ENPH vs JKS vs WNDW Stock Comparison

Enphase Energy, JinkoSolar Holding and SolarWindow Technologies Prices as of Oct 29, 2026 Peers: Industry group
ENPH Enphase Energy, Inc.
$25.86 -18.8% 1M -17.0% 1Y
Market cap
$3.42B
P/E
37.7x
Revenue (TTM)
$1.21B
Div. yield
–
Solar Equipment Industrials
4 wins

Head to Head

9 decided of 12

Enphase Energy leads on 4 of the 12 questions below (Enphase Energy 4, SolarWindow Technologies 3, JinkoSolar Holding 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionENPHJKSWNDWLeader
Larger companyMarket capitalisation $3.42B $429.85M $85.51M ENPH
Cheaper on earningsLower P/E, profitable companies only 37.7x 16.2x -36.2x JKS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 13.5x — — –
Faster revenue growthRevenue growth, trailing twelve months -19.9% -22.1% +61.8% WNDW
More profitableNet margin, trailing twelve months 7.5% 0.3% -1,517.3% ENPH
Better return on capitalReturn on invested capital 2.8% -5.9% — ENPH
Less leveragedLower net debt / EBITDA -2.7x — — –
Higher dividend yieldTrailing dividend yield — 18.27% — –
Better 1-year returnPrice return, last 12 months -17.0% -66.0% +150.0% WNDW
Better 5-year returnAnnualised price return, 5 years -35.5%/yr -32.8%/yr -27.5%/yr WNDW
Less volatileAnnualised volatility, 1 year 80.6% 60.2% 173.2% JKS
Higher overall scoreMean of the five percentile scores vs peers 61/100 51/100 47/100 ENPH

Percentile Scorecard

ENPHJKSWNDW

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

AxisENPHJKSWNDW
Valuation 89 #8 of 62 98 #2 of 62 43 #36 of 62
Growth 5 #56 of 59 19 #48 of 59 41 #35 of 59
Profitability 82 #11 of 55 59 #23 of 55 9 #50 of 55
Financial Health 72 #21 of 72 25 #54 of 72 96 #4 of 72
Shareholder Returns 57 #13 of 29 – –
Overall 61 51 47
  • ENPH ranked among 72 companies in Clean Energy Equipment
  • JKS ranked among 72 companies in Clean Energy Equipment
  • WNDW ranked among 72 companies in Clean Energy Equipment

Price Performance

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

Returns

PeriodENPHJKSWNDWSPY
1 month -18.8%-14.6%-31.6% +0.7%
3 months -30.8%-44.6%+400.0% +3.7%
6 months -21.5%-64.8%+282.4% +7.1%
Year to date -19.3%-68.2%+209.5% +12.8%
1 year -17.0%-66.0%+150.0% +11.9%
3 years -67.1%-72.2%+54.8% +85.2%
3 years, per year -31.0%-34.8%+15.7% +22.8%
5 years -88.8%-86.3%-79.9% +67.6%
5 years, per year -35.5%-32.8%-27.5% +10.9%
10 years +2,316.8%-48.0%-64.5% +262.0%
10 years, per year +37.5%-6.3%-9.8% +13.7%

Risk

MeasureENPHJKSWNDWSPY
Volatility, 1Y 80.6%60.2%173.2% 12.7%
Downside volatility, 1Y 72.4%61.0%149.3% 12.6%
Beta vs S&P 500, 1Y 2.551.731.33 1.00
Return / volatility, 1Y -0.21-1.100.87 0.94
Max drawdown, 5Y -92.6%-89.4%-99.7% -25.4%
From 52-week high -64.2%-73.2%-36.6% -1.2%
52-week high $72.33$30.58$2.05 $779.14
52-week low $24.99$8.02$0.25 $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.

MultipleENPHJKSWNDW
P/E now vs peer median 37.7xmedian 26.6x 16.2xmedian 26.6x -36.2xmedian 26.6x
P/S now vs peer median 2.8xmedian 2.6x 0.1xmedian 2.6x 549.3xmedian 2.6x
EV/EBITDA now vs peer median 22.8xmedian 18.9x —median 18.9x -32.5xmedian 18.9x
P/FCF now vs peer median 25.3xmedian 30.1x —median 30.1x -38.3xmedian 30.1x
P/B now vs peer median 2.8xmedian 1.9x 0.1xmedian 1.9x 18.6xmedian 1.9x
PEG now vs peer median -0.84median 0.97 -0.26median 0.97 -4.81median 0.97

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 monthsENPHJKSWNDW
Revenue $1.21B $8.37B $155.68K
Gross profit $554.56M $397.19M –
Operating income $50.78M -$28.57M -$2.50M
Net income $90.77M -$936.28M -$2.39M
Free cash flow $135.37M – -$2.23M
R&D $181.94M $137.15M $637.23K
EPS (diluted) $0.67 $0.51 $-0.04
Cash & equivalents $380.40M $2.50B $4.79M
Total debt $573.16M $22.30B –
Shares (diluted) 135.20M 52.10M 65.78M
Enterprise value -$891.75M -$10.55B $80.72M

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
MetricENPHJKSWNDW
P/E 37.7x 16.2x -36.2x
P/FCF 25.3x – -38.3x
P/Operating cash flow 17.9x – -38.3x
P/S 2.8x 0.1x 549.3x
P/B 2.8x 0.1x 18.6x
P/Tangible book 2.8x 0.1x 18.6x
EV/EBITDA 22.8x – -32.5x
EV/EBIT 60.3x -6.1x -32.3x
EV/Revenue 2.5x 0.4x 518.5x
EV/FCF 22.6x – -36.1x
EV/Operating cash flow 16.0x – -36.1x
PEG (3Y EPS CAGR) -0.84 -0.26 -4.81

Growth

14 metrics
MetricENPHJKSWNDW
Revenue growth (1Y) -19.9% -22.1% 61.8%
Revenue CAGR (3Y) -23.6% -17.3% 9.4%
Gross profit growth (1Y) -24.4% -41.3% –
Gross profit CAGR (3Y) -23.2% -44.3% –
Operating income growth (1Y) -73.3% 96.7% -0.2%
Operating income CAGR (3Y) -56.4% -27.2% -1.4%
Net income growth (1Y) -53.6% 1.3% -0.6%
Net income CAGR (3Y) -45.9% -46.7% 40.0%
EPS growth (1Y) -54.3% 104.6% 20.3%
EPS CAGR (3Y) -44.7% -62.8% 7.5%
Operating cash flow growth (1Y) -25.5% – -40.0%
Operating cash flow CAGR (3Y) -40.7% – 1.6%
Free cash flow growth (1Y) -37.7% – -40.0%
Free cash flow CAGR (3Y) -44.9% – -2.1%

Profitability

14 metrics
MetricENPHJKSWNDW
Gross margin 45.8% 4.7% –
EBITDA margin 11.1% – -1,597%
Operating margin 4.2% -0.3% -1,607%
Pretax margin 6.9% -0.5% -1,607%
Net margin 7.5% 0.3% -1,517%
FCF margin 11.2% – -1,435%
Operating cash flow margin 15.8% – -1,435%
Return on equity 7.5% -24.5% -48.4%
Return on assets 3.1% -5.3% -45.7%
Return on invested capital 2.8% -5.9% –
Return on capital employed 2.1% -5.9% -50.8%
Asset turnover 0.4x 0.5x 0.0x
Cash conversion (OCF / net income) 2.1x – 0.9x
Stock comp / revenue 15.6% – –

Financial Health

11 metrics
MetricENPHJKSWNDW
Debt / assets 19.9% 31.2% –
Debt / equity 0.5x 1.5x –
Net debt / EBITDA -2.7x – –
Debt / FCF 4.2x – –
Liabilities / assets 56.8% 78.7% 6.3%
Equity / assets 43.2% 21.3% 93.7%
Interest coverage 24.0x -4.8x –
Current ratio 4.1x 1.1x 15.8x
Quick ratio 2.6x 0.5x 15.6x
Cash ratio 2.0x 0.3x 15.6x
Altman Z-score 2.25 – 143.23

Shareholder Returns

7 metrics
MetricENPHJKSWNDW
Dividend yield – 18.3% –
Net buyback yield -0.2% – –
Shareholder yield -0.2% 18.3% –
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.

ConsensusENPHJKSWNDW
Forward P/E 13.5xFY2026 – –
EPS, next fiscal year $1.92FY2026 $-5.57FY2026 –
EPS growth, next FY -35.1%FY2026 – –
EPS growth, the year after +1.6% – –
Revenue, next fiscal year $1.15BFY2026 $9.09BFY2026 –
Revenue growth, next FY -21.8%FY2026 -2.9%FY2026 –
Revenue growth, the year after -3.4% +29.7% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersENPHJKSWNDW
Held by institutions 93.7% 32.8% –
Institutions holding 535 111 –
Change in shares held, QoQ -1.0% +8.7% –
Institutions buying 276 61 –
Institutions selling 188 30 –
Buyers to sellers 1.47 2.03 –

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.

ENPHJKSWNDW
ENPH 1.00 0.46 0.06
JKS 0.46 1.00 -0.13
WNDW 0.06 -0.13 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ENPH, JKS and WNDW?

Enphase Energy (ENPH) is the largest by market capitalisation: Enphase Energy (ENPH) $3.42B, JinkoSolar Holding (JKS) $429.85M, SolarWindow Technologies (WNDW) $85.51M.

Which stock is cheaper, ENPH, JKS and WNDW?

JinkoSolar Holding (JKS) trades on the lowest price-to-earnings ratio (Enphase Energy (ENPH) 37.7x, JinkoSolar Holding (JKS) 16.2x, SolarWindow Technologies (WNDW) -36.2x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

SolarWindow Technologies (WNDW) grew revenue fastest over the trailing twelve months: Enphase Energy (ENPH) -19.9%, JinkoSolar Holding (JKS) -22.1%, SolarWindow Technologies (WNDW) +61.8%.

Which company is more profitable?

Enphase Energy (ENPH) has the highest net margin (Enphase Energy (ENPH) 7.5%, JinkoSolar Holding (JKS) 0.3%, SolarWindow Technologies (WNDW) -1,517.3%). On return on invested capital, Enphase Energy (ENPH) leads (Enphase Energy (ENPH) 2.8%, JinkoSolar Holding (JKS) -5.9%).

Which stock has performed better?

Over the past year SolarWindow Technologies (WNDW) returned the most: Enphase Energy (ENPH) -17.0%, JinkoSolar Holding (JKS) -66.0%, SolarWindow Technologies (WNDW) +150.0%. Over five years, SolarWindow Technologies (WNDW) compounded fastest (Enphase Energy (ENPH) -35.5%/yr, JinkoSolar Holding (JKS) -32.8%/yr, SolarWindow Technologies (WNDW) -27.5%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: JinkoSolar Holding (JKS) 18.27%. Enphase Energy (ENPH) and SolarWindow Technologies (WNDW) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, JinkoSolar Holding (JKS) has been the steadiest (Enphase Energy (ENPH) 80.6%, JinkoSolar Holding (JKS) 60.2%, SolarWindow Technologies (WNDW) 173.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ENPH, JKS and WNDW?

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