GLW vs. TER
GLW (Corning Incorporated) and TER (Teradyne, Inc.) are both stocks. Both are in the Technology sector — GLW in Electronic Components, TER in Semiconductor Equipment & Materials. Over the past 10 years, GLW returned 27.57%/yr vs 36.09%/yr for TER. At a 0.41 correlation, their price movements are largely independent.
Performance
GLW vs. TER - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with GLW having a 105.36% return and TER slightly higher at 108.47%. Over the past 10 years, GLW has underperformed TER with an annualized return of 27.57%, while TER has yielded a comparatively higher 36.09% annualized return.
GLW
- 1D
- 1.50%
- 1M
- -6.43%
- YTD
- 105.36%
- 6M
- 103.59%
- 1Y
- 265.24%
- 3Y*
- 79.90%
- 5Y*
- 36.42%
- 10Y*
- 27.57%
TER
- 1D
- 5.72%
- 1M
- 19.38%
- YTD
- 108.47%
- 6M
- 108.68%
- 1Y
- 386.56%
- 3Y*
- 54.13%
- 5Y*
- 26.29%
- 10Y*
- 36.09%
GLW vs. TER - 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% |
TER Teradyne, Inc. | 108.47% | 54.39% | 16.51% | 24.78% | -46.35% | 36.81% | 76.73% | 118.93% | -24.37% | 66.16% |
Correlation
The correlation between GLW and TER is 0.63, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.63 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.59 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.60 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.58 |
Correlation (All Time) Calculated using the full available price history since Mar 11, 1987 | 0.41 |
Over the past year, GLW and TER have become more correlated (0.63) than their long-term average of 0.41, meaning their price movements have been converging.
Fundamentals
GLW:
$154.61B
TER:
$63.56B
GLW:
$2.10
TER:
$5.38
GLW:
85.36
TER:
75.00
GLW:
9.47
TER:
16.91
GLW:
13.09
TER:
20.22
GLW:
$16.32B
TER:
$3.79B
GLW:
$5.93B
TER:
$2.23B
GLW:
$3.77B
TER:
$1.11B
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Return for Risk
GLW vs. TER — Risk / Return Rank
GLW
TER
GLW vs. TER - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Corning Incorporated (GLW) and Teradyne, Inc. (TER). 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 | TER | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.97 | ||
| Sortino ratioReturn per unit of downside risk | -0.25 | ||
| Omega ratioGain probability vs. loss probability | 1.60 | 1.64 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 11.23 | 13.97 | -2.74 |
| Martin ratioReturn relative to average drawdown | 35.65 | 49.81 | -14.16 |
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Drawdowns
GLW vs. TER - Drawdown Comparison
The maximum GLW drawdown since its inception was -99.02%, roughly equal to the maximum TER drawdown of -97.30%. Use the drawdown chart below to compare losses from any high point for GLW and TER.
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Drawdown Indicators
| GLW | TER | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.02% | -97.30% | -1.72% |
Max Drawdown (1Y)Largest decline over 1 year | -23.01% | -26.73% | +3.72% |
Max Drawdown (3Y)Largest decline over 3 years | -27.57% | -58.18% | +30.61% |
Max Drawdown (5Y)Largest decline over 5 years | -34.52% | -59.12% | +24.60% |
Max Drawdown (10Y)Largest decline over 10 years | -48.80% | -59.12% | +10.32% |
Current DrawdownCurrent decline from peak | -13.83% | -3.52% | -10.31% |
Average DrawdownAverage peak-to-trough decline | -50.50% | -58.67% | +8.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.23% | 7.49% | -0.26% |
Volatility
GLW vs. TER - Volatility Comparison
Corning Incorporated (GLW) and Teradyne, Inc. (TER) have volatilities of 24.91% and 25.00%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GLW | TER | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 24.91% | 25.00% | -0.09% |
Volatility (6M)Calculated over the trailing 6-month period | 50.66% | 53.10% | -2.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 56.33% | 67.20% | -10.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 35.81% | 50.20% | -14.39% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.86% | 45.31% | -11.45% |
Dividends
GLW vs. TER - Dividend Comparison
GLW's dividend yield for the trailing twelve months is around 0.63%, more than TER's 0.12% 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% |
TER Teradyne, Inc. | 0.12% | 0.25% | 0.38% | 0.41% | 0.50% | 0.24% | 0.33% | 0.53% | 1.15% | 0.67% | 0.94% | 1.16% |
Financials
GLW vs. TER - Financials Comparison
This section allows you to compare key financial metrics between Corning Incorporated and Teradyne, Inc.. 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. TER - 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%.
TER - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported a gross profit of 780.95M and revenue of 1.28B. Therefore, the gross margin over that period was 60.9%.
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%.
TER - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported an operating income of 473.00M and revenue of 1.28B, resulting in an operating margin of 36.9%.
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%.
TER - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported a net income of 398.91M and revenue of 1.28B, resulting in a net margin of 31.1%.
Frequently Asked Questions
GLW and TER have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TER has higher volatility (25.00%) compared to GLW (24.91%). In terms of maximum drawdown, GLW dropped -99.02% vs TER's -97.30%.
TER currently has the higher Sharpe Ratio (5.56 vs 4.58), 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.
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