MSIGX vs. VADAX

Last updated Apr 1, 2026

Compare and contrast key facts about Invesco Main Street Fund (MSIGX) and Invesco Equally-Weighted S&P 500 Fund Class A (VADAX).

MSIGX is managed by Invesco. It was launched on Feb 3, 1988. VADAX is managed by Invesco.

Performance

MSIGX vs. VADAX - Performance Comparison

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

MSIGX vs. VADAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSIGX Invesco Main Street Fund	-9.61%	16.02%	23.66%	23.06%	-20.21%	27.37%	14.41%	22.49%	-8.25%	16.79%
VADAX Invesco Equally-Weighted S&P 500 Fund Class A	-1.47%	10.89%	12.40%	13.29%	-12.07%	28.93%	12.30%	28.59%	-8.19%	18.26%

Returns By Period

In the year-to-date period, MSIGX achieves a -9.61% return, which is significantly lower than VADAX's -1.47% return. Both investments have delivered pretty close results over the past 10 years, with MSIGX having a 10.31% annualized return and VADAX not far ahead at 10.47%.

MSIGX

• 1D: -0.32%
• 1M: -9.12%
• YTD: -9.61%
• 6M: -8.53%
• 1Y: 9.67%
• 3Y*: 14.18%
• 5Y*: 8.48%
• 10Y*: 10.31%

VADAX

• 1D: -0.23%
• 1M: -7.89%
• YTD: -1.47%
• 6M: -0.21%
• 1Y: 10.07%
• 3Y*: 10.61%
• 5Y*: 7.23%
• 10Y*: 10.47%

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

MSIGX vs. VADAX - Expense Ratio Comparison

MSIGX has a 0.82% expense ratio, which is higher than VADAX's 0.52% expense ratio.

MSIGX

Invesco Main Street Fund

VADAX

Invesco Equally-Weighted S&P 500 Fund Class A

Return for Risk

MSIGX vs. VADAX — Risk / Return Rank

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

MSIGX

MSIGX Risk / Return Rank: 20
MSIGX Sharpe Ratio Rank: 26
MSIGX Sortino Ratio Rank: 30
MSIGX Omega Ratio Rank: 29
MSIGX Calmar Ratio Rank: 7
MSIGX Martin Ratio Rank: 7

VADAX

VADAX Risk / Return Rank: 28
VADAX Sharpe Ratio Rank: 28
VADAX Sortino Ratio Rank: 29
VADAX Omega Ratio Rank: 28
VADAX Calmar Ratio Rank: 25
VADAX Martin Ratio Rank: 30

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.

MSIGX vs. VADAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Main Street Fund (MSIGX) and Invesco Equally-Weighted S&P 500 Fund Class A (VADAX). 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.

	MSIGX	VADAX	Difference
Sharpe ratio Return per unit of total volatility	0.62	0.64	-0.02
Sortino ratio Return per unit of downside risk	1.04	1.02	+0.03
Omega ratio Gain probability vs. loss probability	1.15	1.14	+0.01
Calmar ratio Return relative to maximum drawdown	0.01	0.71	-0.70
Martin ratio Return relative to average drawdown	0.05	3.23	-3.18
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MSIGX vs. VADAX - Sharpe Ratio Comparison

The current MSIGX Sharpe Ratio is 0.62, which is comparable to the VADAX Sharpe Ratio of 0.64. The chart below compares the historical Sharpe Ratios of MSIGX and VADAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MSIGX	VADAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.62	0.64	-0.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.45	+0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	0.57	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.44	+0.18

Correlation

The correlation between MSIGX and VADAX is 0.92, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MSIGX vs. VADAX - Dividend Comparison

MSIGX's dividend yield for the trailing twelve months is around 8.29%, less than VADAX's 10.36% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSIGX Invesco Main Street Fund	8.29%	7.50%	6.06%	7.40%	4.68%	19.19%	3.17%	0.89%	19.62%	7.50%	2.96%	13.79%
VADAX Invesco Equally-Weighted S&P 500 Fund Class A	10.36%	10.21%	8.77%	4.69%	8.49%	9.80%	6.21%	4.49%	6.90%	2.76%	0.30%	2.77%

Drawdowns

MSIGX vs. VADAX - Drawdown Comparison

The maximum MSIGX drawdown since its inception was -57.22%, smaller than the maximum VADAX drawdown of -60.27%. Use the drawdown chart below to compare losses from any high point for MSIGX and VADAX.

Drawdown Indicators

	MSIGX	VADAX	Difference
Max Drawdown Largest peak-to-trough decline	-57.22%	-60.27%	+3.05%
Max Drawdown (1Y) Largest decline over 1 year	-11.78%	-12.61%	+0.83%
Max Drawdown (5Y) Largest decline over 5 years	-26.73%	-21.74%	-4.99%
Max Drawdown (10Y) Largest decline over 10 years	-35.41%	-39.32%	+3.91%
Current Drawdown Current decline from peak	-10.96%	-7.89%	-3.07%
Average Drawdown Average peak-to-trough decline	-9.03%	-7.13%	-1.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.31%	2.78%	+1.53%

Volatility

MSIGX vs. VADAX - Volatility Comparison

Invesco Main Street Fund (MSIGX) has a higher volatility of 4.09% compared to Invesco Equally-Weighted S&P 500 Fund Class A (VADAX) at 3.76%. This indicates that MSIGX's price experiences larger fluctuations and is considered to be riskier than VADAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSIGX	VADAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.09%	3.76%	+0.33%
Volatility (6M) Calculated over the trailing 6-month period	9.04%	8.70%	+0.34%
Volatility (1Y) Calculated over the trailing 1-year period	18.35%	17.17%	+1.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.87%	16.27%	+0.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.85%	18.53%	-0.68%