GLW vs. APH

Last updated Apr 1, 2026

Compare and contrast key facts about Corning Incorporated (GLW) and Amphenol Corporation (APH).

Performance

GLW vs. APH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Corning Incorporated (GLW) and Amphenol Corporation (APH). The values are adjusted to include any dividend payments, if applicable.

GLW vs. APH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GLW Corning Incorporated	55.58%	87.76%	60.64%	-1.23%	-11.56%	5.92%	27.57%	-1.02%	-3.28%	34.63%
APH Amphenol Corporation	-6.32%	96.08%	41.30%	31.85%	-11.96%	35.25%	22.09%	34.91%	-6.82%	31.81%

Fundamentals

Market Cap GLW : $116.93B APH : $162.83B
EPS GLW : $1.85 APH : $3.34
PE Ratio GLW : 73.44 APH : 37.88
PEG Ratio GLW : 1.78 APH : 1.26
PS Ratio GLW : 7.50 APH : 7.00
PB Ratio GLW : 9.90 APH : 12.14
Total Revenue (TTM) GLW : $15.63B APH : $23.09B
Gross Profit (TTM) GLW : $5.62B APH : $8.52B
EBITDA (TTM) GLW : $3.28B APH : $6.89B

Returns By Period

In the year-to-date period, GLW achieves a 55.58% return, which is significantly higher than APH's -6.32% return. Over the past 10 years, GLW has underperformed APH with an annualized return of 23.82%, while APH has yielded a comparatively higher 25.30% annualized return.

GLW

• 1D: 5.77%
• 1M: -9.58%
• YTD: 55.58%
• 6M: 66.63%
• 1Y: 201.48%
• 3Y*: 60.85%
• 5Y*: 28.70%
• 10Y*: 23.82%

APH

• 1D: 6.04%
• 1M: -13.32%
• YTD: -6.32%
• 6M: 2.50%
• 1Y: 94.00%
• 3Y*: 46.92%
• 5Y*: 31.66%
• 10Y*: 25.30%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

GLW vs. APH — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

GLW

GLW Risk / Return Rank: 98
GLW Sharpe Ratio Rank: 99
GLW Sortino Ratio Rank: 98
GLW Omega Ratio Rank: 97
GLW Calmar Ratio Rank: 98
GLW Martin Ratio Rank: 99

APH

APH Risk / Return Rank: 90
APH Sharpe Ratio Rank: 93
APH Sortino Ratio Rank: 89
APH Omega Ratio Rank: 91
APH Calmar Ratio Rank: 87
APH Martin Ratio Rank: 91

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

GLW vs. APH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Corning Incorporated (GLW) and Amphenol Corporation (APH). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	GLW	APH	Difference
Sharpe ratio Return per unit of total volatility	4.28	2.30	+1.98
Sortino ratio Return per unit of downside risk	4.19	2.65	+1.54
Omega ratio Gain probability vs. loss probability	1.63	1.40	+0.23
Calmar ratio Return relative to maximum drawdown	8.73	3.23	+5.50
Martin ratio Return relative to average drawdown	30.06	11.34	+18.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GLW vs. APH - Sharpe Ratio Comparison

The current GLW Sharpe Ratio is 4.28, which is higher than the APH Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of GLW and APH, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	GLW	APH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.28	2.30	+1.98
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.89	1.08	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.74	0.93	-0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.24	0.62	-0.38

Correlation

The correlation between GLW and APH is 0.44, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

GLW vs. APH - Dividend Comparison

GLW's dividend yield for the trailing twelve months is around 0.82%, more than APH's 0.66% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GLW Corning Incorporated	0.82%	1.28%	2.36%	3.68%	3.38%	2.58%	2.44%	2.75%	2.38%	1.94%	2.22%	2.63%
APH Amphenol Corporation	0.66%	0.55%	0.79%	1.07%	1.06%	0.89%	0.80%	0.89%	1.09%	0.80%	0.86%	1.01%

Drawdowns

GLW vs. APH - Drawdown Comparison

The maximum GLW drawdown since its inception was -99.02%, which is greater than APH's maximum drawdown of -63.41%. Use the drawdown chart below to compare losses from any high point for GLW and APH.

Drawdown Indicators

	GLW	APH	Difference
Max Drawdown Largest peak-to-trough decline	-99.02%	-63.41%	-35.61%
Max Drawdown (1Y) Largest decline over 1 year	-23.01%	-28.19%	+5.18%
Max Drawdown (5Y) Largest decline over 5 years	-38.11%	-28.73%	-9.38%
Max Drawdown (10Y) Largest decline over 10 years	-48.80%	-37.56%	-11.24%
Current Drawdown Current decline from peak	-15.09%	-23.85%	+8.76%
Average Drawdown Average peak-to-trough decline	-50.70%	-13.55%	-37.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.68%	8.03%	-1.35%

Volatility

GLW vs. APH - Volatility Comparison

Corning Incorporated (GLW) has a higher volatility of 23.43% compared to Amphenol Corporation (APH) at 14.30%. This indicates that GLW's price experiences larger fluctuations and is considered to be riskier than APH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GLW	APH	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.43%	14.30%	+9.13%
Volatility (6M) Calculated over the trailing 6-month period	40.10%	33.98%	+6.12%
Volatility (1Y) Calculated over the trailing 1-year period	47.36%	41.10%	+6.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	32.32%	29.47%	+2.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.12%	27.16%	+4.96%

Financials

GLW vs. APH - Profitability Comparison

The chart below illustrates the profitability comparison between Corning Incorporated and Amphenol Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

GLW - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Corning Incorporated reported a gross profit of 1.50B and revenue of 4.22B. Therefore, the gross margin over that period was 35.5%.

APH - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported a gross profit of 2.46B and revenue of 6.44B. Therefore, the gross margin over that period was 38.2%.

GLW - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Corning Incorporated reported an operating income of 672.00M and revenue of 4.22B, resulting in an operating margin of 15.9%.

APH - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported an operating income of 1.77B and revenue of 6.44B, resulting in an operating margin of 27.5%.

GLW - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Corning Incorporated reported a net income of 540.00M and revenue of 4.22B, resulting in a net margin of 12.8%.

APH - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Amphenol Corporation reported a net income of 1.20B and revenue of 6.44B, resulting in a net margin of 18.6%.