HYLN vs PSIX vs CEPL Stock Comparison

Hyliion Holdings, Power Solutions International and Capstone Energy Plus Prices as of Oct 28, 2026 Peers: Industry group
HYLN Hyliion Holdings Corp.
$3.37 -15.3% 1M +59.0% 1Y
Market cap
$606.70M
P/E
–
Revenue (TTM)
$9.25M
Div. yield
–
Power Equipment Industrials
3 wins

Head to Head

9 decided of 12

Power Solutions International leads on 5 of the 12 questions below (Power Solutions International 5, Hyliion Holdings 3, Capstone Energy Plus 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionHYLNPSIXCEPLLeader
Larger companyMarket capitalisation $606.70M $1.12B $95.62M PSIX
Cheaper on earningsLower P/E, profitable companies only -11.6x 16.4x 26.7x PSIX
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 15.6x — –
Faster revenue growthRevenue growth, trailing twelve months +163.2% +13.2% +5.4% HYLN
More profitableNet margin, trailing twelve months -564.3% 10.0% 3.5% PSIX
Better return on capitalReturn on invested capital — 26.5% — –
Less leveragedLower net debt / EBITDA — 0.0x -0.7x CEPL
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +59.0% -40.2% — HYLN
Better 5-year returnAnnualised price return, 5 years -16.1%/yr +62.5%/yr — PSIX
Less volatileAnnualised volatility, 1 year 98.9% 110.0% 112.5% HYLN
Higher overall scoreMean of the five percentile scores vs peers 57/100 75/100 75/100 PSIX

Percentile Scorecard

HYLNPSIXCEPL

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

AxisHYLNPSIXCEPL
Valuation 33 #41 of 61 78 #45 of 203 93 #5 of 61
Growth 88 #8 of 58 64 #69 of 188 91 #6 of 58
Profitability 13 #48 of 55 85 #29 of 184 85 #9 of 55
Financial Health 93 #6 of 71 74 #57 of 217 23 #55 of 71
Shareholder Returns – – 82 #6 of 29
Overall 57 75 75
  • HYLN ranked among 71 companies in Clean Energy Equipment
  • PSIX ranked among 222 companies in Machinery
  • CEPL 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

PeriodHYLNPSIXCEPLSPY
1 month -15.3%+6.7%-31.7% +0.9%
3 months +4.7%+91.0%-57.0% +5.9%
6 months +88.3%-27.4%— +8.5%
Year to date +83.2%-15.0%— +13.3%
1 year +59.0%-40.2%— +12.4%
3 years +497.4%+1,604.6%— +88.1%
3 years, per year +81.5%+157.5%— +23.5%
5 years -58.3%+1,029.8%— +68.2%
5 years, per year -16.1%+62.5%— +11.0%
10 years —+415.2%— +263.4%
10 years, per year —+17.8%— +13.8%

Risk

MeasureHYLNPSIXCEPLSPY
Volatility, 1Y 98.9%110.0%112.5% 12.7%
Downside volatility, 1Y 92.9%118.4%121.1% 12.7%
Beta vs S&P 500, 1Y 3.183.543.68 1.00
Return / volatility, 1Y 0.60-0.37— 0.98
Max drawdown, 5Y -94.0%-78.0%-77.8% -25.4%
From 52-week high -58.4%-50.8%-74.2% -0.9%
52-week high $8.10$98.77$11.88 $779.14
52-week low $1.58$25.44$2.64 $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.

MultipleHYLNPSIXCEPL
P/E now vs peer median -11.5xmedian 29.4x 16.5xmedian 25.4x 29.4xmedian 29.4x
P/S now vs peer median 65.1xmedian 2.6x 1.7xmedian 1.9x 1.0xmedian 2.6x
EV/EBITDA now vs peer median -10.5xmedian 18.4x 11.8xmedian 14.3x 9.9xmedian 18.4x
P/FCF now vs peer median -10.6xmedian 24.4x 16.7xmedian 21.8x 34.7xmedian 24.4x
P/B now vs peer median 3.6xmedian 1.8x 5.5xmedian 2.2x -2.2xmedian 1.8x
PEG now vs peer median -0.38median 1.07 0.38median 1.41 1.07median 1.07

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 monthsHYLNPSIXCEPL
Revenue $9.25M $676.19M $103.06M
Gross profit $603.00K $161.31M $35.07M
Operating income -$58.73M $87.91M $4.53M
Net income -$52.19M $67.87M $3.56M
Free cash flow -$56.62M $67.09M $2.87M
R&D $37.27M $19.16M $4.03M
EPS (diluted) $-0.29 $2.94 $0.10
Cash & equivalents $13.20M $70.06M $32.30M
Total debt – $66.19M $109.19M
Shares (diluted) 178.44M 23.07M 34.34M
Enterprise value $272.60M $909.93M $11.53M

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
MetricHYLNPSIXCEPL
P/E -11.5x 16.5x 29.4x
P/FCF -10.6x 16.7x 34.7x
P/Operating cash flow -14.2x 15.1x 22.3x
P/S 65.1x 1.7x 1.0x
P/B 3.6x 5.5x -2.2x
P/Tangible book 3.6x 5.6x -2.0x
EV/EBITDA -10.5x 11.8x 9.9x
EV/EBIT -9.2x 12.7x 20.5x
EV/Revenue 58.1x 1.7x 0.9x
EV/FCF -9.5x 16.6x 32.3x
EV/Operating cash flow -12.7x 15.0x 20.7x
PEG (3Y EPS CAGR) -0.38 0.38 1.07

Growth

14 metrics
MetricHYLNPSIXCEPL
Revenue growth (1Y) 163.2% 13.2% 5.4%
Revenue CAGR (3Y) 62.1% 10.6% 9.3%
Gross profit growth (1Y) 154.4% -7.3% 29.5%
Gross profit CAGR (3Y) 29.7% 15.8% 52.0%
Operating income growth (1Y) 11.9% -14.4% 305.8%
Operating income CAGR (3Y) 29.6% 29.0% 30.7%
Net income growth (1Y) 7.3% -38.8% 190.1%
Net income CAGR (3Y) 30.7% 44.2% 28.8%
EPS growth (1Y) 8.9% -38.8% 151.0%
EPS CAGR (3Y) 30.4% 43.9% 27.5%
Operating cash flow growth (1Y) 10.5% 5.2% 11.9%
Operating cash flow CAGR (3Y) 30.3% 15.8% 35.5%
Free cash flow growth (1Y) 16.0% 7.8% -8.6%
Free cash flow CAGR (3Y) 24.4% 13.6% 29.3%

Profitability

14 metrics
MetricHYLNPSIXCEPL
Gross margin 6.5% 23.9% 34.0%
EBITDA margin -551.3% 14.0% 9.1%
Operating margin -635.2% 13.0% 4.4%
Pretax margin -564.5% 12.1% 3.4%
Net margin -564.3% 10.0% 3.5%
FCF margin -612.3% 9.9% 2.8%
Operating cash flow margin -458.2% 11.0% 4.3%
Return on equity -29.7% 34.9% –
Return on assets -28.2% 15.4% 3.1%
Return on invested capital – 26.5% –
Return on capital employed -33.4% 27.1% 12.2%
Asset turnover 0.0x 1.5x 0.9x
Cash conversion (OCF / net income) 0.8x 1.1x 1.3x
Stock comp / revenue 64.8% 0.1% 0.8%

Financial Health

11 metrics
MetricHYLNPSIXCEPL
Debt / assets – 14.6% 22.1%
Debt / equity – 0.3x -0.6x
Net debt / EBITDA – 0.0x -0.7x
Debt / FCF – 1.0x 8.8x
Liabilities / assets 5.6% 55.2% 139.4%
Equity / assets 94.4% 44.8% -39.4%
Interest coverage – 13.4x 1.1x
Current ratio 7.6x 2.6x 1.0x
Quick ratio 7.1x 1.4x 0.6x
Cash ratio 6.8x 0.6x 0.4x
Altman Z-score 33.51 5.45 -10.48

Shareholder Returns

7 metrics
MetricHYLNPSIXCEPL
Dividend yield – – –
Net buyback yield – – 0.4%
Shareholder yield – – 0.4%
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.

ConsensusHYLNPSIXCEPL
Forward P/E – 15.6xFY2026 –
EPS, next fiscal year $-0.32FY2026 $3.11FY2026 $-0.01FY2026
EPS growth, next FY – -37.6%FY2026 –
EPS growth, the year after – +22.5% –
Revenue, next fiscal year $14.80MFY2026 $656.20MFY2026 $115.36MFY2026
Revenue growth, next FY +325.2%FY2026 -9.2%FY2026 +8.8%FY2026
Revenue growth, the year after +127.8% +31.5% +28.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersHYLNPSIXCEPL
Held by institutions 33.4% 36.4% –
Institutions holding 168 158 –
Change in shares held, QoQ +19.5% +24.1% –
Institutions buying 106 91 –
Institutions selling 38 45 –
Buyers to sellers 2.79 2.02 –

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.

HYLNPSIXCEPL
HYLN 1.00 0.32 0.45
PSIX 0.32 1.00 0.44
CEPL 0.45 0.44 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, HYLN, PSIX and CEPL?

Power Solutions International (PSIX) is the largest by market capitalisation: Hyliion Holdings (HYLN) $606.70M, Power Solutions International (PSIX) $1.12B, Capstone Energy Plus (CEPL) $95.62M.

Which stock is cheaper, HYLN, PSIX and CEPL?

Power Solutions International (PSIX) trades on the lowest price-to-earnings ratio (Hyliion Holdings (HYLN) -11.6x, Power Solutions International (PSIX) 16.4x, Capstone Energy Plus (CEPL) 26.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Hyliion Holdings (HYLN) grew revenue fastest over the trailing twelve months: Hyliion Holdings (HYLN) +163.2%, Power Solutions International (PSIX) +13.2%, Capstone Energy Plus (CEPL) +5.4%.

Which company is more profitable?

Power Solutions International (PSIX) has the highest net margin (Hyliion Holdings (HYLN) -564.3%, Power Solutions International (PSIX) 10.0%, Capstone Energy Plus (CEPL) 3.5%).

Which stock has performed better?

Over the past year Hyliion Holdings (HYLN) returned the most: Hyliion Holdings (HYLN) +59.0%, Power Solutions International (PSIX) -40.2%. Over five years, Power Solutions International (PSIX) compounded fastest (Hyliion Holdings (HYLN) -16.1%/yr, Power Solutions International (PSIX) +62.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Hyliion Holdings (HYLN) has been the steadiest (Hyliion Holdings (HYLN) 98.9%, Power Solutions International (PSIX) 110.0%, Capstone Energy Plus (CEPL) 112.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, HYLN, PSIX and CEPL?

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