GLW vs. RIO
GLW (Corning Incorporated) and RIO (Rio Tinto Group) are both stocks. GLW operates in Electronic Components (Technology), while RIO operates in Other Industrial Metals & Mining (Basic Materials). Over the past 10 years, GLW returned 27.57%/yr vs 22.54%/yr for RIO. At a 0.32 correlation, their price movements are largely independent.
Performance
GLW vs. RIO - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, GLW achieves a 105.36% return, which is significantly higher than RIO's 35.32% return. Over the past 10 years, GLW has outperformed RIO with an annualized return of 27.57%, while RIO has yielded a comparatively lower 22.54% annualized return.
GLW
- 1D
- 1.50%
- 1M
- -13.09%
- YTD
- 105.36%
- 6M
- 103.59%
- 1Y
- 256.47%
- 3Y*
- 79.90%
- 5Y*
- 36.42%
- 10Y*
- 27.57%
RIO
- 1D
- 1.65%
- 1M
- -5.97%
- YTD
- 35.32%
- 6M
- 43.14%
- 1Y
- 89.03%
- 3Y*
- 24.54%
- 5Y*
- 11.74%
- 10Y*
- 22.54%
GLW vs. RIO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GLW Corning Incorporated | 105.36% | 87.76% | 60.64% | -1.23% | -11.56% | 5.92% | 27.57% | -1.02% | -3.28% | 34.63% |
RIO Rio Tinto Group | 35.32% | 44.47% | -15.36% | 11.06% | 18.48% | -3.67% | 36.22% | 33.18% | -2.93% | 44.87% |
Correlation
The correlation between GLW and RIO is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.44 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.35 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.37 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.41 |
Correlation (All Time) Calculated using the full available price history since Jun 28, 1990 | 0.32 |
The correlation between GLW and RIO shifts across timeframes, from 0.32 (all time) to 0.44 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
GLW:
$154.61B
RIO:
$172.61B
GLW:
$2.10
RIO:
$13.11
GLW:
85.36
RIO:
8.03
GLW:
9.47
RIO:
1.55
GLW:
13.09
RIO:
2.77
GLW:
$16.32B
RIO:
$111.41B
GLW:
$5.93B
RIO:
$31.10B
GLW:
$3.77B
RIO:
$40.42B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
GLW vs. RIO — Risk / Return Rank
GLW
RIO
GLW vs. RIO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Corning Incorporated (GLW) and Rio Tinto Group (RIO). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| GLW | RIO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.53 | ||
| Sortino ratioReturn per unit of downside risk | +0.68 | ||
| Omega ratioGain probability vs. loss probability | 1.60 | 1.46 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 11.23 | 5.89 | +5.33 |
| Martin ratioReturn relative to average drawdown | 35.65 | 21.91 | +13.74 |
Loading charts...
Drawdowns
GLW vs. RIO - Drawdown Comparison
The maximum GLW drawdown since its inception was -99.02%, which is greater than RIO's maximum drawdown of -88.97%. Use the drawdown chart below to compare losses from any high point for GLW and RIO.
Loading charts...
Drawdown Indicators
| GLW | RIO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.02% | -88.97% | -10.05% |
Max Drawdown (1Y)Largest decline over 1 year | -23.01% | -15.19% | -7.82% |
Max Drawdown (3Y)Largest decline over 3 years | -27.57% | -24.19% | -3.38% |
Max Drawdown (5Y)Largest decline over 5 years | -34.52% | -35.25% | +0.73% |
Max Drawdown (10Y)Largest decline over 10 years | -48.80% | -37.47% | -11.33% |
Current DrawdownCurrent decline from peak | -13.83% | -5.97% | -7.86% |
Average DrawdownAverage peak-to-trough decline | -50.50% | -23.76% | -26.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.23% | 4.09% | +3.14% |
Volatility
GLW vs. RIO - Volatility Comparison
Corning Incorporated (GLW) has a higher volatility of 24.91% compared to Rio Tinto Group (RIO) at 11.81%. This indicates that GLW's price experiences larger fluctuations and is considered to be riskier than RIO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| GLW | RIO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 24.91% | 11.81% | +13.10% |
Volatility (6M)Calculated over the trailing 6-month period | 50.66% | 24.27% | +26.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 56.33% | 29.32% | +27.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 35.81% | 29.30% | +6.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.86% | 30.65% | +3.21% |
Dividends
GLW vs. RIO - Dividend Comparison
GLW's dividend yield for the trailing twelve months is around 0.63%, less than RIO's 3.82% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GLW Corning Incorporated | 0.63% | 1.28% | 2.36% | 3.68% | 3.38% | 2.58% | 2.44% | 2.75% | 2.38% | 1.94% | 2.22% | 2.63% |
RIO Rio Tinto Group | 3.82% | 4.66% | 7.40% | 5.40% | 10.48% | 10.23% | 5.13% | 7.68% | 6.32% | 4.47% | 3.93% | 7.58% |
Financials
GLW vs. RIO - Financials Comparison
This section allows you to compare key financial metrics between Corning Incorporated and Rio Tinto Group. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
GLW vs. RIO - Profitability Comparison
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%.
RIO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Rio Tinto Group reported a gross profit of 8.15B and revenue of 30.65B. Therefore, the gross margin over that period was 26.6%.
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%.
RIO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rio Tinto Group reported an operating income of 8.15B and revenue of 30.65B, resulting in an operating margin of 26.6%.
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%.
RIO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rio Tinto Group reported a net income of 5.42B and revenue of 30.65B, resulting in a net margin of 17.7%.
Frequently Asked Questions
GLW and RIO have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GLW has higher volatility (24.91%) compared to RIO (11.81%). In terms of maximum drawdown, GLW dropped -99.02% vs RIO's -88.97%.
GLW currently has the higher Sharpe Ratio (4.58 vs 3.05), 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.
Find the right allocation for GLW and RIO
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer