Percent change in each close since the start of the chosen range, for both companies and the S&P 500 (SPY). Daily closes over the last year, weekly before that and monthly before five years.
Amphenol's closes include a split-like jump in this range, so its line is left out.
In short
How the two compare
The latest filed P/E is 45.9 for Amphenol and 172.3 for Corning Inc., and the operating margin 23.8% against 12.9%. Over the next 21 sessions the model expects +0.48% for Amphenol, with a 75% chance of a rise, and −0.34% for Corning Inc., with a 33% chance. Amphenol has no published fair value today. Corning Inc.'s long-run fair value is $134.76, a gap of +2.7% to its price; the long-run model view is neutral.
Model view
What the model expects
Expected returns and the chance of a rise from our forecasting models, and the long-run fair value against the price. Readings, not advice.
Model readings:
MeasureAmphenol · APHCorning Inc. · GLW
Expected returnnext 21 sessions
APH+0.48%
GLW−0.34%
Chance of a risenext 21 sessions
APH75%
GLW33%
Expected returnnext 63 sessions
APH+0.22%
GLW+1.07%
Range of outcomes63 sessions, 80% band
APH−33.7% to +34.1%
GLW−43.4% to +45.5%
Chance of a risenext 63 sessionsMembers only · see plans
Long-run fair valueintrinsic value model
APH—The valuation was set at a price in another share basis than this close, so its fair value and gap are not printed.
GLW$134.7628 Oct 2026
Gap to pricefair value against the close
APH—The valuation was set at a price in another share basis than this close, so its fair value and gap are not printed.
GLW+2.7%
Past readings that matchedsign of the 21-session outcome
APH62.1%of 269
GLW61.3%of 269
Price performance
How the prices moved
Price change over each period, with the S&P 500 (SPY) for comparison.
Closes to
MeasureAmphenol · APHCorning Inc. · GLW
1 monthS&P 500: +1.1%
APH−4%
GLW−17.3%
6 monthsS&P 500: +8.5%
APH—Not measured today.
GLW−13.5%
Year to dateS&P 500: +13.3%
APH—Not measured today.
GLW+50.3%
1 yearS&P 500: +12.7%
APH—Not measured today.
GLW+47.8%
5 yearsS&P 500: +70.7%
APH—Not measured today.
GLW+287.2%
1 year against the S&P 500percentage points
APH—Not measured today.
GLW+35.1 pts
Position in the 52-week range0% low, 100% high
APH—Not measured today.
GLW28%close $131.20 in $77.13 to $271.78
Against the 200-day average
APH—Not measured today.
GLW−15.4%
Valuation
What the market pays
Size and the multiples from the latest filed quarter. A P/E on losses reads n/m.
Filings: quarter to
MeasureAmphenol · APHCorning Inc. · GLW
Market value
APH—Not measured today.
GLW$113.62B28 Oct 2026
Enterprise valueat the last filing
APH$239.76B30 Jun 2026
GLW$228.28B30 Jun 2026
P/Elatest filed
APH45.9
GLW172.3
Price to book
APH14.56
GLW19.98
EV / EBITDA
APH29.64
GLW74.21
Free cash flow yield
APH2.07%
GLW0.46%
Dividend yield
APH0.4%
GLW0.33%
Profitability
How much of revenue becomes profit
Margins and returns on capital from the latest filing; revenue, net income and earnings per share over the trailing twelve months.
Filings: quarter to
MeasureAmphenol · APHCorning Inc. · GLW
Gross margin
APH32.6%
GLW35.2%
Operating margin
APH23.8%
GLW12.9%
Net margin
APH16.3%
GLW4.6%
Return on equity
APH31.7%
GLW11.6%
Return on invested capital
APH5.9%
GLW1.8%
Revenuetrailing twelve months
APH$28.32B
GLW$15.22B
Net incometrailing twelve months
APH$4.95B
GLW$1.28B
Earnings per sharetrailing twelve months
APH$3.84
GLW$1.48
Growth
How fast the business grew
Change against the same quarter a year earlier.
Filings: quarter to
MeasureAmphenol · APHCorning Inc. · GLW
Revenue growthyear over year
APH+92.5%
GLW−10.6%
Earnings growthyear over year
APH+62.1%
GLW−66.5%
Free cash flow growthyear over year
APH+19.8%
GLW−116.6%
Financial health
Balance sheet and quality scores
Leverage, liquidity and two published scores: Altman Z (below 1.8 the distress zone, above 3 the safe zone) and Piotroski F (0 to 9).
Filings: quarter to
MeasureAmphenol · APHCorning Inc. · GLW
Debt to equity
APH1.10
GLW0.76
Current ratiocurrent assets over current liabilities
APH1.89
GLW1.59
Altman Z-score
APH5.69
GLW8.14
Piotroski F-scoreout of 9
APH6 of 9
GLW4 of 9
Trading and risk
How the shares trade
Volatility, sensitivity to the market, the deepest fall, short interest and how closely the two move together.
Closes to ; FINRA settlement
MeasureAmphenol · APHCorning Inc. · GLW
Volatility21 sessions, annualised
APH42.5%
GLW63%
Betaagainst the S&P 500, 5 years
APH—Not measured today.
GLW1.09
Deepest fallpeak to trough, 5 years
APH—Not measured today.
GLW−51.6%
Market regimeour reading at each model date
APHStrong risk-off
GLWStrong risk-off
Short interestshare of the float
APH2.9%settled 30 Sep 2026
GLW2%settled 30 Sep 2026
Days to covershort shares over average volume
APH2.3
GLW2.2
Average volume3 months, shares a day
APH—Not measured today.
GLW9.15M
Moving togethercorrelation of daily returns, past year—Under 200 shared sessions, or a split-like jump in the year.
Questions
Amphenol or Corning Inc.: common questions
Which has the higher P/E ratio, Amphenol or Corning Inc.?
Corning Inc. has the higher latest filed P/E, 172.3; Amphenol's is 45.9. Filings: quarter to 30 Jun 2026.
What does the model expect for Amphenol and Corning Inc. over the next month?
+0.48% for Amphenol with a 75% chance of a rise, and −0.34% for Corning Inc. with a 33% chance, over the next 21 sessions. Model readings 28 Oct 2026. These are model readings, not advice.
How do the operating margins of Amphenol and Corning Inc. compare?
The operating margin is 23.8% for Amphenol and 12.9% for Corning Inc., and the gross margin 32.6% against 35.2%. Filings: quarter to 30 Jun 2026.
In the consoleCompare up to four companies with every model readingMembers see the 63-session chance of a rise and all four horizons, side by side in Research › Compare.
Model readings are research estimates, not investment advice. Prices: daily closes. Fundamentals: the latest SEC filings. Short interest: FINRA, settlement 30 Sep 2026. A dash means the figure is not in our data; it is never shown as zero. The model view follows a published rule: next month by the sign of the expected return, the long run positive at a fair value 10% or more above the price and negative at 10% or more below it.