NNUP vs GLW vs ATI Stock Comparison

Nocopi Technologies, Corning and Ati Prices as of Nov 4, 2026 Peers: Industry group
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GLW Corning Inc /Ny
$118.79 -25.5% 1M +39.4% 1Y
Market cap
$102.33B
P/E
47.7x
Revenue (TTM)
$17.72B
Div. yield
0.94%
Specialty Chemicals Basic Materials
6 wins
ATI Ati Inc
$179.07 -7.3% 1M +86.5% 1Y
Market cap
$24.32B
P/E
43.9x
Revenue (TTM)
$5.01B
Div. yield
–
Specialty Chemicals Basic Materials
5 wins

Head to Head

11 decided of 12

Corning leads on 6 of the 12 questions below (Corning 6, Ati 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionNNUPGLWATILeader
Larger companyMarket capitalisation $17.03M $102.33B $24.32B GLW
Cheaper on earningsLower P/E, profitable companies only -25.2x 47.7x 43.9x ATI
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 34.4x 37.5x GLW
Faster revenue growthRevenue growth, trailing twelve months -4.5% +18.8% +9.4% GLW
More profitableNet margin, trailing twelve months -32.7% 12.1% 11.1% GLW
Better return on capitalReturn on invested capital — 11.0% 16.5% ATI
Less leveragedLower net debt / EBITDA — 1.3x 1.4x GLW
Higher dividend yieldTrailing dividend yield — 0.94% 0.00% –
Better 1-year returnPrice return, last 12 months -3.3% +39.4% +86.5% ATI
Better 5-year returnAnnualised price return, 5 years -4.2%/yr +25.4%/yr +58.8%/yr ATI
Less volatileAnnualised volatility, 1 year 66.6% 74.9% 42.3% ATI
Higher overall scoreMean of the five percentile scores vs peers 38/100 59/100 58/100 GLW

Percentile Scorecard

NNUPGLWATI

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

AxisNNUPGLWATI
Valuation 38 #59 of 95 26 #71 of 95 15 #81 of 95
Growth 16 #78 of 93 96 #5 of 93 87 #13 of 93
Profitability 33 #60 of 89 83 #16 of 89 89 #11 of 89
Financial Health 92 #9 of 96 59 #40 of 96 53 #46 of 96
Shareholder Returns 10 #67 of 74 30 #52 of 74 48 #39 of 74
Overall 38 59 58
  • NNUP ranked among 99 companies in Chemicals
  • GLW 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

PeriodNNUPGLWATISPY
1 month -16.7%-25.5%-7.3% -1.0%
3 months -15.7%-24.2%-12.8% -0.4%
6 months -0.7%-34.6%+8.5% +4.5%
Year to date -3.3%+35.7%+56.0% +12.4%
1 year -3.3%+39.4%+86.5% +13.6%
3 years -52.3%+325.3%+329.4% +76.4%
3 years, per year -21.9%+62.1%+62.6% +20.8%
5 years -19.4%+209.8%+909.4% +63.7%
5 years, per year -4.2%+25.4%+58.8% +10.4%
10 years +806.3%+430.3%+1,165.5% +267.7%
10 years, per year +24.7%+18.2%+28.9% +13.9%

Risk

MeasureNNUPGLWATISPY
Volatility, 1Y 66.6%74.9%42.3% 12.8%
Downside volatility, 1Y 86.0%76.7%41.3% 12.7%
Beta vs S&P 500, 1Y -0.082.951.61 1.00
Return / volatility, 1Y -0.050.532.05 1.06
Max drawdown, 5Y -71.6%-53.5%-38.0% -25.4%
From 52-week high -26.4%-53.5%-22.7% -1.6%
52-week high $1.97$255.69$231.79 $779.14
52-week low $1.40$78.03$94.80 $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.

MultipleNNUPGLWATI
P/E now vs peer median -25.2xmedian 20.8x 47.7xmedian 20.8x 43.9xmedian 20.8x
P/S now vs peer median 8.5xmedian 1.4x 5.8xmedian 1.4x 4.9xmedian 1.4x
EV/EBITDA now vs peer median -6.0xmedian 12.0x 24.5xmedian 12.0x 25.7xmedian 12.0x
P/FCF now vs peer median 31.4xmedian 16.1x 41.6xmedian 16.1x 57.8xmedian 16.1x
P/B now vs peer median 1.2xmedian 1.6x 7.2xmedian 1.6x 11.4xmedian 1.6x
PEG now vs peer median 0.83median 1.81 0.89median 1.81 3.30median 1.81

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 monthsNNUPGLWATI
Revenue $2.01M $17.72B $5.01B
Gross profit $896.18K $6.46B $1.23B
Operating income -$1.07M $2.92B $826.30M
Net income -$656.03K $2.35B $568.60M
Free cash flow $542.27K $2.46B $421.10M
R&D $195.80K $1.18B –
EPS (diluted) $-0.06 $2.47 $4.01
Cash & equivalents $10.69M $2.54B $442.30M
Total debt – $8.23B $1.86B
Shares (diluted) 11.40M 871.00M 138.40M
Enterprise value -$28.62M $94.62B $22.40B

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
MetricNNUPGLWATI
P/E -25.2x 47.7x 43.9x
P/FCF 31.4x 41.6x 57.8x
P/Operating cash flow 30.6x 24.4x 33.3x
P/S 8.5x 5.8x 4.9x
P/B 1.2x 7.2x 11.4x
P/Tangible book 1.2x 7.5x 11.4x
EV/EBITDA -6.0x 24.5x 25.7x
EV/EBIT -5.9x 37.0x 31.1x
EV/Revenue 3.2x 6.1x 5.1x
EV/FCF 11.7x 43.9x 61.1x
EV/Operating cash flow 11.4x 25.8x 35.2x
PEG (3Y EPS CAGR) 0.83 0.89 3.30

Growth

14 metrics
MetricNNUPGLWATI
Revenue growth (1Y) -4.5% 18.8% 9.4%
Revenue CAGR (3Y) -26.1% 10.9% 6.8%
Gross profit growth (1Y) -23.4% 21.4% 24.9%
Gross profit CAGR (3Y) -39.7% 18.0% 16.1%
Operating income growth (1Y) 14.7% 46.0% 21.7%
Operating income CAGR (3Y) -34.2% 48.2% 21.0%
Net income growth (1Y) 3.3% 57.2% 23.6%
Net income CAGR (3Y) -35.0% 53.6% 9.9%
EPS growth (1Y) 8.4% 56.9% 26.8%
EPS CAGR (3Y) -30.4% 53.6% 13.3%
Operating cash flow growth (1Y) -30.1% 85.0% 7.5%
Operating cash flow CAGR (3Y) 17.0% 30.0% –
Free cash flow growth (1Y) -31.7% 111.8% -5.2%
Free cash flow CAGR (3Y) 17.5% 84.0% –

Profitability

14 metrics
MetricNNUPGLWATI
Gross margin 44.7% 36.5% 24.5%
EBITDA margin -52.7% 24.9% 20.0%
Operating margin -53.5% 16.5% 16.5%
Pretax margin -32.7% 15.9% 13.9%
Net margin -32.7% 12.1% 11.1%
FCF margin 27.0% 13.9% 8.4%
Operating cash flow margin 27.7% 23.7% 14.6%
Return on equity -4.6% 17.1% 27.5%
Return on assets -4.3% 7.0% 10.1%
Return on invested capital – 11.0% 16.5%
Return on capital employed -7.6% 10.8% 18.1%
Asset turnover 0.1x 0.5x 0.9x
Cash conversion (OCF / net income) -0.8x 1.8x 1.3x
Stock comp / revenue 5.5% 2.1% 0.6%

Financial Health

11 metrics
MetricNNUPGLWATI
Debt / assets – 24.1% 33.4%
Debt / equity – 0.6x 0.9x
Net debt / EBITDA – 1.3x 1.4x
Debt / FCF – 3.3x 4.4x
Liabilities / assets 9.7% 58.1% 61.7%
Equity / assets 90.3% 41.9% 38.3%
Interest coverage -44.1x 8.0x –
Current ratio 12.1x 1.7x 2.8x
Quick ratio 10.4x 0.9x 1.2x
Cash ratio 9.3x 0.4x 0.4x
Altman Z-score 6.29 4.78 6.29

Shareholder Returns

7 metrics
MetricNNUPGLWATI
Dividend yield – 0.9% –
Net buyback yield -3.5% -0.5% 0.8%
Shareholder yield -3.5% 0.4% 0.8%
Payout ratio (earnings) – 43.1% –
Payout ratio (FCF) – 41.1% –
Dividend growth (1Y) – 1.9% –
Dividend CAGR (3Y) – 1.2% –

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.

ConsensusNNUPGLWATI
Forward P/E – 34.4xFY2026 37.5xFY2026
EPS, next fiscal year – $3.45FY2026 $4.78FY2026
EPS growth, next FY – +36.9%FY2026 +47.5%FY2026
EPS growth, the year after – +24.1% +23.4%
Revenue, next fiscal year – $18.34BFY2026 $5.24BFY2026
Revenue growth, next FY – +11.8%FY2026 +14.2%FY2026
Revenue growth, the year after – +31.0% +13.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNNUPGLWATI
Held by institutions – 73.0% 93.5%
Institutions holding – 2,687 788
Change in shares held, QoQ – +3.5% +0.9%
Institutions buying – 1,478 481
Institutions selling – 952 217
Buyers to sellers – 1.55 2.22

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.

NNUPGLWATI
NNUP 1.00 0.06 0.01
GLW 0.06 1.00 0.51
ATI 0.01 0.51 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NNUP, GLW and ATI?

Corning (GLW) is the largest by market capitalisation: Nocopi Technologies (NNUP) $17.03M, Corning (GLW) $102.33B, Ati (ATI) $24.32B.

Which stock is cheaper, NNUP, GLW and ATI?

Ati (ATI) trades on the lowest price-to-earnings ratio (Nocopi Technologies (NNUP) -25.2x, Corning (GLW) 47.7x, Ati (ATI) 43.9x). On next year's consensus earnings, Corning (GLW) is cheapest (Corning (GLW) 34.4x, Ati (ATI) 37.5x). 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: Nocopi Technologies (NNUP) -4.5%, Corning (GLW) +18.8%, Ati (ATI) +9.4%.

Which company is more profitable?

Corning (GLW) has the highest net margin (Nocopi Technologies (NNUP) -32.7%, Corning (GLW) 12.1%, Ati (ATI) 11.1%). On return on invested capital, Ati (ATI) leads (Corning (GLW) 11.0%, Ati (ATI) 16.5%).

Which stock has performed better?

Over the past year Ati (ATI) returned the most: Nocopi Technologies (NNUP) -3.3%, Corning (GLW) +39.4%, Ati (ATI) +86.5%. Over five years, Ati (ATI) compounded fastest (Nocopi Technologies (NNUP) -4.2%/yr, Corning (GLW) +25.4%/yr, Ati (ATI) +58.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Corning (GLW) 0.94%, Ati (ATI) 0.00%. Nocopi Technologies (NNUP) and Ati (ATI) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Ati (ATI) has been the steadiest (Nocopi Technologies (NNUP) 66.6%, Corning (GLW) 74.9%, Ati (ATI) 42.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NNUP, GLW 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, Corning (GLW) leads on 6. 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.