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GLW Corning Inc

NYSE, CIK 0000024741, fiscal year ends 12/31. Last price 123.69 on 2026-10-23, market value 106.5 billion dollars.

Machine-readable: GLW.json, GLW.md. Sections: Graham Defensive, Magic Formula, Momentum, Insider, Buffett Quality, Lynch GARP, Graham Enterprising, Piotroski F-Score, earnings record, insiders, filings and links.

Philosophy	Score	Status	Current inputs as of	History used	Price	Verification	Rules
Graham Defensive	51	ok	2025-12-31 stale: Revenue	2013–2025	2026-10-23	14 verified, 21 unverified	method
Magic Formula	10	ok	2026-03-31 stale: operating_income_q	—	2026-10-23	—	method
Momentum	56	ok	2026-10-23	—	2026-10-23	—	method
Insider	0	ok	2026-10-23	—	—	—	method
Buffett Quality	28	ok	2026-06-30	2016–2025	2026-10-23	0 verified, 47 unverified	method
Lynch GARP	48	ok	2026-06-30	2020–2025	2026-10-23	0 verified, 5 unverified	method
Graham Enterprising	58	ok	2026-06-30	2020–2025	2026-10-23	0 verified, 11 unverified	method
Piotroski F-Score	78	ok	—	2024–2026	—	0 verified, 27 unverified	method

Market value, source trail

market_value = traded_price (price date) / depositary_ratio x latest point-in-time SEC shares outstanding (share-count date shown; from the filing cover page, summed across share classes only where the issuer filing verifies the classes are economically equivalent (rule + evidence URL in the source text), else withheld; priced at the primary listed class, so where other classes trade at a different price the value is an approximation; restated only for issuer-verified splits after the count date); weighted-average share counts are never used

Input	Value	Unit	Period / date	Source
Traded price	123.69	USD per traded unit (share or ADS)	2026-10-23	Yahoo Finance
SEC shares outstanding	861,388,331	underlying shares	2026-07-24	SEC cover page 10-Q 0000024741-26-000255 (861,388,331 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/24741/000002474126000255/glw-20260630.htm 0000024741-26-000255
Depositary ratio	1.0	underlying shares per traded unit		domestic 10-K filer; SEC shares are the traded units
Market value price date × latest reported shares	106,545,122,661	USD	2026-10-23 shares at 2026-07-24	123.69 (price 2026-10-23) / 1 x 861,388,331 (shares at 2026-07-24) = 106,545,122,661

Graham Defensive

51 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Adequate size	15.63 revenue $B	>= 1	5.0 / 5
2a Current ratio	1.81	>= 2.0	12.2 / 15
2b Long-term debt vs working capital	1.58 LTD / WC	<= 1.0	6.2 / 15
3 Positive earnings each of 10 years	9 of 10	10 of 10	13.5 / 15
4 Dividends every year for 20 years	19 of 20 missing 2006 XBRL check: 13 years agree, 7 unverified	20 of 20	14.25 / 15
5 EPS growth, 3-yr avg now vs 10 yrs ago	1.99 -> 1.03 (-48%)	>= +33%	0.0 / 10
6 P/E on 3-year average EPS	120.1	<= 15	0.0 / 15
7 P/B <= 1.5, or P/E x P/B <= 22.5	P/B 8.48, product 1018.7	<= 1.5 or <= 22.5	0.0 / 10

Inputs, 37 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	123.69	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
Revenue	15629000000.0	2025-12-31 stale	SEC XBRL Revenues 0000024741-26-000124	unverified
current_assets	10917000000.0	2026-06-30	SEC XBRL AssetsCurrent 0000024741-26-000255	unverified
current_liabilities	6021000000.0	2026-06-30	SEC XBRL LiabilitiesCurrent 0000024741-26-000255	unverified
lt_debt	7756000000.0	2026-06-30	SEC XBRL LongTermDebtAndCapitalLeaseObligations 0000024741-26-000255	unverified
equity	12560000000.0	2026-06-30	SEC XBRL StockholdersEquity 0000024741-26-000255	unverified
Net income FY2016	3695000000.0	2016-12-31 history	SEC XBRL NetIncomeLoss 0000024741-19-000016	unverified
Net income FY2017	-497000000.0	2017-12-31 history	SEC XBRL NetIncomeLoss 0000024741-20-000014	unverified
Net income FY2018	1066000000.0	2018-12-31 history	SEC XBRL NetIncomeLoss 0001562762-21-000023	unverified
Net income FY2019	960000000.0	2019-12-31 history	SEC XBRL NetIncomeLoss 0001437749-22-003247	unverified
Net income FY2020	512000000.0	2020-12-31 history	SEC XBRL NetIncomeLoss 0001437749-23-003123	unverified
Net income FY2021	1906000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001437749-24-003735	unverified
Net income FY2022	1316000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001628280-25-005347	unverified
Net income FY2023	581000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Net income FY2024	506000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Net income FY2025	1596000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Dividend years (Yahoo)	[1997, 1998, 1999, 2000, 2001, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026]	history	Yahoo Finance dividend history	verified (partly: XBRL covers 13 of 20 years)
Dividends per share FY2013 (XBRL)	0.39	2013-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-16-000077	verified
Dividends per share FY2014 (XBRL)	0.52	2014-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-17-000011	verified
Dividends per share FY2015 (XBRL)	0.36	2015-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-18-000010	verified
Dividends per share FY2016 (XBRL)	0.54	2016-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-19-000016	verified
Dividends per share FY2017 (XBRL)	0.62	2017-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-19-000016	verified
Dividends per share FY2018 (XBRL)	0.72	2018-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001562762-21-000023	verified
Dividends per share FY2019 (XBRL)	0.8	2019-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001437749-22-003247	verified
Dividends per share FY2020 (XBRL)	0.88	2020-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001437749-23-003123	verified
Dividends per share FY2021 (XBRL)	0.96	2021-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001437749-24-003735	verified
Dividends per share FY2022 (XBRL)	1.08	2022-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001628280-25-005347	verified
Dividends per share FY2023 (XBRL)	1.12	2023-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-26-000124	verified
Dividends per share FY2024 (XBRL)	1.12	2024-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-26-000124	verified
Dividends per share FY2025 (XBRL)	1.12	2025-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0000024741-26-000124	verified
EPS diluted FY2014	1.73	2014-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-17-000011	unverified
EPS diluted FY2015	1.0	2015-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-18-000010	unverified
EPS diluted FY2016	3.23	2016-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-19-000016	unverified
EPS diluted FY2023	0.68	2023-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-26-000124	unverified
EPS diluted FY2024	0.58	2024-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-26-000124	unverified
EPS diluted FY2025	1.83	2025-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-26-000124	unverified
Shares outstanding	861388331.0	2026-07-24	SEC cover page 10-Q 0000024741-26-000255 (861,388,331 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/24741/000002474126000255/glw-20260630.htm 0000024741-26-000255	not cross-checked

Magic Formula

10 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
Earnings yield (EBIT/EV) EBIT trailing twelve months; EV = market cap + debt (7,756,000,000) - cash	2.32 % (rank 172)
Return on capital (EBIT/(NWC+PPE)) net working capital 4,896,000,000 used as reported	13.11 % (rank 171)
Combined rank	343

Inputs, 13 numbers with their sources

Input	Value	Period	Source	Check
operating_income	2279000000.0	2025-12-31 history	SEC XBRL OperatingIncomeLoss 0000024741-26-000124	not cross-checked
operating_income_q	639000000.0	2026-03-31 stale	SEC XBRL OperatingIncomeLoss (quarter CY2026Q1) 0000024741-26-000205	not cross-checked
operating_income_q	445000000.0	2025-03-31 history	SEC XBRL OperatingIncomeLoss (quarter CY2025Q1) 0000024741-26-000205	not cross-checked
operating_income_q	698000000.0	2026-06-30	SEC XBRL OperatingIncomeLoss (quarter CY2026Q2) 0000024741-26-000255	not cross-checked
operating_income_q	573000000.0	2025-06-30 history	SEC XBRL OperatingIncomeLoss (quarter CY2025Q2) 0000024741-26-000255	not cross-checked
current_assets	10917000000.0	2026-06-30	SEC XBRL AssetsCurrent 0000024741-26-000255	not cross-checked
current_liabilities	6021000000.0	2026-06-30	SEC XBRL LiabilitiesCurrent 0000024741-26-000255	not cross-checked
cash	2504000000.0	2026-06-30	SEC XBRL CashAndCashEquivalentsAtCarryingValue 0000024741-26-000255	not cross-checked
ppe_net	14927000000.0	2026-06-30	SEC XBRL PropertyPlantAndEquipmentNet 0000024741-26-000255	not cross-checked
debt_incl_current	7756000000.0	2026-06-30	SEC XBRL LongTermDebtAndCapitalLeaseObligations 0000024741-26-000255	not cross-checked
shares_out	861388331.0	2026-07-24	SEC cover page 10-Q 0000024741-26-000255 (861,388,331 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/24741/000002474126000255/glw-20260630.htm 0000024741-26-000255	not cross-checked
Price (close)	123.69	2026-10-23	Yahoo Finance / Alpaca Market Data	not cross-checked
note	debt = LongTermDebt (incl. current maturities)			not cross-checked

Momentum

56 of 100. ok. How this is scored.

Test or factor	Value	Points
12-1 month return	81.5 % (percentile 94.2)	47.1 / 50
6 month return	-26.8 % (percentile 5.0)	1.0 / 20
Price / 52-week high	0.485	7.3 / 15
Volatility penalty (60d annualised)	68.6 %	0.6 / 15

Inputs, 1 numbers with their sources

Input	Value	Period	Source	Check
Adjusted close series (14 months)	123.69	2026-10-23	Yahoo Finance / Alpaca Market Data daily history	not cross-checked

Insider

0 of 100. ok. How this is scored. Form 4 data loaded through 2026-10-23

Test or factor	Value	Points
Open-market buy value / market cap (percentile among buyers)	0.0 bp	0.0 / 35
Distinct buyers	0	0.0 / 25
Buyer seniority	0.0	0.0 / 20
Recency (half-life 30d)	0.0	0.0 / 10
Sales penalty (excludes 10b5-1 plan sales)	0.33 bp	-5.0 / 0

Inputs, 2 numbers with their sources

Input	Value	Period	Source	Check
Form 4 S Gullo Michelle L 2026-09-04	1503711.46	2026-09-04	SEC Form 4 (insider transactions data set)	not cross-checked
Form 4 S STEVERSON LEWIS A 2026-08-28	1981899.0	2026-08-28	SEC Form 4 (insider transactions data set)	not cross-checked

Buffett Quality

28 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Average return on equity (net income / year-end equity)	8.6% over 8 yrs	>= 15%	2.1 / 25
2 Profitable every year	9 of 10	all years	13.5 / 15
3 Net income growth, 3-yr average now vs start of window	-6.4% a year	>= +10%	0.0 / 10
4 Borrowings / 3-yr average earnings (years to repay) LongTermDebt (incl. current maturities)	8.7 years	<= 4	0.0 / 15
5 Operating margin, 5-yr average	11.1%	>= 20%	2.6 / 10
6 Free cash flow / net income, 5-yr (operating cash flow minus capex)	0.98	>= 1.0	9.6 / 10
7 Owner-earnings yield (3-yr avg free cash flow / market cap)	0.9%	>= 7%	0.0 / 15

Inputs, 49 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	123.69	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
Net income FY2018	1066000000.0	2018-12-31 history	SEC XBRL NetIncomeLoss 0001562762-21-000023	unverified
Equity at FY2018 end	13792000000.0	2018-12-31 history	SEC XBRL StockholdersEquity 0000024741-20-000014	unverified
Net income FY2019	960000000.0	2019-12-31 history	SEC XBRL NetIncomeLoss 0001437749-22-003247	unverified
Equity at FY2019 end	12907000000.0	2019-12-31 history	SEC XBRL StockholdersEquity 0001562762-21-000023	unverified
Net income FY2020	512000000.0	2020-12-31 history	SEC XBRL NetIncomeLoss 0001437749-23-003123	unverified
Equity at FY2020 end	13257000000.0	2020-12-31 history	SEC XBRL StockholdersEquity 0001437749-22-003247	unverified
Net income FY2021	1906000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001437749-24-003735	unverified
Equity at FY2021 end	12333000000.0	2021-12-31 history	SEC XBRL StockholdersEquity 0001437749-23-003123	unverified
Net income FY2022	1316000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001628280-25-005347	unverified
Equity at FY2022 end	12008000000.0	2022-12-31 history	SEC XBRL StockholdersEquity 0001437749-24-003735	unverified
Net income FY2023	581000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Equity at FY2023 end	11551000000.0	2023-12-31 history	SEC XBRL StockholdersEquity 0001628280-25-005347	unverified
Net income FY2024	506000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Equity at FY2024 end	10686000000.0	2024-12-31 history	SEC XBRL StockholdersEquity 0000024741-26-000124	unverified
Net income FY2025	1596000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Equity at FY2025 end	11807000000.0	2025-12-31 history	SEC XBRL StockholdersEquity 0000024741-26-000255	unverified
Net income FY2016	3695000000.0	2016-12-31 history	SEC XBRL NetIncomeLoss 0000024741-19-000016	unverified
Net income FY2017	-497000000.0	2017-12-31 history	SEC XBRL NetIncomeLoss 0000024741-20-000014	unverified
Net income FY2018	1066000000.0	2018-12-31 history	SEC XBRL NetIncomeLoss 0001562762-21-000023	unverified
Net income FY2019	960000000.0	2019-12-31 history	SEC XBRL NetIncomeLoss 0001437749-22-003247	unverified
Net income FY2020	512000000.0	2020-12-31 history	SEC XBRL NetIncomeLoss 0001437749-23-003123	unverified
Net income FY2021	1906000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001437749-24-003735	unverified
Net income FY2022	1316000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001628280-25-005347	unverified
Net income FY2023	581000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Net income FY2024	506000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Net income FY2025	1596000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
debt_incl_current	7756000000.0	2026-06-30	SEC XBRL LongTermDebtAndCapitalLeaseObligations 0000024741-26-000255	unverified
Operating income FY2021	2112000000.0	2021-12-31 history	SEC XBRL OperatingIncomeLoss 0001437749-24-003735	unverified
Revenue FY2021	14082000000.0	2021-12-31 history	SEC XBRL Revenues 0001437749-24-003735	unverified
Operating income FY2022	1438000000.0	2022-12-31 history	SEC XBRL OperatingIncomeLoss 0001628280-25-005347	unverified
Revenue FY2022	14189000000.0	2022-12-31 history	SEC XBRL Revenues 0001628280-25-005347	unverified
Operating income FY2023	890000000.0	2023-12-31 history	SEC XBRL OperatingIncomeLoss 0000024741-26-000124	unverified
Revenue FY2023	12588000000.0	2023-12-31 history	SEC XBRL Revenues 0000024741-26-000124	unverified
Operating income FY2024	1135000000.0	2024-12-31 history	SEC XBRL OperatingIncomeLoss 0000024741-26-000124	unverified
Revenue FY2024	13118000000.0	2024-12-31 history	SEC XBRL Revenues 0000024741-26-000124	unverified
Operating income FY2025	2279000000.0	2025-12-31 history	SEC XBRL OperatingIncomeLoss 0000024741-26-000124	unverified
Revenue FY2025	15629000000.0	2025-12-31 history	SEC XBRL Revenues 0000024741-26-000124	unverified
Operating cash flow FY2021	3412000000.0	2021-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001437749-24-003735	unverified
Capital expenditure FY2021	1637000000.0	2021-12-31 history	SEC XBRL PaymentsForCapitalImprovements (10-K via companyfacts; capex fallback) 0001437749-24-003735	unverified
Operating cash flow FY2022	2615000000.0	2022-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001628280-25-005347	unverified
Capital expenditure FY2022	1604000000.0	2022-12-31 history	SEC XBRL PaymentsForCapitalImprovements (10-K via companyfacts; capex fallback) 0001628280-25-005347	unverified
Operating cash flow FY2023	2005000000.0	2023-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0000024741-26-000124	unverified
Capital expenditure FY2023	1390000000.0	2023-12-31 history	SEC XBRL PaymentsForCapitalImprovements (10-K via companyfacts; capex fallback) 0000024741-26-000124	unverified
Operating cash flow FY2024	1939000000.0	2024-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0000024741-26-000124	unverified
Capital expenditure FY2024	965000000.0	2024-12-31 history	SEC XBRL PaymentsForCapitalImprovements (10-K via companyfacts; capex fallback) 0000024741-26-000124	unverified
Operating cash flow FY2025	2695000000.0	2025-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0000024741-26-000124	unverified
Capital expenditure FY2025	1282000000.0	2025-12-31 history	SEC XBRL PaymentsForCapitalImprovements (10-K via companyfacts; capex fallback) 0000024741-26-000124	unverified
Shares outstanding	861388331.0	2026-07-24	SEC cover page 10-Q 0000024741-26-000255 (861,388,331 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/24741/000002474126000255/glw-20260630.htm 0000024741-26-000255	not cross-checked

Lynch GARP

48 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 PEG: P/E divided by 5-yr EPS growth (in % points)	2.44	<= 1.0	0.0 / 30
2 EPS growth, 5-yr compound rate	+27.6% a year	12% to 35% a year	20.0 / 20
3 P/E on latest annual EPS	67.6	<= 25	0.0 / 10
4 Borrowings / equity LongTermDebt (incl. current maturities)	0.62	<= 0.5	13.2 / 15
5 Years of the last 5 in which EPS rose	3 of 5	5 of 5	9.0 / 15
6 Net cash (cash minus borrowings) / market cap	-4.9%	>= +10%	5.7 / 10

Inputs, 6 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	123.69	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
EPS diluted FY2025	1.83	2025-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-26-000124	unverified
EPS diluted FY2020	0.54	2020-12-31 history	SEC XBRL EarningsPerShareDiluted 0001437749-23-003123	unverified
debt_incl_current	7756000000.0	2026-06-30	SEC XBRL LongTermDebtAndCapitalLeaseObligations 0000024741-26-000255	unverified
equity	12560000000.0	2026-06-30	SEC XBRL StockholdersEquity 0000024741-26-000255	unverified
cash	2504000000.0	2026-06-30	SEC XBRL CashAndCashEquivalentsAtCarryingValue 0000024741-26-000255	unverified

Graham Enterprising

58 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Current ratio	1.81	>= 1.5	15.0 / 15
2 Borrowings vs working capital LongTermDebt (incl. current maturities)	1.58 x	<= 1.1x	8.4 / 15
3 No earnings deficit in the last 5 years	5 of 5 profitable	5 of 5	15.0 / 15
4 Pays a current dividend	yes	yes	10.0 / 10
5 EPS higher than five years earlier	0.54 -> 1.83	higher	10.0 / 10
6 Price / book value per share book value used because intangibles are not separated in the dataset (Graham uses net tangible assets)	8.48	<= 1.2	0.0 / 20
7 Price / net current asset value per share (current assets minus all liabilities) net current asset value not positive	—	<= 0.67	0.0 / 15

Inputs, 14 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	123.69	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
current_assets	10917000000.0	2026-06-30	SEC XBRL AssetsCurrent 0000024741-26-000255	unverified
current_liabilities	6021000000.0	2026-06-30	SEC XBRL LiabilitiesCurrent 0000024741-26-000255	unverified
debt_incl_current	7756000000.0	2026-06-30	SEC XBRL LongTermDebtAndCapitalLeaseObligations 0000024741-26-000255	unverified
Net income FY2021	1906000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001437749-24-003735	unverified
Net income FY2022	1316000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001628280-25-005347	unverified
Net income FY2023	581000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Net income FY2024	506000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Net income FY2025	1596000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
Dividend years (Yahoo)	[2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026]	history	Yahoo Finance dividend history	not cross-checked
EPS diluted FY2025	1.83	2025-12-31 history	SEC XBRL EarningsPerShareDiluted 0000024741-26-000124	unverified
EPS diluted FY2020	0.54	2020-12-31 history	SEC XBRL EarningsPerShareDiluted 0001437749-23-003123	unverified
equity	12560000000.0	2026-06-30	SEC XBRL StockholdersEquity 0000024741-26-000255	unverified
Shares outstanding	861388331.0	2026-07-24	SEC cover page 10-Q 0000024741-26-000255 (861,388,331 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/24741/000002474126000255/glw-20260630.htm 0000024741-26-000255	not cross-checked

Piotroski F-Score

78 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Return on assets is positive	5.2%	pass = 1	11.11111111111111 / 11.11111111111111
2 Operating cash flow is positive	2,695M	pass = 1	11.11111111111111 / 11.11111111111111
3 Return on assets improved on the prior year	1.8% -> 5.2%	pass = 1	11.11111111111111 / 11.11111111111111
4 Operating cash flow exceeds net income (accruals)	2,695M vs 1,596M	pass = 1	11.11111111111111 / 11.11111111111111
5 Long-term debt / assets fell	24.8% -> 24.6%	pass = 1	11.11111111111111 / 11.11111111111111
6 Current ratio improved	1.62 -> 1.59	pass = 1	0.0 / 11.11111111111111
7 No new shares issued (share count did not rise)	857M -> 861M	pass = 1	0.0 / 11.11111111111111
8 Operating margin improved (stand-in for gross margin, which the dataset does not carry)	8.7% -> 14.6%	pass = 1	11.11111111111111 / 11.11111111111111
9 Asset turnover (revenue / assets) improved	0.47 -> 0.50	pass = 1	11.11111111111111 / 11.11111111111111

Inputs, 27 numbers with their sources

Input	Value	Period	Source	Check
net_income 2025-12-31	1596000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
total_assets 2025-12-31	30976000000.0	2025-12-31 history	SEC XBRL Assets 0000024741-26-000255	unverified
cfo 2025-12-31	2695000000.0	2025-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0000024741-26-000124	unverified
net_income 2025-12-31	1596000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
net_income 2024-12-31	506000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
total_assets 2025-12-31	30976000000.0	2025-12-31 history	SEC XBRL Assets 0000024741-26-000255	unverified
total_assets 2024-12-31	27735000000.0	2024-12-31 history	SEC XBRL Assets 0000024741-26-000124	unverified
cfo 2025-12-31	2695000000.0	2025-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0000024741-26-000124	unverified
net_income 2025-12-31	1596000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0000024741-26-000124	unverified
lt_debt 2025-12-31	7630000000.0	2025-12-31 history	SEC XBRL LongTermDebtAndCapitalLeaseObligations 0000024741-26-000255	unverified
lt_debt 2024-12-31	6885000000.0	2024-12-31 history	SEC XBRL LongTermDebtAndCapitalLeaseObligations 0000024741-26-000124	unverified
total_assets 2025-12-31	30976000000.0	2025-12-31 history	SEC XBRL Assets 0000024741-26-000255	unverified
total_assets 2024-12-31	27735000000.0	2024-12-31 history	SEC XBRL Assets 0000024741-26-000124	unverified
current_assets 2025-12-31	8936000000.0	2025-12-31 history	SEC XBRL AssetsCurrent 0000024741-26-000255	unverified
current_assets 2024-12-31	7992000000.0	2024-12-31 history	SEC XBRL AssetsCurrent 0000024741-26-000124	unverified
current_liabilities 2025-12-31	5628000000.0	2025-12-31 history	SEC XBRL LiabilitiesCurrent 0000024741-26-000255	unverified
current_liabilities 2024-12-31	4919000000.0	2024-12-31 history	SEC XBRL LiabilitiesCurrent 0000024741-26-000124	unverified
shares_out 2026-07-24	861388331.0	2026-07-24 history	SEC XBRL EntityCommonStockSharesOutstanding 0000024741-26-000255	unverified
shares_out 2025-07-25	856618711.0	2025-07-25 history	SEC XBRL EntityCommonStockSharesOutstanding 0001628280-25-037169	unverified
operating_income 2025-12-31	2279000000.0	2025-12-31 history	SEC XBRL OperatingIncomeLoss 0000024741-26-000124	unverified
operating_income 2024-12-31	1135000000.0	2024-12-31 history	SEC XBRL OperatingIncomeLoss 0000024741-26-000124	unverified
revenue 2025-12-31	15629000000.0	2025-12-31 history	SEC XBRL Revenues 0000024741-26-000124	unverified
revenue 2024-12-31	13118000000.0	2024-12-31 history	SEC XBRL Revenues 0000024741-26-000124	unverified
revenue 2025-12-31	15629000000.0	2025-12-31 history	SEC XBRL Revenues 0000024741-26-000124	unverified
revenue 2024-12-31	13118000000.0	2024-12-31 history	SEC XBRL Revenues 0000024741-26-000124	unverified
total_assets 2025-12-31	30976000000.0	2025-12-31 history	SEC XBRL Assets 0000024741-26-000255	unverified
total_assets 2024-12-31	27735000000.0	2024-12-31 history	SEC XBRL Assets 0000024741-26-000124	unverified

Earnings record

SEC XBRL, by fiscal year (named by the calendar year it ends in); EPS split-adjusted to today's shares; each row links to the filing.

FY	Ended	Revenue, $M	Net income, $M	EPS diluted	Dividend	Filing
2013	2013-12-31		1,961	1.34	paid	0000024741-16-000077
2014	2014-12-31		2,472	1.73	paid	0000024741-17-000011
2015	2015-12-31		1,339	1.0	paid	0000024741-18-000010
2016	2016-12-31	9,390	3,695	3.23	paid	0000024741-19-000016
2017	2017-12-31	10,116	-497	-0.66	paid	0000024741-20-000014
2018	2018-12-31	11,290	1,066	1.13	paid	0001562762-21-000023
2019	2019-12-31	11,503	960	1.07	paid	0001437749-22-003247
2020	2020-12-31	11,303	512	0.54	paid	0001437749-23-003123
2021	2021-12-31	14,082	1,906	1.28	paid	0001437749-24-003735
2022	2022-12-31	14,189	1,316	1.54	paid	0001628280-25-005347
2023	2023-12-31	12,588	581	0.68	paid	0000024741-26-000124
2024	2024-12-31	13,118	506	0.58	paid	0000024741-26-000124
2025	2025-12-31	15,629	1,596	1.83	paid	0000024741-26-000124

Insider transactions

SEC Form 4 open-market purchases and sales from the insider data sets; latest 20.

Date	Insider	Role	Type	Shares	Price	Value
2026-09-04	Gullo Michelle L	Pres	sale	9,874	152.29	1,503,711
2026-08-28	Steverson Lewis A	Chair	sale	13,100	151.29	1,981,899
2026-06-09	Weeks Wendell P	CEO	sale	100,000	186.46	18,646,000
2026-05-22	Amin Jaymin	officer	sale	27,395	192.14	5,263,675
2026-05-15	Nelson Avery H Iii	Pres	sale	20,000	195.93	3,918,600
2026-05-13	Verkleeren Ronald L	officer	sale	10,000	207.77	2,077,700
2026-05-11	Zhang John Z	Pres	sale	10,000	198.34	1,983,400
2026-05-11	Seetharam Soumya	Pres	sale	20,000	206.23	4,124,600
2026-05-11	Tillman Michaune D	officer	sale	3,260	207.02	674,885
2026-05-08	Becker Stefan	officer	sale	21,000	188.08	3,949,680
2026-05-08	Gullo Michelle L	Pres	sale	5,315	189.03	1,004,694
2026-05-08	Steverson Lewis A	Chair	sale	27,750	196.06	5,440,665
2026-05-07	Schlesinger Edward A	CFO	sale	22,562	186.08	4,198,337
2026-05-06	Zhang John Z	Pres	sale	15,000	184.67	2,770,050

Filings and links

Third-party sites are linked only; nothing from them is stored here.

SEC: filing index, 8-K, Form 4, XBRL companyfacts
Prices: Yahoo Finance, Stooq
Elsewhere: morningstar, finviz, stockanalysis, seeking alpha, openinsider, google news

Cite as: The Claude Trader snapshot 2026-10-26, https://theclaudetrader.com/s/GLW; data from SEC EDGAR XBRL and market prices (Alpaca Market Data, Yahoo Finance) to 2026-10-23. Data last checked 2026-10-26.