STX vs. T
STX (Seagate Technology plc) and T (AT&T Inc.) are both stocks. STX operates in Computer Hardware (Technology), while T operates in Telecom Services (Communication Services). Over the past 10 years, STX returned 44.07%/yr vs 2.10%/yr for T. At a 0.22 correlation, their price movements are largely independent.
Performance
STX vs. T - Performance Comparison
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Returns By Period
In the year-to-date period, STX achieves a 192.10% return, which is significantly higher than T's -7.04% return. Over the past 10 years, STX has outperformed T with an annualized return of 44.07%, while T has yielded a comparatively lower 2.10% annualized return.
STX
- 1D
- 1.88%
- 1M
- -24.97%
- 6M
- 146.58%
- YTD
- 192.10%
- 1Y
- 442.73%
- 3Y*
- 143.47%
- 5Y*
- 62.35%
- 10Y*
- 44.07%
- ALL TIME*
- 23.72%
T
- 1D
- 0.64%
- 1M
- 2.62%
- 6M
- -2.84%
- YTD
- -7.04%
- 1Y
- -13.37%
- 3Y*
- 20.93%
- 5Y*
- 7.13%
- 10Y*
- 2.10%
- ALL TIME*
- 9.35%
STX vs. T - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
STX Seagate Technology plc | 192.10% | 225.26% | 4.06% | 69.12% | -51.42% | 87.50% | 10.14% | 62.14% | -2.90% | 16.67% |
T AT&T Inc. | -7.04% | 13.97% | 44.08% | -2.74% | 5.76% | -8.09% | -21.37% | 45.55% | -22.25% | -4.01% |
Correlation
The correlation between STX and T is -0.21, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.21 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.08 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.09 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.17 |
Correlation (All Time) Calculated using the full available price history since Dec 11, 2002 | 0.22 |
The correlation between STX and T shifts across timeframes, from -0.21 (1 year) to 0.22 (all time), reflecting how their relationship changes across market environments.
Fundamentals
STX:
$179.93B
T:
$152.52B
STX:
$10.48
T:
$3.05
STX:
76.60
T:
7.19
STX:
0.92
T:
0.30
STX:
16.54
T:
1.25
STX:
$11.01B
T:
$125.65B
STX:
$4.57B
T:
$105.41B
STX:
$2.59B
T:
$54.70B
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Return for Risk
STX vs. T — Risk / Return Rank
STX
T
STX vs. T - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Seagate Technology plc (STX) and AT&T Inc. (T). 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.
| STX | T | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +6.95 | ||
| Sortino ratioReturn per unit of downside risk | +5.33 | ||
| Omega ratioGain probability vs. loss probability | 1.59 | 0.92 | +0.67 |
| Calmar ratioReturn relative to maximum drawdown | 14.03 | -0.46 | +14.50 |
| Martin ratioReturn relative to average drawdown | 49.15 | -1.03 | +50.19 |
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Drawdowns
STX vs. T - Drawdown Comparison
The maximum STX drawdown since its inception was -88.74%, which is greater than T's maximum drawdown of -64.15%. Use the drawdown chart below to compare losses from any high point for STX and T.
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Drawdown Indicators
| STX | T | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -88.74% | -64.15% | -24.59% |
Max Drawdown (1Y)Largest decline over 1 year | -31.81% | -28.89% | -2.92% |
Max Drawdown (3Y)Largest decline over 3 years | -40.00% | -28.89% | -11.11% |
Max Drawdown (5Y)Largest decline over 5 years | -56.99% | -32.01% | -24.98% |
Max Drawdown (10Y)Largest decline over 10 years | -56.99% | -42.35% | -14.64% |
Current DrawdownCurrent decline from peak | -26.60% | -21.57% | -5.03% |
Average DrawdownAverage peak-to-trough decline | -26.39% | -15.74% | -10.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.06% | 12.94% | -3.88% |
Volatility
STX vs. T - Volatility Comparison
Seagate Technology plc (STX) has a higher volatility of 27.07% compared to AT&T Inc. (T) at 9.59%. This indicates that STX's price experiences larger fluctuations and is considered to be riskier than T based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| STX | T | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 27.07% | 9.59% | +17.48% |
Volatility (6M)Calculated over the trailing 6-month period | 53.95% | 19.91% | +34.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 70.03% | 23.72% | +46.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 46.44% | 24.38% | +22.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 42.33% | 23.92% | +18.41% |
Dividends
STX vs. T - Dividend Comparison
STX's dividend yield for the trailing twelve months is around 0.37%, less than T's 6.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
STX Seagate Technology plc | 0.37% | 1.05% | 3.27% | 3.28% | 5.32% | 2.40% | 4.21% | 4.27% | 6.53% | 6.02% | 6.60% | 6.14% |
T AT&T Inc. | 6.58% | 4.47% | 4.87% | 6.62% | 6.66% | 8.46% | 7.23% | 5.22% | 7.01% | 5.04% | 4.51% | 5.46% |
Financials
STX vs. T - Financials Comparison
This section allows you to compare key financial metrics between Seagate Technology plc and AT&T 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
Frequently Asked Questions
STX and T have a correlation of -0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
STX has higher volatility (27.07%) compared to T (9.59%). In terms of maximum drawdown, STX dropped -88.74% vs T's -64.15%.
STX currently has the higher Sharpe Ratio (6.39 vs -0.57), 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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