GLW vs. ALLY

Last updated Jun 9, 2026

GLW (Corning Incorporated) and ALLY (Ally Financial Inc.) are both stocks. GLW operates in Electronic Components (Technology), while ALLY operates in Credit Services (Financial Services). Over the past 10 years, GLW returned 27.99%/yr vs 12.28%/yr for ALLY. At a 0.47 correlation, their price movements are largely independent.

Performance

GLW vs. ALLY - Performance Comparison

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

Returns By Period

In the year-to-date period, GLW achieves a 114.91% return, which is significantly higher than ALLY's -5.12% return. Over the past 10 years, GLW has outperformed ALLY with an annualized return of 27.99%, while ALLY has yielded a comparatively lower 12.28% annualized return.

GLW

• 1D: 5.61%
• 1M: 0.47%
• YTD: 114.91%
• 6M: 113.18%
• 1Y: 273.87%
• 3Y*: 83.04%
• 5Y*: 37.92%
• 10Y*: 27.99%

ALLY

• 1D: -0.91%
• 1M: -4.20%
• YTD: -5.12%
• 6M: 0.76%
• 1Y: 20.25%
• 3Y*: 18.71%
• 5Y*: -1.79%
• 10Y*: 12.28%

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

GLW vs. ALLY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GLW Corning Incorporated	114.91%	87.76%	60.64%	-1.23%	-11.56%	5.92%	27.57%	-1.02%	-3.28%	34.63%
ALLY Ally Financial Inc.	-5.12%	29.92%	6.37%	49.22%	-46.89%	36.04%	20.56%	37.94%	-20.67%	56.05%

Correlation

The correlation between GLW and ALLY is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.18
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Apr 10, 2014	0.47

Over the past year, the correlation between GLW and ALLY has dropped to 0.18 - well below their long-term average of 0.47, suggesting their price drivers have been diverging.

Fundamentals

Market Cap GLW : $161.81B ALLY : $13.27B
EPS GLW : $2.10 ALLY : $4.45
PE Ratio GLW : 89.34 ALLY : 9.52
PS Ratio GLW : 9.91 ALLY : 0.85
PB Ratio GLW : 13.70 ALLY : 1.00
Total Revenue (TTM) GLW : $16.32B ALLY : $15.65B
Gross Profit (TTM) GLW : $5.93B ALLY : $7.65B
EBITDA (TTM) GLW : $3.77B ALLY : $2.77B

Return for Risk

GLW vs. ALLY — 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: 97
GLW Omega Ratio Rank: 97
GLW Calmar Ratio Rank: 98
GLW Martin Ratio Rank: 99

ALLY

ALLY Risk / Return Rank: 61
ALLY Sharpe Ratio Rank: 65
ALLY Sortino Ratio Rank: 58
ALLY Omega Ratio Rank: 57
ALLY Calmar Ratio Rank: 61
ALLY Martin Ratio Rank: 63

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. ALLY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Corning Incorporated (GLW) and Ally Financial Inc. (ALLY). 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	ALLY	Difference
Sharpe ratio: Return per unit of total volatility	4.97	0.69	+4.28
Sortino ratio: Return per unit of downside risk	4.51	1.15	+3.36
Omega ratio: Gain probability vs. loss probability	1.65	1.14	+0.50
Calmar ratio: Return relative to maximum drawdown	11.99	0.88	+11.11
Martin ratio: Return relative to average drawdown	39.68	2.19	+37.50
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. ALLY - Sharpe Ratio Comparison

The current GLW Sharpe Ratio is 4.97, which is higher than the ALLY Sharpe Ratio of 0.69. The chart below compares the historical Sharpe Ratios of GLW and ALLY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	GLW	ALLY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.97	0.69	+4.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.07	-0.05	+1.12
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.83	0.31	+0.52
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	0.19	+0.07

Drawdowns

GLW vs. ALLY - Drawdown Comparison

The maximum GLW drawdown since its inception was -99.02%, which is greater than ALLY's maximum drawdown of -66.24%. Use the drawdown chart below to compare losses from any high point for GLW and ALLY.

Drawdown Indicators

	GLW	ALLY	Difference
Max Drawdown Largest peak-to-trough decline	-99.02%	-66.24%	-32.78%
Max Drawdown (1Y) Largest decline over 1 year	-23.01%	-23.04%	+0.03%
Max Drawdown (3Y) Largest decline over 3 years	-27.57%	-31.60%	+4.03%
Max Drawdown (5Y) Largest decline over 5 years	-34.52%	-58.08%	+23.56%
Max Drawdown (10Y) Largest decline over 10 years	-48.80%	-66.24%	+17.44%
Current Drawdown Current decline from peak	-9.82%	-11.00%	+1.18%
Average Drawdown Average peak-to-trough decline	-50.52%	-20.37%	-30.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.94%	9.28%	-2.34%

Volatility

GLW vs. ALLY - Volatility Comparison

Corning Incorporated (GLW) has a higher volatility of 26.26% compared to Ally Financial Inc. (ALLY) at 9.09%. This indicates that GLW's price experiences larger fluctuations and is considered to be riskier than ALLY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GLW	ALLY	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.26%	9.09%	+17.17%
Volatility (6M) Calculated over the trailing 6-month period	49.84%	21.96%	+27.88%
Volatility (1Y) Calculated over the trailing 1-year period	55.59%	29.50%	+26.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.57%	38.52%	-2.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.75%	39.59%	-5.84%

Dividends

GLW vs. ALLY - Dividend Comparison

GLW's dividend yield for the trailing twelve months is around 0.60%, less than ALLY's 2.83% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ALLY Ally Financial Inc.	2.83%	2.65%	3.33%	3.44%	4.91%	1.85%	2.13%	2.23%	2.47%	1.37%	0.84%	0.00%
GLW Corning Incorporated	0.60%	1.28%	2.36%	3.68%	3.38%	2.58%	2.44%	2.75%	2.38%	1.94%	2.22%	2.63%

Financials

GLW vs. ALLY - Profitability Comparison

The chart below illustrates the profitability comparison between Corning Incorporated and Ally Financial Inc. 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 Jun 2026, Corning Incorporated reported a gross profit of 1.53B and revenue of 4.14B. Therefore, the gross margin over that period was 36.9%.

ALLY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Ally Financial Inc. reported a gross profit of 1.90B and revenue of 3.89B. Therefore, the gross margin over that period was 49.0%.

GLW - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Corning Incorporated reported an operating income of 639.00M and revenue of 4.14B, resulting in an operating margin of 15.4%.

ALLY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Ally Financial Inc. reported an operating income of 400.00M and revenue of 3.89B, resulting in an operating margin of 10.3%.

GLW - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Corning Incorporated reported a net income of 371.00M and revenue of 4.14B, resulting in a net margin of 9.0%.

ALLY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Ally Financial Inc. reported a net income of 319.00M and revenue of 3.89B, resulting in a net margin of 8.2%.

Frequently Asked Questions

Can I hold both GLW and ALLY in my portfolio?

GLW and ALLY have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GLW or ALLY?

GLW has higher volatility (26.26%) compared to ALLY (9.09%). In terms of maximum drawdown, GLW dropped -99.02% vs ALLY's -66.24%.

Which has better risk-adjusted returns?

GLW currently has the higher Sharpe Ratio (4.97 vs 0.69), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.