CSTM vs OPTX vs PKOH Stock Comparison

Constellium Se, Syntec Optics Holdings and Park Ohio Holdings Prices as of Oct 27, 2026 Peers: Industry group
CSTM Constellium Se
$24.54 -1.5% 1M +45.6% 1Y
Market cap
$3.33B
P/E
6.1x
Revenue (TTM)
$9.58B
Div. yield
–
Metal Fabrication Industrials
7 wins
PKOH Park Ohio Holdings Corp
$44.48 -7.4% 1M +117.3% 1Y
Market cap
$644.52M
P/E
23.3x
Revenue (TTM)
$1.65B
Div. yield
1.15%
Metal Fabrication Industrials
2 wins

Head to Head

11 decided of 12

Constellium Se leads on 7 of the 12 questions below (Constellium Se 7, Syntec Optics Holdings 2, Park Ohio Holdings 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCSTMOPTXPKOHLeader
Larger companyMarket capitalisation $3.33B $283.17M $644.52M CSTM
Cheaper on earningsLower P/E, profitable companies only 6.1x -114.1x 23.3x CSTM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 5.9x — 13.0x CSTM
Faster revenue growthRevenue growth, trailing twelve months +25.9% +1.5% +2.7% CSTM
More profitableNet margin, trailing twelve months 5.7% -8.3% 1.6% CSTM
Better return on capitalReturn on invested capital 25.6% — 6.1% CSTM
Less leveragedLower net debt / EBITDA 1.2x -11.7x 5.8x OPTX
Higher dividend yieldTrailing dividend yield — — 1.15% –
Better 1-year returnPrice return, last 12 months +45.6% +177.9% +117.3% OPTX
Better 5-year returnAnnualised price return, 5 years +5.2%/yr — +13.3%/yr PKOH
Less volatileAnnualised volatility, 1 year 44.8% 136.5% 44.5% PKOH
Higher overall scoreMean of the five percentile scores vs peers 74/100 31/100 51/100 CSTM

Percentile Scorecard

CSTMOPTXPKOH

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

AxisCSTMOPTXPKOH
Valuation 97 #8 of 203 5 #192 of 203 85 #31 of 203
Growth 97 #6 of 188 6 #176 of 188 75 #48 of 188
Profitability 65 #64 of 183 18 #151 of 183 40 #110 of 183
Financial Health 19 #176 of 217 94 #13 of 217 13 #190 of 217
Shareholder Returns 90 #16 of 153 – 45 #85 of 153
Overall 74 31 51
  • CSTM ranked among 222 companies in Machinery
  • OPTX ranked among 222 companies in Machinery
  • PKOH ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodCSTMOPTXPKOHSPY
1 month -1.5%-5.0%-7.4% -0.2%
3 months -15.6%+10.2%+13.6% +3.9%
6 months -21.0%-14.3%+50.7% +8.2%
Year to date +30.2%+145.8%+112.4% +12.9%
1 year +45.6%+177.9%+117.3% +12.3%
3 years +60.2%-33.0%+101.7% +87.4%
3 years, per year +17.0%-12.5%+26.4% +23.3%
5 years +28.8%—+86.3% +67.9%
5 years, per year +5.2%—+13.3% +10.9%
10 years +371.9%—+38.2% +261.1%
10 years, per year +16.8%—+3.3% +13.7%

Risk

MeasureCSTMOPTXPKOHSPY
Volatility, 1Y 44.8%136.5%44.5% 12.7%
Downside volatility, 1Y 42.1%114.0%43.4% 12.7%
Beta vs S&P 500, 1Y 1.943.581.31 1.00
Return / volatility, 1Y 1.021.302.64 0.97
Max drawdown, 5Y -66.3%-93.0%-62.4% -25.4%
From 52-week high -32.1%-50.2%-15.3% -1.2%
52-week high $36.15$14.11$52.51 $779.14
52-week low $14.75$1.25$18.74 $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.

MultipleCSTMOPTXPKOH
P/E now vs peer median 6.1xmedian 25.2x -114.1xmedian 25.2x 23.3xmedian 25.2x
P/S now vs peer median 0.3xmedian 1.9x 9.7xmedian 1.9x 0.4xmedian 1.9x
EV/EBITDA now vs peer median 3.4xmedian 14.0x 281.3xmedian 14.0x 11.9xmedian 14.0x
P/FCF now vs peer median 15.3xmedian 21.7x -694.0xmedian 21.7x 31.4xmedian 21.7x
P/B now vs peer median 2.7xmedian 2.3x 9.3xmedian 2.3x 1.6xmedian 2.3x
PEG now vs peer median 0.07median 1.32 2.26median 1.32 0.37median 1.32

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 monthsCSTMOPTXPKOH
Revenue $9.58B $29.24M $1.65B
Gross profit $1.56B $5.73M $286.50M
Operating income $1.14B -$1.35M $71.50M
Net income $545.00M -$2.41M $26.50M
Free cash flow $218.00M -$407.99K $20.50M
R&D $53.00M – –
EPS (diluted) $3.89 $-0.06 $1.87
Cash & equivalents $163.00M $14.05M $48.30M
Total debt $1.92B $29.94M $652.60M
Shares (diluted) 140.15M 39.19M 14.20M
Enterprise value $2.79B $267.57M $455.32M

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
MetricCSTMOPTXPKOH
P/E 6.1x -114.1x 23.3x
P/FCF 15.3x -694.0x 31.4x
P/Operating cash flow 6.0x 403.4x 9.6x
P/S 0.3x 9.7x 0.4x
P/B 2.7x 9.3x 1.6x
P/Tangible book 2.8x 9.3x 1.6x
EV/EBITDA 3.4x 281.3x 11.9x
EV/EBIT 4.4x -200.7x 17.5x
EV/Revenue 0.5x 9.3x 0.8x
EV/FCF 23.3x -666.4x 60.9x
EV/Operating cash flow 9.2x 387.3x 18.5x
PEG (3Y EPS CAGR) 0.07 2.26 0.37

Growth

14 metrics
MetricCSTMOPTXPKOH
Revenue growth (1Y) 25.9% 1.5% 2.7%
Revenue CAGR (3Y) 6.3% – 0.8%
Gross profit growth (1Y) 66.2% -14.9% 4.9%
Gross profit CAGR (3Y) 21.4% – 5.6%
Operating income growth (1Y) 101.1% -43.2% -7.1%
Operating income CAGR (3Y) 27.0% -56.0% 10.1%
Net income growth (1Y) 1,457% -53.5% -4.7%
Net income CAGR (3Y) 19.3% -52.3% 66.6%
EPS growth (1Y) 1,629% -44.6% -6.0%
EPS CAGR (3Y) 85.0% -50.5% 62.5%
Operating cash flow growth (1Y) 84.9% -40.6% 476.1%
Operating cash flow CAGR (3Y) – -37.2% 93.5%
Free cash flow growth (1Y) 311.7% -0.1% 187.6%
Free cash flow CAGR (3Y) – -30.1% 46.1%

Profitability

14 metrics
MetricCSTMOPTXPKOH
Gross margin 16.3% 19.6% 17.3%
EBITDA margin 15.5% 3.3% 6.3%
Operating margin 11.9% -4.6% 4.3%
Pretax margin 8.1% -6.8% 1.6%
Net margin 5.7% -8.3% 1.6%
FCF margin 2.3% -1.4% 1.2%
Operating cash flow margin 5.8% 2.4% 4.1%
Return on equity 45.7% -12.3% 6.9%
Return on assets 9.1% -7.7% 1.8%
Return on invested capital 25.6% – 6.1%
Return on capital employed 31.2% -5.2% 6.6%
Asset turnover 1.6x 0.9x 1.1x
Cash conversion (OCF / net income) 1.0x -0.3x 2.5x
Stock comp / revenue – – 0.3%

Financial Health

11 metrics
MetricCSTMOPTXPKOH
Debt / assets 31.7% 7.1% 44.4%
Debt / equity 1.5x 0.1x 1.7x
Net debt / EBITDA 1.2x -11.7x 5.8x
Debt / FCF 8.8x -6.8x 31.8x
Liabilities / assets 79.3% 21.5% 73.3%
Equity / assets 20.7% 78.5% 26.7%
Interest coverage 10.5x – 1.4x
Current ratio 1.4x 6.0x 2.4x
Quick ratio 0.6x 4.3x 1.1x
Cash ratio 0.1x 2.8x 0.1x
Altman Z-score 2.96 21.94 –

Shareholder Returns

7 metrics
MetricCSTMOPTXPKOH
Dividend yield – – 1.1%
Net buyback yield 3.4% – –
Shareholder yield 3.4% – 1.1%
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.

ConsensusCSTMOPTXPKOH
Forward P/E 5.9xFY2026 – 13.0xFY2026
EPS, next fiscal year $4.18FY2026 – $3.41FY2026
EPS growth, next FY +237.1%FY2026 – +26.3%FY2026
EPS growth, the year after -32.3% – +13.2%
Revenue, next fiscal year $10.71BFY2026 – $1.78BFY2026
Revenue growth, next FY +26.8%FY2026 – +11.5%FY2026
Revenue growth, the year after +1.3% – +5.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCSTMOPTXPKOH
Held by institutions 88.6% 12.3% 55.8%
Institutions holding 384 62 104
Change in shares held, QoQ -4.5% +244.7% +6.4%
Institutions buying 255 51 58
Institutions selling 108 8 27
Buyers to sellers 2.36 6.38 2.15

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.

CSTMOPTXPKOH
CSTM 1.00 0.31 0.36
OPTX 0.31 1.00 0.14
PKOH 0.36 0.14 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CSTM, OPTX and PKOH?

Constellium Se (CSTM) is the largest by market capitalisation: Constellium Se (CSTM) $3.33B, Syntec Optics Holdings (OPTX) $283.17M, Park Ohio Holdings (PKOH) $644.52M.

Which stock is cheaper, CSTM, OPTX and PKOH?

Constellium Se (CSTM) trades on the lowest price-to-earnings ratio (Constellium Se (CSTM) 6.1x, Syntec Optics Holdings (OPTX) -114.1x, Park Ohio Holdings (PKOH) 23.3x). On next year's consensus earnings, Constellium Se (CSTM) is cheapest (Constellium Se (CSTM) 5.9x, Park Ohio Holdings (PKOH) 13.0x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Constellium Se (CSTM) grew revenue fastest over the trailing twelve months: Constellium Se (CSTM) +25.9%, Syntec Optics Holdings (OPTX) +1.5%, Park Ohio Holdings (PKOH) +2.7%.

Which company is more profitable?

Constellium Se (CSTM) has the highest net margin (Constellium Se (CSTM) 5.7%, Syntec Optics Holdings (OPTX) -8.3%, Park Ohio Holdings (PKOH) 1.6%). On return on invested capital, Constellium Se (CSTM) leads (Constellium Se (CSTM) 25.6%, Park Ohio Holdings (PKOH) 6.1%).

Which stock has performed better?

Over the past year Syntec Optics Holdings (OPTX) returned the most: Constellium Se (CSTM) +45.6%, Syntec Optics Holdings (OPTX) +177.9%, Park Ohio Holdings (PKOH) +117.3%. Over five years, Park Ohio Holdings (PKOH) compounded fastest (Constellium Se (CSTM) +5.2%/yr, Park Ohio Holdings (PKOH) +13.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Park Ohio Holdings (PKOH) 1.15%. Constellium Se (CSTM) and Syntec Optics Holdings (OPTX) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Park Ohio Holdings (PKOH) has been the steadiest (Constellium Se (CSTM) 44.8%, Syntec Optics Holdings (OPTX) 136.5%, Park Ohio Holdings (PKOH) 44.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CSTM, OPTX and PKOH?

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