ACSTX vs. VADDX

Last updated Jun 24, 2026

ACSTX (Invesco Comstock Fund) and VADDX (Invesco Equally-Weighted S&P 500 Fund) are both mutual funds - ACSTX is a Large Cap Value Equities fund managed by Invesco, while VADDX is a S&P 500 fund tracking the S&P 500 Equal Weight Index. Over the past 10 years, ACSTX returned 13.17%/yr vs 12.03%/yr for VADDX. Their correlation of 0.93 suggests significant overlap in exposure. ACSTX charges 0.80%/yr vs 0.27%/yr for VADDX.

Performance

ACSTX vs. VADDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Comstock Fund (ACSTX) and Invesco Equally-Weighted S&P 500 Fund (VADDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with ACSTX having a 10.38% return and VADDX slightly lower at 10.27%. Over the past 10 years, ACSTX has outperformed VADDX with an annualized return of 13.17%, while VADDX has yielded a comparatively lower 12.03% annualized return.

ACSTX

• 1D: 0.45%
• 1M: 0.95%
• YTD: 10.38%
• 6M: 9.91%
• 1Y: 22.73%
• 3Y*: 18.22%
• 5Y*: 12.90%
• 10Y*: 13.17%

VADDX

• 1D: 0.14%
• 1M: 1.83%
• YTD: 10.27%
• 6M: 9.36%
• 1Y: 19.29%
• 3Y*: 14.90%
• 5Y*: 8.73%
• 10Y*: 12.03%

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

ACSTX vs. VADDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ACSTX Invesco Comstock Fund	10.38%	17.22%	15.00%	12.37%	0.74%	33.33%	-0.78%	24.35%	-12.34%	17.75%
VADDX Invesco Equally-Weighted S&P 500 Fund	10.27%	11.16%	12.68%	13.58%	-11.86%	29.27%	12.56%	28.92%	-7.96%	18.55%

Correlation

The correlation between ACSTX and VADDX is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (10Y) Calculated over the trailing 10-year period	0.92
Correlation (All Time) Calculated using the full available price history since Jul 28, 1997	0.93

The correlation between ACSTX and VADDX has been stable across timeframes, ranging from 0.92 to 0.94 - a consistent structural relationship.

Return for Risk

ACSTX vs. VADDX — Risk / Return Rank

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

ACSTX

ACSTX Risk / Return Rank: 63
ACSTX Sharpe Ratio Rank: 64
ACSTX Sortino Ratio Rank: 67
ACSTX Omega Ratio Rank: 58
ACSTX Calmar Ratio Rank: 65
ACSTX Martin Ratio Rank: 60

VADDX

VADDX Risk / Return Rank: 44
VADDX Sharpe Ratio Rank: 40
VADDX Sortino Ratio Rank: 40
VADDX Omega Ratio Rank: 36
VADDX Calmar Ratio Rank: 50
VADDX Martin Ratio Rank: 51

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.

ACSTX vs. VADDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Comstock Fund (ACSTX) and Invesco Equally-Weighted S&P 500 Fund (VADDX). 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.

	ACSTX	VADDX	Difference
Sharpe ratio: Return per unit of total volatility	2.16	1.72	+0.44
Sortino ratio: Return per unit of downside risk	3.11	2.48	+0.62
Omega ratio: Gain probability vs. loss probability	1.39	1.30	+0.09
Calmar ratio: Return relative to maximum drawdown	2.97	2.60	+0.38
Martin ratio: Return relative to average drawdown	11.28	9.80	+1.48

ACSTX vs. VADDX - Sharpe Ratio Comparison

The current ACSTX Sharpe Ratio is 2.16, which is comparable to the VADDX Sharpe Ratio of 1.72. The chart below compares the historical Sharpe Ratios of ACSTX and VADDX, 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

ACSTX vs. VADDX - Drawdown Comparison

The maximum ACSTX drawdown since its inception was -58.61%, roughly equal to the maximum VADDX drawdown of -60.12%. Use the drawdown chart below to compare losses from any high point for ACSTX and VADDX.

Drawdown Indicators

	ACSTX	VADDX	Difference
Max Drawdown Largest peak-to-trough decline	-58.61%	-60.12%	+1.51%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	-7.88%	-0.14%
Max Drawdown (3Y) Largest decline over 3 years	-15.61%	-17.86%	+2.25%
Max Drawdown (5Y) Largest decline over 5 years	-17.25%	-21.58%	+4.33%
Max Drawdown (10Y) Largest decline over 10 years	-44.80%	-39.39%	-5.41%
Current Drawdown Current decline from peak	-0.79%	-1.16%	+0.37%
Average Drawdown Average peak-to-trough decline	-9.34%	-6.99%	-2.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.11%	2.08%	+0.03%

Volatility

ACSTX vs. VADDX - Volatility Comparison

The current volatility for Invesco Comstock Fund (ACSTX) is 3.28%, while Invesco Equally-Weighted S&P 500 Fund (VADDX) has a volatility of 3.66%. This indicates that ACSTX experiences smaller price fluctuations and is considered to be less risky than VADDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ACSTX	VADDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.28%	3.66%	-0.38%
Volatility (6M) Calculated over the trailing 6-month period	8.24%	8.77%	-0.53%
Volatility (1Y) Calculated over the trailing 1-year period	11.08%	11.93%	-0.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.36%	16.29%	-0.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.46%	18.56%	+0.90%

ACSTX vs. VADDX - Expense Ratio Comparison

ACSTX has a 0.80% expense ratio, which is higher than VADDX's 0.27% expense ratio.

Dividends

ACSTX vs. VADDX - Dividend Comparison

ACSTX's dividend yield for the trailing twelve months is around 8.01%, less than VADDX's 9.15% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACSTX Invesco Comstock Fund	8.01%	8.79%	10.17%	8.44%	13.00%	8.66%	2.05%	6.66%	10.03%	3.60%	6.98%	1.10%
VADDX Invesco Equally-Weighted S&P 500 Fund	9.15%	10.09%	8.88%	4.86%	8.45%	9.92%	6.38%	4.68%	7.13%	2.97%	0.30%	2.98%

Frequently Asked Questions

Can I hold both ACSTX and VADDX in my portfolio?

With a correlation of 0.92, ACSTX and VADDX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, ACSTX or VADDX?

VADDX has higher volatility (3.66%) compared to ACSTX (3.28%). In terms of maximum drawdown, ACSTX dropped -58.61% vs VADDX's -60.12%.

Which has better risk-adjusted returns?

ACSTX currently has the higher Sharpe Ratio (2.16 vs 1.72), 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.