SPIDX vs. T

Last updated Jun 24, 2026

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 15.47%/yr vs 2.70%/yr for T. At a 0.45 correlation, their price movements are largely independent.

Performance

SPIDX vs. T - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Index Fund (SPIDX) and AT&T Inc. (T). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPIDX achieves a 9.66% return, which is significantly higher than T's -6.13% return. Over the past 10 years, SPIDX has outperformed T with an annualized return of 15.47%, while T has yielded a comparatively lower 2.70% annualized return.

SPIDX

• 1D: -0.36%
• 1M: 0.09%
• YTD: 9.66%
• 6M: 8.66%
• 1Y: 25.22%
• 3Y*: 21.06%
• 5Y*: 13.29%
• 10Y*: 15.47%

T

• 1D: 3.21%
• 1M: -9.70%
• YTD: -6.13%
• 6M: -4.67%
• 1Y: -15.59%
• 3Y*: 20.20%
• 5Y*: 7.06%
• 10Y*: 2.70%

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

SPIDX vs. T - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPIDX Invesco S&P 500 Index Fund	9.66%	17.54%	24.65%	25.95%	-18.36%	28.30%	18.13%	31.11%	-4.75%	21.45%
T AT&T Inc.	-6.13%	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 -0.16, 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	-0.16
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (5Y) Calculated over the trailing 5-year period	0.21
Correlation (10Y) Calculated over the trailing 10-year period	0.32
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 -0.16 (1 year) to 0.45 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SPIDX vs. T — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SPIDX

SPIDX Risk / Return Rank: 64
SPIDX Sharpe Ratio Rank: 62
SPIDX Sortino Ratio Rank: 56
SPIDX Omega Ratio Rank: 58
SPIDX Calmar Ratio Rank: 66
SPIDX Martin Ratio Rank: 77

T

T Risk / Return Rank: 14
T Sharpe Ratio Rank: 13
T Sortino Ratio Rank: 14
T Omega Ratio Rank: 15
T Calmar Ratio Rank: 18
T Martin Ratio Rank: 9

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.

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 ratio: Return per unit of total volatility	2.13	-0.69	+2.83
Sortino ratio: Return per unit of downside risk	2.89	-0.89	+3.77
Omega ratio: Gain probability vs. loss probability	1.39	0.90	+0.49
Calmar ratio: Return relative to maximum drawdown	2.99	-0.66	+3.65
Martin ratio: Return relative to average drawdown	13.44	-1.40	+14.84

SPIDX vs. T - Sharpe Ratio Comparison

The current SPIDX Sharpe Ratio is 2.13, which is higher than the T Sharpe Ratio of -0.69. The chart below compares the historical Sharpe Ratios of SPIDX and T, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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.

Drawdown Indicators

	SPIDX	T	Difference
Max Drawdown Largest peak-to-trough decline	-55.30%	-64.15%	+8.85%
Max Drawdown (1Y) Largest decline over 1 year	-8.93%	-23.57%	+14.64%
Max Drawdown (3Y) Largest decline over 3 years	-18.81%	-23.57%	+4.76%
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 Drawdown Current decline from peak	-1.73%	-20.80%	+19.07%
Average Drawdown Average peak-to-trough decline	-10.49%	-15.72%	+5.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.98%	11.14%	-9.16%

Volatility

SPIDX vs. T - Volatility Comparison

The current volatility for Invesco S&P 500 Index Fund (SPIDX) is 4.67%, while AT&T Inc. (T) has a volatility of 8.49%. 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.

Volatility by Period

	SPIDX	T	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.67%	8.49%	-3.82%
Volatility (6M) Calculated over the trailing 6-month period	9.92%	18.37%	-8.45%
Volatility (1Y) Calculated over the trailing 1-year period	12.53%	22.66%	-10.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.00%	24.12%	-7.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.13%	23.79%	-5.66%

Dividends

SPIDX vs. T - Dividend Comparison

SPIDX's dividend yield for the trailing twelve months is around 0.98%, less than T's 4.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPIDX Invesco S&P 500 Index Fund	0.98%	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.	4.87%	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

Can I hold both SPIDX and T in my portfolio?

SPIDX and T have a correlation of -0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPIDX or T?

T has higher volatility (8.49%) compared to SPIDX (4.67%). In terms of maximum drawdown, SPIDX dropped -55.30% vs T's -64.15%.

Which has better risk-adjusted returns?

SPIDX currently has the higher Sharpe Ratio (2.13 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.