Stock Analysis
Corning IncorporatedGLW
P/E 59.84×· 5Y range 12.67–303.39×· 61th percentile of history
Sector: Industrials · Industry: Drawing & Insulating Of Nonferrous Wire
AnalystsStrong Buy21 analystsP/E 59.8× sits at the 61st percentile of its 5.089664613278576-year history.
Cash covers 18% of debt · FY 2025.
PMP Verdict
High quality, fairly valued
Strengths
- Quality97
- Financial Health80
Risks
- Growth31
Strong fundamentals at a reasonable valuation.
Market context
-4.6% today· Z 1.4σ
Bull Case
- ✓Piotroski F-Score 7/9 — high earnings quality
- ✓Altman Z 5.3 — safe-zone balance sheet
- ✓ROE 16.1% — efficient capital deployment
- ✓Interest coverage 14.9× — debt well covered
What's happening with GLW
Profile
Strong earnings quality and financial health; valuation, growth and moat lag behind.
How is each axis scored?
- Valuation22/100 · Weak
- P/E vs own history (61th pct)5/25
- FCF yield (2.1%)5/25
- P/S (6.6x)12/25
- EV/EBIT (46.0x)0/25
- Growth31/100 · Weak
- Revenue CAGR (2.6%)6/25
- Net income CAGR (-4.3%)0/25
- EPS CAGR 5Y (n/a)0/25
- Fwd implied growth (50.0%)25/25
- Profitability72/100 · Moderate
- ROIC (11.0%)12/25
- ROE (16.1%)20/25
- Net margin (11.2%)20/25
- Operating margin (15.3%)20/25
- Financial Health80/100 · Strong
- Altman Z (5.29)25/25
- Current ratio (1.59)18/25
- Interest coverage (14.9x)25/25
- Net cash / debt (D/A 22%)12/25
- Quality97/100 · Strong
- Piotroski F (7/9)22/25
- Beneish M (-2.57)25/25
- FCF conversion (126%)25/25
- Margin stability (σ 4.9%)25/25
- Moat43/100 · Weak
- ROIC >12% years (0/10 yrs)0/25
- Median gross margin (35.5%)13/25
- FCF-positive years (6/6 yrs)25/25
- Worst-year net margin (worst -4.9%)5/25
About Corning Incorporated
Corning is a provider of glass, ceramics, and optical fiber across six distinct end markets. Show more
Corning's largest segments by revenue are display glass for TVs and optical fiber for telecom networks and data centers. It also provides cover glass for smartphones as well as filters and substrates and glass for cars, produces pharmaceutical glass, and produces polysilicon for solar panels. Corning is a US producer and is vertically integrated across its products and markets.
Headquarters: CORNING, NY · Employees: 67,200 · Website ↗
Price History
Weekly Candlestick Chart — up to 5Y
Key Metrics
Financial snapshot · Tap any metric for its definition and grade
TTM Snapshot
trailing twelve months · YoYValuation
22EP/E (TTM)59.3xD
Grade D: ExpensivePrice / TTM EPS (own statements) — vs own 5Y history: 12.7x–303.4x · 61st pct
P/FCF49.2xD
Grade D: ExpensivePrice / Free Cash Flow per share (Finnhub). Inverse of FCF yield — negative when FCF is negative
FCF Yield2.1%C
Grade C: LowTTM (OCF − CapEx) / Market Cap — vs own 5Y history: 0.7%–2.1% · 98th pct
P/S (TTM)6.64xC
Grade C: ExpensivePrice / TTM Revenue (own statements) — vs own 5Y history: 1.7x–13.6x · 85th pct
EV/EBIT46.0xD
Grade D: ExpensiveEnterprise value / TTM EBIT (D&A not in our data) — capital-structure neutral — vs own 5Y history: 14.5x–306.9x · 70th pct
EV/Sales7.3xC
Grade C: ExpensiveEnterprise Value / TTM Revenue (Finnhub) — capital-structure neutral sales multiple
Forward P/E39.6xD
Grade D: ExpensivePrice / next-year EPS estimate — shows whether the TTM multiple is rich or just front-loading growth
P/B Ratio9.55xD
Grade D: Very expensivePrice to Book Value. Neg. equity = heavy buybacks
PEG Ratio2.31C
Grade C: ExpensiveFinnhub PEG — their P/E basis ÷ expected EPS growth. Suppressed when their P/E diverges >2× from our TTM P/E (different basis)
Dividend Yield0.84%A
Grade A: PaysTTM dividend yield (Finnhub) — annual dividends / price. None = no dividend; very high yield can signal distress
Payout Ratio52.2%A
Grade A: SafeDividends / Net Income (Finnhub) — share of earnings paid out; >90% or negative = unsustainable
Profitability
72B+ROIC11.0%C
Grade C: AverageNOPAT (EBIT less ~21% tax) / invested capital (equity + debt − cash). Flagship quality metric — durable >15% signals a moat
ROE16.1%C
Grade C: AverageReturn on Equity. Neg. equity = heavy buybacks
ROA6.1%C
Grade C: AverageReturn on Assets (Finnhub) — Net Income / Total Assets; how efficiently assets produce profit
Net Margin11.2%A
Grade A: HighNet Income / Revenue
Operating Margin15.3%C
Grade C: AverageTTM EBIT / TTM Revenue
Gross Margin36.4%C
Grade C: AverageGross Profit / Revenue
FCF Margin14.1%C
Grade C: AverageFCF / Revenue
True FCF Margin11.6%C
Grade C: AverageTTM (OCF − CapEx − SBC) / TTM Revenue — SBC treated as a real cost
Growth
31DRevenue CAGR2.6%D
Grade D: LowCompound annual revenue growth (up to 5Y depending on data availability)
Net Income CAGR-4.3%D
Grade D: LowCompound annual net income growth (up to 5Y depending on data availability)
EPS CAGR (5Y)—
Compound annual EPS growth over up to 5Y of per-share earnings (own statements). Null when either endpoint EPS ≤ 0
Implied EPS Growth50.0%A
Grade A: HighAnalyst forward EPS (normalized basis) vs our GAAP TTM EPS — different bases, so extreme values usually mark cyclically depressed TTM earnings, not real growth
Dilution (5Y)—
Share count change over 5Y
SBC / Net Income22.1%D
Grade D: HighStock-based comp/Net income. >30% = dilution risk
SBC / Revenue2.5%A
Grade A: LowTTM stock-based comp / TTM Revenue
Financial Health
80AAltman Z-Score5.29A
Grade A: SafeBankruptcy risk. >3 Safe, <1.8 Distress
Current Ratio1.59xC
Grade C: OkCurrent Assets/Liabilities
Quick Ratio1.24xA
Grade A: High(Current Assets − Inventory) / Current Liabilities (Finnhub) — stricter liquidity test, excludes inventory
Interest Coverage14.9xA
Grade A: StrongEBIT/Interest. >10 Strong
Debt Repayment2.9yA
Grade A: FastYears to repay net debt via FCF
Net Debt/EBIT2.6xC
Grade C: MedLeverage. <2x Low, >4x High
Debt/Equity0.71xA
Grade A: LowDebt / Equity: <1 Conservative, >2 Risky. Not meaningful with non-positive equity; shown as unavailable rather than low debt.
Cash / Debt0.18xD
Grade D: ThinCash covers how much of total debt. >1 = could repay all debt from cash
Quality
97A+Piotroski F-Score7/9A
Grade A: StrongFinancial strength 0–9. >7 Strong
Beneish M-Score-2.57A
Grade A: SafeEarnings manipulation risk. < -2.22 Safe
FCF Conversion126.1%A
Grade A: StrongFCF / Net Income
Margin Stability4.9%A
Grade A: StableEBIT margin std deviation. Lower = stable
Capex / Revenue9.0%C
Grade C: AverageTTM CapEx / TTM Revenue — high % = capital-hungry business
Asset Turnover0.54xC
Grade C: AverageRevenue / Total Assets (Finnhub) — how efficiently the asset base generates sales
Insider Transactions
SEC Form 4 · 8 recordsP/S codes are the directional signal; grants, option exercises and tax withholding carry none. Form 4 doesn't flag 10b5-1 plans — scheduled sales may appear within open-market sells.
| Trade date | Insider | Transaction | Shares | Filed |
|---|---|---|---|---|
Martin Kevin J Filed | Martin Kevin J | Grant / award | +228 | |
Ferguson Roger W. Jr. Filed | Ferguson Roger W. Jr. | Grant / award | +268 | |
BURNS STEPHANIE Filed | BURNS STEPHANIE | Grant / award | +268 | |
CUMMINGS ROBERT F JR Filed | CUMMINGS ROBERT F JR | Grant / award | +268 | |
Gullo Michelle L Filed | Gullo Michelle L | SellOpen market sale | -9874 |
Show 3 more filingsShow fewer filings
| Trade date | Insider | Transaction | Shares | Filed |
|---|---|---|---|---|
STEVERSON LEWIS A Filed | STEVERSON LEWIS A | SellOpen market sale | -13100 | |
Martin Kevin J Filed | Martin Kevin J | Grant / award | +137 | |
Ferguson Roger W. Jr. Filed | Ferguson Roger W. Jr. | Grant / award | +161 |
More metrics — Moat, Per Share, Balance Sheet, MarketHide additional metrics
Moat
43D+ROIC >12% Years0/10 yrsD
Grade D: WeakShare of completed fiscal years with ROIC > 12% — measures multi-year capital-return durability
Gross Margin (Med.)35.5%C
Grade C: ModerateMedian annual gross margin across available fiscal years — pricing-power durability
FCF-Positive Years6/6 yrsA
Grade A: DurableShare of completed fiscal years with positive free cash flow
Net Margin Floor-4.9%D
Grade D: WeakWeakest annual net margin across completed fiscal years — recession/downcycle resilience
Per Share
EPS (TTM)$2.21
Own TTM net income / shares — same earnings basis as P/E
Cash / Share$2.76
Cash & short-term investments per share (Finnhub)
Book Value / Share$13.86
Shareholders' equity per share (Finnhub). Negative = accumulated losses / heavy buybacks
Balance Sheet
Total Debt$8.40B
Total debt obligations (short + long term)
Cash & Equiv.$1.53B
Cash and short-term investments
Net Debt$6.88B
Total Debt minus Cash. Negative = Net Cash position
Total Equity$11.81B
Shareholders' equity (book value)
Asset / Liability1.66xC
Grade C: AdequateTotal Assets / Total Liabilities
Market
Market Cap$112.72B
Current Market Capitalization
Beta1.18B
Grade B: MarketPrice sensitivity vs the market (Finnhub) — 1.0 moves with market, >1.2 amplifies swings
How grades work: each metric is graded A–D against fixed thresholds (tap a row for the meaning). Card grades map the pillar score to A+–E — a card grade is that pillar's own score, not an average of the rows shown.
Financials as of Jun 2026 · Ratio snapshot Oct 17, 2026
Key Insights: Corning Incorporated (GLW)
GLW is down 4.64% at the last close. Corning Incorporated meets 7 of 9 Piotroski F-Score criteria, placing its fundamental strength in the top tier of US-listed stocks. Altman Z-Score of 5.29 sits comfortably in the safe zone (≥ 2.99), indicating low bankruptcy risk. Beneish M-Score of -2.57 suggests a low likelihood of earnings manipulation.
- Takes ~2.9 years to repay net debt from free cash flow.
- Corning Incorporated posted a net loss in 1 of 10 available completed fiscal years (2016–2025).
- At a valuation score of 22/100, GLW trades at a premium to its historical multiples (P/E 59.3).
See how GLW ranks on the Capex Tracker — top 50 capital spenders compared.
Recent Market Moves
See all GLW moves →| Date | Session | Price | Move | Z-Score |
|---|---|---|---|---|
| Oct 14 | After-hours | 136.72 | -7.96% | -2.29 |
| Oct 12 | Regular | 146.52 | -6.48% | -2.11 |
| Oct 12 | After-hours | 145.41 | -7.19% | -2.33 |
Frequently Asked Questions about GLW
What is the current Corning Incorporated (GLW) stock price?
GLW is trading at $132.00 at the last market close, down 4.64% on the session. PreMarketPrice tracks GLW pre-market, intraday and after-hours prices.
Is GLW stock a buy right now?
PreMarketPrice's quantitative model rates Corning Incorporated's financial health at 80/100. This is a data-driven snapshot of fundamentals, not investment advice.
Is GLW stock overvalued?
Corning Incorporated trades at a trailing P/E of 59.3 and our valuation score rates it 22/100 (higher = cheaper vs. its own history). See the Valuation History and Key Metrics sections for forward P/E, EV/EBITDA and PEG context.
When does Corning Incorporated report earnings?
No confirmed earnings date is currently scheduled for GLW. The Earnings section lists recent reports and updates as dates are announced.
What sector does Corning Incorporated operate in?
Corning Incorporated operates in the Industrials sector, within the Drawing & Insulating Of Nonferrous Wire industry. The Related Stocks section lists sector peers for comparison.
What does Corning Incorporated do?
Corning is a provider of glass, ceramics, and optical fiber across six distinct end markets.
About Corning Incorporated (GLW) Stock
Corning Incorporated (GLW) is a US-listed stock operating in the Industrials sector, specifically the Drawing & Insulating Of Nonferrous Wire industry. As of the latest update, Corning Incorporated is trading at $132.00, down 4.64% on the day with a market capitalization of $112.7 billion. The financial health score for GLW is 80/100, which indicates excellent financial strength based on profitability, leverage, liquidity, and growth metrics. This page provides real-time pre-market pricing, earnings calendar, financial health analysis, and valuation metrics for GLW stock.
GLW Stock Analysis & Key Metrics
On PreMarketPrice, you can track Corning Incorporated (GLW) across multiple dimensions:
- Pre-market price & movement: Real-time GLW stock price with percentage change, updated continuously during pre-market and regular trading hours.
- Valuation & P/E history: Historical P/E, P/S, and P/B ratios for GLW with trend analysis and normalized valuation multiples.
- Financial statements: Revenue, net income, assets, liabilities, and equity for Corning Incorporated across multiple reporting periods.
- Financial health score: A composite score of 80/100 based on Altman Z-Score, Piotroski F-Score, profitability, and leverage metrics for GLW.
- Sector peers: Compare GLW against 4 other industrials stocks on key financial metrics.
Is GLW a Good Stock to Buy?
This page provides data-driven analysis to help you evaluate Corning Incorporated (GLW) as an investment. The financial health score of 80/100 suggests excellent financial fundamentals. Valuation metrics show whether the stock is trading above or below its historical average.However, this is not financial advice — always do your own research before investing.
Data on this page is sourced from real-time market feeds, Polygon.io, and Finnhub.Corning Incorporated (GLW) trades on NYSE/NASDAQ. Pre-market trading occurs 4:00 AM – 9:30 AM ET. Regular market hours are 9:30 AM – 4:00 PM ET.

