GLW vs KOP vs ATI Stock Comparison

Corning, Koppers Holdings and Ati Prices as of Oct 26, 2026 Peers: Industry group
GLW Corning Inc /Ny
$127.80 -18.4% 1M +46.2% 1Y
Market cap
$109.18B
P/E
57.5x
Revenue (TTM)
$16.96B
Div. yield
0.01%
Specialty Chemicals Basic Materials
4 wins
KOP Koppers Holdings Inc.
$39.85 -13.8% 1M +36.8% 1Y
Market cap
$793.05M
P/E
–
Revenue (TTM)
$1.89B
Div. yield
–
Specialty Chemicals Basic Materials
2 wins
ATI Ati Inc
$164.50 -11.3% 1M +84.3% 1Y
Market cap
$22.65B
P/E
47.6x
Revenue (TTM)
$4.72B
Div. yield
–
Specialty Chemicals Basic Materials
5 wins

Head to Head

11 decided of 12

Ati leads on 5 of the 12 questions below (Ati 5, Corning 4, Koppers Holdings 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionGLWKOPATILeader
Larger companyMarket capitalisation $109.18B $793.05M $22.65B GLW
Cheaper on earningsLower P/E, profitable companies only 57.5x -9.1x 47.6x ATI
Cheaper on forward earningsLower price / next fiscal year consensus EPS 37.0x 10.4x 34.4x KOP
Faster revenue growthRevenue growth, trailing twelve months +19.4% -5.0% +4.6% GLW
More profitableNet margin, trailing twelve months 11.2% -4.6% 10.1% GLW
Better return on capitalReturn on invested capital 10.4% -2.7% 14.9% ATI
Less leveragedLower net debt / EBITDA 1.5x 23.6x 1.6x GLW
Higher dividend yieldTrailing dividend yield 0.01% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +46.2% +36.8% +84.3% ATI
Better 5-year returnAnnualised price return, 5 years +29.3%/yr +3.2%/yr +61.6%/yr ATI
Less volatileAnnualised volatility, 1 year 74.7% 35.5% 42.0% KOP
Higher overall scoreMean of the five percentile scores vs peers 57/100 48/100 58/100 ATI

Percentile Scorecard

GLWKOPATI

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

AxisGLWKOPATI
Valuation 18 #77 of 94 74 #25 of 94 14 #81 of 94
Growth 99 #2 of 92 26 #68 of 92 88 #12 of 92
Profitability 81 #18 of 89 41 #53 of 89 91 #9 of 89
Financial Health 59 #40 of 97 18 #80 of 97 49 #50 of 97
Shareholder Returns 28 #51 of 70 80 #15 of 70 48 #37 of 70
Overall 57 48 58
  • GLW ranked among 99 companies in Chemicals
  • KOP ranked among 99 companies in Chemicals
  • ATI ranked among 99 companies in Chemicals

Price Performance

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

Returns

PeriodGLWKOPATISPY
1 month -18.4%-13.8%-11.3% -0.8%
3 months -10.8%-19.6%-14.6% +3.5%
6 months -23.9%-3.6%+7.2% +7.0%
Year to date +46.0%+47.2%+43.3% +12.2%
1 year +46.2%+36.8%+84.3% +13.0%
3 years +380.6%+9.5%+337.6% +86.3%
3 years, per year +68.8%+3.1%+63.6% +23.1%
5 years +261.1%+17.1%+1,001.1% +68.6%
5 years, per year +29.3%+3.2%+61.6% +11.0%
10 years +455.2%+22.6%+1,052.8% +258.0%
10 years, per year +18.7%+2.1%+27.7% +13.6%

Risk

MeasureGLWKOPATISPY
Volatility, 1Y 74.7%35.5%42.0% 12.7%
Downside volatility, 1Y 75.7%36.2%40.5% 12.7%
Beta vs S&P 500, 1Y 3.030.941.65 1.00
Return / volatility, 1Y 0.621.042.01 1.02
Max drawdown, 5Y -51.6%-58.8%-38.0% -25.4%
From 52-week high -50.0%-23.8%-29.0% -1.8%
52-week high $255.69$52.33$231.79 $779.14
52-week low $78.03$26.67$91.71 $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.

MultipleGLWKOPATI
P/E now vs peer median 58.0xmedian 21.6x -8.8xmedian 21.6x 47.1xmedian 21.6x
P/S now vs peer median 6.5xmedian 1.4x 0.4xmedian 1.4x 4.8xmedian 1.4x
EV/EBITDA now vs peer median 28.8xmedian 12.4x 44.4xmedian 12.4x 26.7xmedian 12.4x
P/FCF now vs peer median 46.0xmedian 15.8x 5.4xmedian 15.8x 42.6xmedian 15.8x
P/B now vs peer median 8.4xmedian 1.6x 1.9xmedian 1.6x 11.2xmedian 1.6x
PEG now vs peer median 1.33median 1.66 0.19median 1.66 5.31median 1.66

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 monthsGLWKOPATI
Revenue $16.96B $1.89B $4.72B
Gross profit $6.17B $423.40M $1.10B
Operating income $2.60B -$42.30M $716.80M
Net income $2.07B -$86.90M $488.90M
Free cash flow $2.40B $138.70M $526.30M
R&D $1.14B – –
EPS (diluted) $2.17 $-4.54 $3.44
Cash & equivalents $2.50B $40.70M $783.00M
Total debt $8.47B $897.60M $2.19B
Shares (diluted) 875.00M 19.13M 138.30M
Enterprise value $101.75B $633.65M $20.68B

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
MetricGLWKOPATI
P/E 58.0x -8.8x 47.1x
P/FCF 46.0x 5.4x 42.6x
P/Operating cash flow 28.1x 3.9x 27.8x
P/S 6.5x 0.4x 4.8x
P/B 8.4x 1.9x 11.2x
P/Tangible book 8.8x 2.6x 11.2x
EV/EBITDA 28.8x 44.4x 26.7x
EV/EBIT 44.7x -38.1x 33.2x
EV/Revenue 6.8x 0.9x 5.0x
EV/FCF 48.5x 11.6x 45.2x
EV/Operating cash flow 29.6x 8.4x 29.6x
PEG (3Y EPS CAGR) 1.33 0.19 5.31

Growth

14 metrics
MetricGLWKOPATI
Revenue growth (1Y) 19.4% -5.0% 4.6%
Revenue CAGR (3Y) 8.4% -3.5% 4.5%
Gross profit growth (1Y) 24.9% -0.3% 15.7%
Gross profit CAGR (3Y) 15.6% 2.9% 12.6%
Operating income growth (1Y) 51.7% -134.6% 8.8%
Operating income CAGR (3Y) 39.6% -30.9% 16.4%
Net income growth (1Y) 128.4% -675.5% 12.9%
Net income CAGR (3Y) 44.1% -44.9% 5.8%
EPS growth (1Y) 129.3% -708.8% 17.9%
EPS CAGR (3Y) 43.7% -46.9% 8.9%
Operating cash flow growth (1Y) 79.5% 44.4% 69.9%
Operating cash flow CAGR (3Y) 27.4% 34.2% –
Free cash flow growth (1Y) 100.6% 92.9% 123.6%
Free cash flow CAGR (3Y) 111.0% 83.6% –

Profitability

14 metrics
MetricGLWKOPATI
Gross margin 36.4% 22.4% 23.4%
EBITDA margin 23.8% 1.9% 18.9%
Operating margin 15.3% -2.2% 15.2%
Pretax margin 14.2% -5.2% 12.7%
Net margin 11.2% -4.6% 10.1%
FCF margin 14.1% 7.3% 11.2%
Operating cash flow margin 23.1% 10.1% 17.1%
Return on equity 16.3% -18.6% 25.2%
Return on assets 6.5% -4.8% 8.9%
Return on invested capital 10.4% -2.7% 14.9%
Return on capital employed 10.0% -2.8% 17.6%
Asset turnover 0.5x 1.1x 0.9x
Cash conversion (OCF / net income) 1.9x -2.2x 1.6x
Stock comp / revenue 2.5% 0.6% 0.6%

Financial Health

11 metrics
MetricGLWKOPATI
Debt / assets 25.7% 52.1% 38.2%
Debt / equity 0.6x 2.3x 1.1x
Net debt / EBITDA 1.5x 23.6x 1.6x
Debt / FCF 3.5x 6.5x 4.2x
Liabilities / assets 60.2% 77.5% 65.2%
Equity / assets 39.8% 22.5% 34.8%
Interest coverage 7.3x -0.7x –
Current ratio 1.8x 2.3x 2.3x
Quick ratio 0.9x 0.9x 1.1x
Cash ratio 0.4x 0.1x 0.6x
Altman Z-score 5.00 1.95 5.40

Shareholder Returns

7 metrics
MetricGLWKOPATI
Dividend yield 0.9% 0.9% –
Net buyback yield -0.5% 6.8% 1.2%
Shareholder yield 0.4% 7.7% 1.2%
Payout ratio (earnings) 47.8% – –
Payout ratio (FCF) 41.4% – –
Dividend growth (1Y) -0.3% – –
Dividend CAGR (3Y) 0.9% – –

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.

ConsensusGLWKOPATI
Forward P/E 37.0xFY2026 10.4xFY2026 34.4xFY2026
EPS, next fiscal year $3.45FY2026 $3.83FY2026 $4.78FY2026
EPS growth, next FY +36.9%FY2026 -5.9%FY2026 +47.5%FY2026
EPS growth, the year after +24.1% +23.5% +23.4%
Revenue, next fiscal year $18.34BFY2026 $1.85BFY2026 $5.24BFY2026
Revenue growth, next FY +11.8%FY2026 -1.6%FY2026 +14.2%FY2026
Revenue growth, the year after +31.0% +2.4% +13.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersGLWKOPATI
Held by institutions 73.0% 100.0% 93.5%
Institutions holding 2,680 219 785
Change in shares held, QoQ +3.5% +1.7% +0.9%
Institutions buying 1,474 108 478
Institutions selling 949 66 217
Buyers to sellers 1.55 1.64 2.20

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.

GLWKOPATI
GLW 1.00 0.15 0.53
KOP 0.15 1.00 0.24
ATI 0.53 0.24 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, GLW, KOP and ATI?

Corning (GLW) is the largest by market capitalisation: Corning (GLW) $109.18B, Koppers Holdings (KOP) $793.05M, Ati (ATI) $22.65B.

Which stock is cheaper, GLW, KOP and ATI?

Ati (ATI) trades on the lowest price-to-earnings ratio (Corning (GLW) 57.5x, Koppers Holdings (KOP) -9.1x, Ati (ATI) 47.6x). On next year's consensus earnings, Koppers Holdings (KOP) is cheapest (Corning (GLW) 37.0x, Koppers Holdings (KOP) 10.4x, Ati (ATI) 34.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Corning (GLW) grew revenue fastest over the trailing twelve months: Corning (GLW) +19.4%, Koppers Holdings (KOP) -5.0%, Ati (ATI) +4.6%.

Which company is more profitable?

Corning (GLW) has the highest net margin (Corning (GLW) 11.2%, Koppers Holdings (KOP) -4.6%, Ati (ATI) 10.1%). On return on invested capital, Ati (ATI) leads (Corning (GLW) 10.4%, Koppers Holdings (KOP) -2.7%, Ati (ATI) 14.9%).

Which stock has performed better?

Over the past year Ati (ATI) returned the most: Corning (GLW) +46.2%, Koppers Holdings (KOP) +36.8%, Ati (ATI) +84.3%. Over five years, Ati (ATI) compounded fastest (Corning (GLW) +29.3%/yr, Koppers Holdings (KOP) +3.2%/yr, Ati (ATI) +61.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Corning (GLW) 0.01%, Koppers Holdings (KOP) 0.00%, Ati (ATI) 0.00%. Koppers Holdings (KOP) and Ati (ATI) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Koppers Holdings (KOP) has been the steadiest (Corning (GLW) 74.7%, Koppers Holdings (KOP) 35.5%, Ati (ATI) 42.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, GLW, KOP and ATI?

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