%
52-week high $0.04$4.14 $779.14
52-week low $0.02$1.37 $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.

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

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 monthsHYSRPLUG
Revenue $1.25K $744.09M
Gross profit – -$138.00M
Operating income -$7.52M -$1.29B
Net income -$6.53M -$1.71B
Free cash flow -$5.07M -$560.50M
R&D $4.33M $53.94M
EPS (diluted) $0.00 $-1.18
Cash & equivalents $12.13M $161.90M
Total debt – $314.00K
Shares (diluted) 5.53B 1.39B
Enterprise value -$40.56M $1.04B

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

Growth

14 metrics
MetricHYSRPLUG
Revenue growth (1Y) – 10.6%
Revenue CAGR (3Y) – -5.4%
Gross profit growth (1Y) – 70.1%
Gross profit CAGR (3Y) – 20.4%
Operating income growth (1Y) -29.3% 31.3%
Operating income CAGR (3Y) 6.7% -15.4%
Net income growth (1Y) 20.6% 13.3%
Net income CAGR (3Y) -105.7% -26.9%
EPS growth (1Y) 23.7% 32.5%
EPS CAGR (3Y) -98.1% 5.5%
Operating cash flow growth (1Y) -38.9% 20.0%
Operating cash flow CAGR (3Y) -5.9% 22.8%
Free cash flow growth (1Y) -38.9% 31.6%
Free cash flow CAGR (3Y) -5.6% 30.6%

Profitability

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

Financial Health

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

Shareholder Returns

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

ConsensusHYSRPLUG
EPS, next fiscal year – $-0.41FY2026
Revenue, next fiscal year – $799.33MFY2026
Revenue growth, next FY – +12.6%FY2026
Revenue growth, the year after – +28.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersHYSRPLUG
Held by institutions – 58.3%
Institutions holding – 508
Change in shares held, QoQ – +8.0%
Institutions buying – 276
Institutions selling – 105
Buyers to sellers – 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.

HYSRPLUG
HYSR 1.00 -0.10
PLUG -0.10 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, HYSR and PLUG?

Plug Power (PLUG) is the largest by market capitalisation: Sunhydrogen (HYSR) $94.07M, Plug Power (PLUG) $1.95B.

Which company is more profitable?

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

Which stock has performed better?

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

Which stock is riskier?

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

Do HYSR and PLUG move together?

Their daily returns over the past year have a correlation of -0.10, a negative relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, HYSR and PLUG?

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