AEIS vs VGTK vs POLA Stock Comparison

Advanced Energy Industries, Viking Global Technologies and Polar Power Prices as of Nov 5, 2026 Peers: Industry group
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POLA Polar Power, Inc.
$0.34 -70.2% 1M -91.1% 1Y
Market cap
$1.21M
P/E
–
Revenue (TTM)
$4.62M
Div. yield
–
Electrical Equipment Industrials

Head to Head

8 decided of 12

Advanced Energy Industries leads on 7 of the 12 questions below (Advanced Energy Industries 7, Viking Global Technologies 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAEISVGTKPOLALeader
Larger companyMarket capitalisation $7.80B $10.85M $1.21M AEIS
Cheaper on earningsLower P/E, profitable companies only 27.0x -1.1x -0.1x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 15.7x — — –
Faster revenue growthRevenue growth, trailing twelve months +31.7% — -61.4% AEIS
More profitableNet margin, trailing twelve months 12.7% — -207.9% AEIS
Better return on capitalReturn on invested capital 10.9% — — –
Less leveragedLower net debt / EBITDA -0.4x -16.2x -0.5x VGTK
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -17.8% -20.0% -91.1% AEIS
Better 5-year returnAnnualised price return, 5 years +14.3%/yr -77.3%/yr -60.9%/yr AEIS
Less volatileAnnualised volatility, 1 year 66.9% 140.8% 111.8% AEIS
Higher overall scoreMean of the five percentile scores vs peers 51/100 45/100 9/100 AEIS

Percentile Scorecard

AEISVGTKPOLA

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

AxisAEISVGTKPOLA
Valuation 31 #142 of 204 52 #31 of 63 13 #177 of 204
Growth 83 #34 of 191 81 #12 of 60 14 #164 of 191
Profitability 60 #76 of 189 – 3 #184 of 189
Financial Health 62 #85 of 221 3 #70 of 72 5 #210 of 221
Shareholder Returns 18 #130 of 159 – –
Overall 51 45 9
  • AEIS ranked among 223 companies in Machinery
  • VGTK ranked among 72 companies in Clean Energy Equipment
  • POLA ranked among 223 companies in Machinery

Price Performance

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

Returns

PeriodAEISVGTKPOLASPY
1 month -38.7%+33.3%-70.2% -5.9%
3 months -42.7%+33.3%-81.8% -4.6%
6 months -47.2%+33.3%-82.2% +0.2%
Year to date -11.3%0.0%-79.6% +7.5%
1 year -17.8%-20.0%-91.1% +8.2%
3 years +106.7%-88.2%-94.6% +68.3%
3 years, per year +27.4%-51.0%-62.2% +19.0%
5 years +95.1%-99.9%-99.1% +56.5%
5 years, per year +14.3%-77.3%-60.9% +9.4%
10 years +293.9%-100.0%— +251.5%
10 years, per year +14.7%-87.4%— +13.4%

Risk

MeasureAEISVGTKPOLASPY
Volatility, 1Y 66.9%140.8%111.8% 13.6%
Downside volatility, 1Y 72.5%480.5%113.7% 14.2%
Beta vs S&P 500, 1Y 2.641.171.49 1.00
Return / volatility, 1Y -0.27-0.14-0.82 0.60
Max drawdown, 5Y -52.3%-100.0%-99.3% -25.4%
From 52-week high -52.3%-20.0%-91.1% -5.9%
52-week high $389.05$0.05$3.84 $779.14
52-week low $185.66$0.02$0.34 $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.

MultipleAEISVGTKPOLA
P/E now vs peer median 25.7xmedian 23.4x -1.2xmedian 25.0x -0.1xmedian 23.4x
P/S now vs peer median 3.3xmedian 1.7x —median 2.3x 0.3xmedian 1.7x
EV/EBITDA now vs peer median 16.8xmedian 13.4x -20.1xmedian 18.3x -0.6xmedian 13.4x
P/FCF now vs peer median 104.5xmedian 21.9x -10.6xmedian 28.3x -0.6xmedian 21.9x
P/B now vs peer median 4.7xmedian 2.1x -0.2xmedian 1.8x 1.5xmedian 2.1x
PEG now vs peer median 1.02median 1.02 0.04median 0.65 -0.04median 1.02

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 monthsAEISVGTKPOLA
Revenue $2.27B – $4.62M
Gross profit $915.20M – -$3.61M
Operating income $363.20M -$6.18M -$8.86M
Net income $288.80M -$9.98M -$9.61M
Free cash flow $71.10M -$1.06M -$2.24M
R&D $254.60M – $637.00K
EPS (diluted) $6.98 $-0.03 $-2.58
Cash & equivalents $1.42B $393.73K $183.00K
Total debt $1.27B $47.10M $4.16M
Shares (diluted) 41.40M 281.77M 3.72M
Enterprise value $3.48B $9.59M $792.04K

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
MetricAEISVGTKPOLA
P/E 25.7x -1.2x -0.1x
P/FCF 104.5x -10.6x -0.6x
P/Operating cash flow 32.9x -10.6x -0.6x
P/S 3.3x – 0.3x
P/B 4.7x -0.2x 1.5x
P/Tangible book 5.0x -0.2x 1.5x
EV/EBITDA 16.8x -20.1x -0.6x
EV/EBIT 20.0x -9.4x -0.6x
EV/Revenue 3.2x – 1.1x
EV/FCF 102.2x -54.5x -2.4x
EV/Operating cash flow 32.2x -54.5x -2.4x
PEG (3Y EPS CAGR) 1.02 0.04 -0.04

Growth

14 metrics
MetricAEISVGTKPOLA
Revenue growth (1Y) 31.7% – -61.4%
Revenue CAGR (3Y) 9.3% – -36.3%
Gross profit growth (1Y) 42.4% – -418.1%
Gross profit CAGR (3Y) 13.4% – -52.0%
Operating income growth (1Y) 150.1% 37.1% -117.8%
Operating income CAGR (3Y) 32.0% 9.9% -20.6%
Net income growth (1Y) 99.2% 74.4% -110.1%
Net income CAGR (3Y) 29.0% -36.5% -22.1%
EPS growth (1Y) 85.3% 71.6% -41.8%
EPS CAGR (3Y) 25.2% -26.4% 3.3%
Operating cash flow growth (1Y) -4.8% 48.1% -30.9%
Operating cash flow CAGR (3Y) 4.3% 38.5% 31.6%
Free cash flow growth (1Y) -54.0% 48.7% -30.8%
Free cash flow CAGR (3Y) -18.8% 38.7% 31.6%

Profitability

14 metrics
MetricAEISVGTKPOLA
Gross margin 40.3% – -78.1%
EBITDA margin 19.1% – -190.3%
Operating margin 16.0% – -191.7%
Pretax margin 15.2% – -214.1%
Net margin 12.7% – -207.9%
FCF margin 3.1% – -48.6%
Operating cash flow margin 9.9% – -48.6%
Return on equity 19.0% – -609.3%
Return on assets 8.2% -39.9% -91.4%
Return on invested capital 10.9% – –
Return on capital employed 12.9% – –
Asset turnover 0.6x – 0.4x
Cash conversion (OCF / net income) 0.8x 0.1x 0.2x
Stock comp / revenue 3.2% – 43.9%

Financial Health

11 metrics
MetricAEISVGTKPOLA
Debt / assets 34.7% 235.8% 40.8%
Debt / equity 0.8x -0.9x 4.9x
Net debt / EBITDA -0.4x -16.2x -0.5x
Debt / FCF 17.8x -44.3x -1.9x
Liabilities / assets 56.4% 365.9% 91.6%
Equity / assets 43.6% -265.9% 8.4%
Interest coverage 25.0x -3.7x -8.6x
Current ratio 3.6x 0.0x –
Quick ratio 2.6x 0.0x –
Cash ratio 2.0x 0.0x –
Altman Z-score 4.25 – –

Shareholder Returns

7 metrics
MetricAEISVGTKPOLA
Dividend yield 0.2% – –
Net buyback yield 0.1% – -187.0%
Shareholder yield 0.3% – -187.0%
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.

ConsensusAEISVGTKPOLA
Forward P/E 15.7xFY2026 – –
EPS, next fiscal year $11.84FY2026 – –
EPS growth, next FY +84.7%FY2026 – –
EPS growth, the year after +45.4% – –
Revenue, next fiscal year $2.65BFY2026 – –
Revenue growth, next FY +47.3%FY2026 – –
Revenue growth, the year after +31.8% – –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAEISVGTKPOLA
Held by institutions 100.0% – –
Institutions holding 680 – –
Change in shares held, QoQ -2.0% – –
Institutions buying 388 – –
Institutions selling 220 – –
Buyers to sellers 1.76 – –

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.

AEISVGTKPOLA
AEIS 1.00 0.08 0.23
VGTK 0.08 1.00 -0.03
POLA 0.23 -0.03 1.00

Add a Peer

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Frequently Asked Questions

Which is bigger, AEIS, VGTK and POLA?

Advanced Energy Industries (AEIS) is the largest by market capitalisation: Advanced Energy Industries (AEIS) $7.80B, Viking Global Technologies (VGTK) $10.85M, Polar Power (POLA) $1.21M.

Which company is growing faster?

Advanced Energy Industries (AEIS) grew revenue fastest over the trailing twelve months: Advanced Energy Industries (AEIS) +31.7%, Polar Power (POLA) -61.4%.

Which company is more profitable?

Advanced Energy Industries (AEIS) has the highest net margin (Advanced Energy Industries (AEIS) 12.7%, Polar Power (POLA) -207.9%).

Which stock has performed better?

Over the past year Advanced Energy Industries (AEIS) returned the most: Advanced Energy Industries (AEIS) -17.8%, Viking Global Technologies (VGTK) -20.0%, Polar Power (POLA) -91.1%. Over five years, Advanced Energy Industries (AEIS) compounded fastest (Advanced Energy Industries (AEIS) +14.3%/yr, Viking Global Technologies (VGTK) -77.3%/yr, Polar Power (POLA) -60.9%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Advanced Energy Industries (AEIS) has been the steadiest (Advanced Energy Industries (AEIS) 66.9%, Viking Global Technologies (VGTK) 140.8%, Polar Power (POLA) 111.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AEIS, VGTK and POLA?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Advanced Energy Industries (AEIS) leads on 7. 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.