OPTX vs MLI vs PKOH Stock Comparison

Syntec Optics Holdings, Mueller Industries and Park Ohio Holdings Prices as of Oct 27, 2026 Peers: Industry group
MLI Mueller Industries Inc
$54.90 -9.3% 1M -47.1% 1Y
Market cap
$11.86B
P/E
13.7x
Revenue (TTM)
$5.00B
Div. yield
0.01%
Metal Fabrication Industrials
7 wins
PKOH Park Ohio Holdings Corp
$44.48 -7.4% 1M +117.3% 1Y
Market cap
$612.36M
P/E
23.1x
Revenue (TTM)
$1.65B
Div. yield
–
Metal Fabrication Industrials
2 wins

Head to Head

11 decided of 12

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

QuestionOPTXMLIPKOHLeader
Larger companyMarket capitalisation $278.65M $11.86B $612.36M MLI
Cheaper on earningsLower P/E, profitable companies only -115.4x 13.7x 23.1x MLI
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 13.6x 13.0x PKOH
Faster revenue growthRevenue growth, trailing twelve months +1.5% +20.8% +2.7% MLI
More profitableNet margin, trailing twelve months -8.3% 17.3% 1.6% MLI
Better return on capitalReturn on invested capital — 22.7% 6.1% MLI
Less leveragedLower net debt / EBITDA -11.7x -1.3x 5.8x OPTX
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months +177.9% -47.1% +117.3% OPTX
Better 5-year returnAnnualised price return, 5 years — +15.8%/yr +13.3%/yr MLI
Less volatileAnnualised volatility, 1 year 136.5% 131.8% 44.5% PKOH
Higher overall scoreMean of the five percentile scores vs peers 31/100 86/100 51/100 MLI

Percentile Scorecard

OPTXMLIPKOH

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

AxisOPTXMLIPKOH
Valuation 5 #192 of 203 83 #35 of 203 85 #31 of 203
Growth 6 #176 of 188 66 #65 of 188 75 #48 of 188
Profitability 18 #151 of 183 97 #7 of 183 40 #110 of 183
Financial Health 94 #13 of 217 97 #7 of 217 13 #190 of 217
Shareholder Returns – 85 #24 of 153 45 #85 of 153
Overall 31 86 51
  • OPTX ranked among 222 companies in Machinery
  • MLI 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

PeriodOPTXMLIPKOHSPY
1 month -5.0%-9.3%-7.4% -0.2%
3 months +10.2%-17.4%+13.6% +3.9%
6 months -14.3%-59.5%+50.7% +8.2%
Year to date +145.8%-52.2%+112.4% +12.9%
1 year +177.9%-47.1%+117.3% +12.3%
3 years -33.0%+45.2%+101.7% +87.4%
3 years, per year -12.5%+13.2%+26.4% +23.3%
5 years —+108.3%+86.3% +67.9%
5 years, per year —+15.8%+13.3% +10.9%
10 years —+269.0%+38.2% +261.1%
10 years, per year —+13.9%+3.3% +13.7%

Risk

MeasureOPTXMLIPKOHSPY
Volatility, 1Y 136.5%131.8%44.5% 12.7%
Downside volatility, 1Y 114.0%165.1%43.4% 12.7%
Beta vs S&P 500, 1Y 3.580.701.31 1.00
Return / volatility, 1Y 1.30-0.362.64 0.97
Max drawdown, 5Y -93.0%-61.6%-62.4% -25.4%
From 52-week high -50.2%-61.0%-15.3% -1.2%
52-week high $14.11$140.83$52.51 $779.14
52-week low $1.25$54.11$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.

MultipleOPTXMLIPKOH
P/E now vs peer median -114.1xmedian 25.2x 13.8xmedian 25.2x 23.3xmedian 25.2x
P/S now vs peer median 9.7xmedian 1.9x 2.4xmedian 1.9x 0.4xmedian 1.9x
EV/EBITDA now vs peer median 281.3xmedian 14.0x 9.3xmedian 14.0x 11.9xmedian 14.0x
P/FCF now vs peer median -694.0xmedian 21.7x 17.4xmedian 21.7x 31.4xmedian 21.7x
P/B now vs peer median 9.3xmedian 2.3x 3.4xmedian 2.3x 1.6xmedian 2.3x
PEG now vs peer median 2.26median 1.32 1.08median 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 monthsOPTXMLIPKOH
Revenue $29.24M $5.00B $1.65B
Gross profit $5.73M $1.36B $286.50M
Operating income -$1.35M $1.08B $71.50M
Net income -$2.41M $871.57M $26.50M
Free cash flow -$407.99K $689.59M $20.50M
EPS (diluted) $-0.06 $3.92 $1.87
Cash & equivalents $14.05M $1.45B $48.30M
Total debt $29.94M $5.24M $652.60M
Shares (diluted) 39.19M 220.12M 14.20M
Enterprise value $263.05M $6.17B $421.76M

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
MetricOPTXMLIPKOH
P/E -114.1x 13.8x 23.3x
P/FCF -694.0x 17.4x 31.4x
P/Operating cash flow 403.4x 15.5x 9.6x
P/S 9.7x 2.4x 0.4x
P/B 9.3x 3.4x 1.6x
P/Tangible book 9.3x 3.7x 1.6x
EV/EBITDA 281.3x 9.3x 11.9x
EV/EBIT -200.7x 9.8x 17.5x
EV/Revenue 9.3x 2.1x 0.8x
EV/FCF -666.4x 15.2x 60.9x
EV/Operating cash flow 387.3x 13.6x 18.5x
PEG (3Y EPS CAGR) 2.26 1.08 0.37

Growth

14 metrics
MetricOPTXMLIPKOH
Revenue growth (1Y) 1.5% 20.8% 2.7%
Revenue CAGR (3Y) – 11.9% 0.8%
Gross profit growth (1Y) -14.9% 11.7% 4.9%
Gross profit CAGR (3Y) – 9.2% 5.6%
Operating income growth (1Y) -43.2% 12.4% -7.1%
Operating income CAGR (3Y) -56.0% 9.9% 10.1%
Net income growth (1Y) -53.5% 14.9% -4.7%
Net income CAGR (3Y) -52.3% 11.4% 66.6%
EPS growth (1Y) -44.6% 16.2% -6.0%
EPS CAGR (3Y) -50.5% 12.8% 62.5%
Operating cash flow growth (1Y) -40.6% 2.1% 476.1%
Operating cash flow CAGR (3Y) -37.2% 3.0% 93.5%
Free cash flow growth (1Y) -0.1% 1.9% 187.6%
Free cash flow CAGR (3Y) -30.1% 1.6% 46.1%

Profitability

14 metrics
MetricOPTXMLIPKOH
Gross margin 19.6% 27.3% 17.3%
EBITDA margin 3.3% 22.5% 6.3%
Operating margin -4.6% 21.5% 4.3%
Pretax margin -6.8% 22.8% 1.6%
Net margin -8.3% 17.3% 1.6%
FCF margin -1.4% 13.8% 1.2%
Operating cash flow margin 2.4% 15.4% 4.1%
Return on equity -12.3% 24.5% 6.9%
Return on assets -7.7% 20.4% 1.8%
Return on invested capital – 22.7% 6.1%
Return on capital employed -5.2% 29.7% 6.6%
Asset turnover 0.9x 1.2x 1.1x
Cash conversion (OCF / net income) -0.3x 0.9x 2.5x
Stock comp / revenue – 0.6% 0.3%

Financial Health

11 metrics
MetricOPTXMLIPKOH
Debt / assets 7.1% 0.1% 44.4%
Debt / equity 0.1x 0.0x 1.7x
Net debt / EBITDA -11.7x -1.3x 5.8x
Debt / FCF -6.8x 0.0x 31.8x
Liabilities / assets 21.5% 17.6% 73.3%
Equity / assets 78.5% 82.4% 26.7%
Interest coverage – 3,260x 1.4x
Current ratio 6.0x 4.4x 2.4x
Quick ratio 4.3x 3.4x 1.1x
Cash ratio 2.8x 2.3x 0.1x
Altman Z-score 21.94 13.54 –

Shareholder Returns

7 metrics
MetricOPTXMLIPKOH
Dividend yield – 1.2% 1.1%
Net buyback yield – 2.3% –
Shareholder yield – 3.5% 1.1%
Payout ratio (earnings) – 16.2% –
Payout ratio (FCF) – 20.5% –
Dividend growth (1Y) – 35.7% –
Dividend CAGR (3Y) – 30.2% –

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.

ConsensusOPTXMLIPKOH
Forward P/E – 13.6xFY2026 13.0xFY2026
EPS, next fiscal year – $4.03FY2026 $3.41FY2026
EPS growth, next FY – +17.5%FY2026 +26.3%FY2026
EPS growth, the year after – +10.2% +13.2%
Revenue, next fiscal year – $5.04BFY2026 $1.78BFY2026
Revenue growth, next FY – +20.5%FY2026 +11.5%FY2026
Revenue growth, the year after – +10.9% +5.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersOPTXMLIPKOH
Held by institutions 12.3% 95.3% 55.8%
Institutions holding 62 738 104
Change in shares held, QoQ +244.7% +6.5% +6.4%
Institutions buying 51 419 58
Institutions selling 8 226 27
Buyers to sellers 6.38 1.85 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.

OPTXMLIPKOH
OPTX 1.00 0.11 0.14
MLI 0.11 1.00 0.13
PKOH 0.14 0.13 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, OPTX, MLI and PKOH?

Mueller Industries (MLI) is the largest by market capitalisation: Syntec Optics Holdings (OPTX) $278.65M, Mueller Industries (MLI) $11.86B, Park Ohio Holdings (PKOH) $612.36M.

Which stock is cheaper, OPTX, MLI and PKOH?

Mueller Industries (MLI) trades on the lowest price-to-earnings ratio (Syntec Optics Holdings (OPTX) -115.4x, Mueller Industries (MLI) 13.7x, Park Ohio Holdings (PKOH) 23.1x). On next year's consensus earnings, Park Ohio Holdings (PKOH) is cheapest (Mueller Industries (MLI) 13.6x, 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?

Mueller Industries (MLI) grew revenue fastest over the trailing twelve months: Syntec Optics Holdings (OPTX) +1.5%, Mueller Industries (MLI) +20.8%, Park Ohio Holdings (PKOH) +2.7%.

Which company is more profitable?

Mueller Industries (MLI) has the highest net margin (Syntec Optics Holdings (OPTX) -8.3%, Mueller Industries (MLI) 17.3%, Park Ohio Holdings (PKOH) 1.6%). On return on invested capital, Mueller Industries (MLI) leads (Mueller Industries (MLI) 22.7%, Park Ohio Holdings (PKOH) 6.1%).

Which stock has performed better?

Over the past year Syntec Optics Holdings (OPTX) returned the most: Syntec Optics Holdings (OPTX) +177.9%, Mueller Industries (MLI) -47.1%, Park Ohio Holdings (PKOH) +117.3%. Over five years, Mueller Industries (MLI) compounded fastest (Mueller Industries (MLI) +15.8%/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: Syntec Optics Holdings (OPTX) 0.00%, Mueller Industries (MLI) 0.01%, Park Ohio Holdings (PKOH) 0.00%. Syntec Optics Holdings (OPTX) and Park Ohio Holdings (PKOH) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Park Ohio Holdings (PKOH) has been the steadiest (Syntec Optics Holdings (OPTX) 136.5%, Mueller Industries (MLI) 131.8%, Park Ohio Holdings (PKOH) 44.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, OPTX, MLI 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, Mueller Industries (MLI) 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.