SPIDX vs. T
SPIDX (Invesco S&P 500 Index Fund) is S&P 500 fund tracking the S&P 500 Index, while T (AT&T Inc.) is a stock. Over the past 10 years, SPIDX returned 14.98%/yr vs 1.81%/yr for T. At a 0.45 correlation, their price movements are largely independent.
Performance
SPIDX vs. T - Performance Comparison
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Returns By Period
In the year-to-date period, SPIDX achieves a 11.19% return, which is significantly higher than T's -10.13% return. Over the past 10 years, SPIDX has outperformed T with an annualized return of 14.98%, while T has yielded a comparatively lower 1.81% annualized return.
SPIDX
- 1D
- 0.43%
- 1M
- 1.99%
- 6M
- 9.05%
- YTD
- 11.19%
- 1Y
- 22.16%
- 3Y*
- 20.76%
- 5Y*
- 12.92%
- 10Y*
- 14.98%
T
- 1D
- 1.99%
- 1M
- -7.39%
- 6M
- -7.05%
- YTD
- -10.13%
- 1Y
- -16.34%
- 3Y*
- 20.29%
- 5Y*
- 6.14%
- 10Y*
- 1.81%
SPIDX vs. T - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SPIDX Invesco S&P 500 Index Fund | 11.19% | 17.54% | 24.65% | 25.95% | -18.36% | 28.30% | 18.13% | 31.11% | -4.75% | 21.45% |
T AT&T Inc. | -10.13% | 13.97% | 44.08% | -2.74% | 5.76% | -8.09% | -21.37% | 45.55% | -22.25% | -4.01% |
Correlation
The correlation between SPIDX and T is -0.20, 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 | -0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.01 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.20 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 1998 | 0.45 |
The correlation between SPIDX and T shifts across timeframes, from -0.20 (1 year) to 0.45 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
SPIDX vs. T — Risk / Return Rank
SPIDX
T
SPIDX vs. T - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Index Fund (SPIDX) 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.
| SPIDX | T | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.45 | ||
| Sortino ratioReturn per unit of downside risk | +3.28 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 0.90 | +0.42 |
| Calmar ratioReturn relative to maximum drawdown | 2.46 | -0.57 | +3.03 |
| Martin ratioReturn relative to average drawdown | 10.76 | -1.31 | +12.06 |
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Drawdowns
SPIDX vs. T - Drawdown Comparison
The maximum SPIDX drawdown since its inception was -55.30%, smaller than the maximum T drawdown of -64.15%. Use the drawdown chart below to compare losses from any high point for SPIDX and T.
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Drawdown Indicators
| SPIDX | T | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.30% | -64.15% | +8.85% |
Max Drawdown (1Y)Largest decline over 1 year | -8.93% | -28.89% | +19.96% |
Max Drawdown (3Y)Largest decline over 3 years | -18.81% | -28.89% | +10.08% |
Max Drawdown (5Y)Largest decline over 5 years | -24.66% | -32.01% | +7.35% |
Max Drawdown (10Y)Largest decline over 10 years | -33.84% | -42.35% | +8.51% |
Current DrawdownCurrent decline from peak | -0.36% | -24.17% | +23.81% |
Average DrawdownAverage peak-to-trough decline | -10.48% | -15.73% | +5.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.03% | 12.52% | -10.49% |
Volatility
SPIDX vs. T - Volatility Comparison
The current volatility for Invesco S&P 500 Index Fund (SPIDX) is 4.26%, while AT&T Inc. (T) has a volatility of 10.00%. This indicates that SPIDX experiences smaller price fluctuations and is considered to be less risky 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
| SPIDX | T | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.26% | 10.00% | -5.74% |
Volatility (6M)Calculated over the trailing 6-month period | 9.96% | 19.81% | -9.85% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.55% | 23.52% | -10.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.01% | 24.36% | -7.35% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.07% | 23.90% | -5.83% |
Dividends
SPIDX vs. T - Dividend Comparison
SPIDX's dividend yield for the trailing twelve months is around 0.97%, less than T's 5.15% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPIDX Invesco S&P 500 Index Fund | 0.97% | 1.07% | 1.28% | 1.23% | 1.14% | 2.09% | 1.45% | 2.11% | 2.82% | 1.49% | 1.49% | 1.74% |
T AT&T Inc. | 5.15% | 4.47% | 4.87% | 6.62% | 6.66% | 8.46% | 7.23% | 5.22% | 7.01% | 5.04% | 4.51% | 5.46% |
Frequently Asked Questions
SPIDX and T have a correlation of -0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
T has higher volatility (10.00%) compared to SPIDX (4.26%). In terms of maximum drawdown, SPIDX dropped -55.30% vs T's -64.15%.
SPIDX currently has the higher Sharpe Ratio (1.75 vs -0.70), 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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