VADAX vs. MIGYX

Last updated Jun 24, 2026

VADAX (Invesco Equally-Weighted S&P 500 Fund Class A) and MIGYX (Invesco Main Street Fund Class Y) are both Large Cap Blend Equities funds from Invesco. Over the past 10 years, VADAX returned 11.78%/yr vs 12.31%/yr for MIGYX. Their correlation of 0.92 suggests significant overlap in exposure. VADAX charges 0.52%/yr vs 0.56%/yr for MIGYX.

Performance

VADAX vs. MIGYX - Performance Comparison

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

Returns By Period

In the year-to-date period, VADAX achieves a 10.14% return, which is significantly higher than MIGYX's 5.43% return. Both investments have delivered pretty close results over the past 10 years, with VADAX having a 11.78% annualized return and MIGYX not far ahead at 12.31%.

VADAX

• 1D: 0.14%
• 1M: 1.81%
• YTD: 10.14%
• 6M: 9.23%
• 1Y: 19.00%
• 3Y*: 14.62%
• 5Y*: 8.45%
• 10Y*: 11.78%

MIGYX

• 1D: -0.64%
• 1M: 0.14%
• YTD: 5.43%
• 6M: 4.55%
• 1Y: 18.14%
• 3Y*: 17.83%
• 5Y*: 10.76%
• 10Y*: 12.31%

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

VADAX vs. MIGYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VADAX Invesco Equally-Weighted S&P 500 Fund Class A	10.14%	10.89%	12.40%	13.29%	-12.07%	28.93%	12.30%	28.59%	-8.19%	18.26%
MIGYX Invesco Main Street Fund Class Y	5.43%	16.31%	23.93%	23.33%	-20.02%	27.65%	14.68%	22.67%	-8.04%	17.04%

Correlation

The correlation between VADAX and MIGYX is 0.59, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.73
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Jul 28, 1997	0.92

Over the past year, the correlation between VADAX and MIGYX has dropped to 0.59 - well below their long-term average of 0.92, suggesting their price drivers have been diverging.

Return for Risk

VADAX vs. MIGYX — Risk / Return Rank

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

VADAX

VADAX Risk / Return Rank: 43
VADAX Sharpe Ratio Rank: 40
VADAX Sortino Ratio Rank: 40
VADAX Omega Ratio Rank: 35
VADAX Calmar Ratio Rank: 49
VADAX Martin Ratio Rank: 50

MIGYX

MIGYX Risk / Return Rank: 37
MIGYX Sharpe Ratio Rank: 39
MIGYX Sortino Ratio Rank: 39
MIGYX Omega Ratio Rank: 38
MIGYX Calmar Ratio Rank: 31
MIGYX Martin Ratio Rank: 39

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.

VADAX vs. MIGYX - Risk-Adjusted Trends Comparison

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

	VADAX	MIGYX	Difference
Sharpe ratio: Return per unit of total volatility	1.70	1.67	+0.02
Sortino ratio: Return per unit of downside risk	2.45	2.41	+0.04
Omega ratio: Gain probability vs. loss probability	1.30	1.30	-0.01
Calmar ratio: Return relative to maximum drawdown	2.56	1.98	+0.57
Martin ratio: Return relative to average drawdown	9.62	8.03	+1.58

VADAX vs. MIGYX - Sharpe Ratio Comparison

The current VADAX Sharpe Ratio is 1.70, which is comparable to the MIGYX Sharpe Ratio of 1.67. The chart below compares the historical Sharpe Ratios of VADAX and MIGYX, 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

VADAX vs. MIGYX - Drawdown Comparison

The maximum VADAX drawdown since its inception was -60.27%, which is greater than MIGYX's maximum drawdown of -56.98%. Use the drawdown chart below to compare losses from any high point for VADAX and MIGYX.

Drawdown Indicators

	VADAX	MIGYX	Difference
Max Drawdown Largest peak-to-trough decline	-60.27%	-56.98%	-3.29%
Max Drawdown (1Y) Largest decline over 1 year	-7.89%	-10.87%	+2.98%
Max Drawdown (3Y) Largest decline over 3 years	-17.92%	-19.88%	+1.96%
Max Drawdown (5Y) Largest decline over 5 years	-21.74%	-26.59%	+4.85%
Max Drawdown (10Y) Largest decline over 10 years	-39.32%	-35.48%	-3.84%
Current Drawdown Current decline from peak	-1.16%	-1.27%	+0.11%
Average Drawdown Average peak-to-trough decline	-7.09%	-10.59%	+3.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.09%	2.56%	-0.47%

Volatility

VADAX vs. MIGYX - Volatility Comparison

The current volatility for Invesco Equally-Weighted S&P 500 Fund Class A (VADAX) is 3.65%, while Invesco Main Street Fund Class Y (MIGYX) has a volatility of 4.63%. This indicates that VADAX experiences smaller price fluctuations and is considered to be less risky than MIGYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VADAX	MIGYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.65%	4.63%	-0.98%
Volatility (6M) Calculated over the trailing 6-month period	8.76%	10.12%	-1.36%
Volatility (1Y) Calculated over the trailing 1-year period	11.92%	12.92%	-1.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.30%	17.01%	-0.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.55%	17.95%	+0.60%

VADAX vs. MIGYX - Expense Ratio Comparison

VADAX has a 0.52% expense ratio, which is lower than MIGYX's 0.56% expense ratio.

Dividends

VADAX vs. MIGYX - Dividend Comparison

VADAX's dividend yield for the trailing twelve months is around 9.27%, more than MIGYX's 7.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MIGYX Invesco Main Street Fund Class Y	7.41%	7.82%	6.36%	7.51%	5.01%	19.63%	3.23%	0.98%	20.13%	7.80%	3.22%	14.18%
VADAX Invesco Equally-Weighted S&P 500 Fund Class A	9.27%	10.21%	8.77%	4.69%	8.49%	9.80%	6.21%	4.49%	6.90%	2.76%	0.30%	2.77%

Frequently Asked Questions

Can I hold both VADAX and MIGYX in my portfolio?

VADAX and MIGYX have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VADAX or MIGYX?

MIGYX has higher volatility (4.63%) compared to VADAX (3.65%). In terms of maximum drawdown, VADAX dropped -60.27% vs MIGYX's -56.98%.

Which has better risk-adjusted returns?

VADAX currently has the higher Sharpe Ratio (1.70 vs 1.67), 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.