MSIGX vs. MIGYX

Last updated Jun 24, 2026

MSIGX (Invesco Main Street Fund) and MIGYX (Invesco Main Street Fund Class Y) are both Large Cap Blend Equities funds from Invesco. Over the past 10 years, MSIGX returned 12.06%/yr vs 12.31%/yr for MIGYX. With a 1.00 correlation, they move nearly in lockstep. MSIGX charges 0.82%/yr vs 0.56%/yr for MIGYX.

Performance

MSIGX vs. MIGYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Main Street Fund (MSIGX) and Invesco Main Street Fund Class Y (MIGYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with MSIGX having a 5.31% return and MIGYX slightly higher at 5.43%. Both investments have delivered pretty close results over the past 10 years, with MSIGX having a 12.06% annualized return and MIGYX not far ahead at 12.31%.

MSIGX

• 1D: -0.65%
• 1M: 0.11%
• YTD: 5.31%
• 6M: 4.42%
• 1Y: 17.85%
• 3Y*: 17.55%
• 5Y*: 10.51%
• 10Y*: 12.06%

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)

MSIGX vs. MIGYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSIGX Invesco Main Street Fund	5.31%	16.02%	23.66%	23.06%	-20.21%	27.37%	14.41%	22.49%	-8.25%	16.79%
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 MSIGX and MIGYX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (10Y) Calculated over the trailing 10-year period	1.00
Correlation (All Time) Calculated using the full available price history since Oct 31, 1996	1.00

The correlation between MSIGX and MIGYX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

Return for Risk

MSIGX vs. MIGYX — Risk / Return Rank

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

MSIGX

MSIGX Risk / Return Rank: 36
MSIGX Sharpe Ratio Rank: 37
MSIGX Sortino Ratio Rank: 38
MSIGX Omega Ratio Rank: 36
MSIGX Calmar Ratio Rank: 30
MSIGX Martin Ratio Rank: 37

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.

MSIGX vs. MIGYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Main Street Fund (MSIGX) 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.

	MSIGX	MIGYX	Difference
Sharpe ratio: Return per unit of total volatility	1.64	1.67	-0.03
Sortino ratio: Return per unit of downside risk	2.38	2.41	-0.04
Omega ratio: Gain probability vs. loss probability	1.30	1.30	0.00
Calmar ratio: Return relative to maximum drawdown	1.93	1.98	-0.05
Martin ratio: Return relative to average drawdown	7.78	8.03	-0.25

MSIGX vs. MIGYX - Sharpe Ratio Comparison

The current MSIGX Sharpe Ratio is 1.64, which is comparable to the MIGYX Sharpe Ratio of 1.67. The chart below compares the historical Sharpe Ratios of MSIGX 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

MSIGX vs. MIGYX - Drawdown Comparison

The maximum MSIGX drawdown since its inception was -57.22%, roughly equal to the maximum MIGYX drawdown of -56.98%. Use the drawdown chart below to compare losses from any high point for MSIGX and MIGYX.

Drawdown Indicators

	MSIGX	MIGYX	Difference
Max Drawdown Largest peak-to-trough decline	-57.22%	-56.98%	-0.24%
Max Drawdown (1Y) Largest decline over 1 year	-10.96%	-10.87%	-0.09%
Max Drawdown (3Y) Largest decline over 3 years	-19.91%	-19.88%	-0.03%
Max Drawdown (5Y) Largest decline over 5 years	-26.73%	-26.59%	-0.14%
Max Drawdown (10Y) Largest decline over 10 years	-35.41%	-35.48%	+0.07%
Current Drawdown Current decline from peak	-1.29%	-1.27%	-0.02%
Average Drawdown Average peak-to-trough decline	-8.98%	-10.59%	+1.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.60%	2.56%	+0.04%

Volatility

MSIGX vs. MIGYX - Volatility Comparison

Invesco Main Street Fund (MSIGX) and Invesco Main Street Fund Class Y (MIGYX) have volatilities of 4.63% and 4.63%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSIGX	MIGYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.63%	4.63%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	10.06%	10.12%	-0.06%
Volatility (1Y) Calculated over the trailing 1-year period	12.89%	12.92%	-0.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.00%	17.01%	-0.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.94%	17.95%	-0.01%

MSIGX vs. MIGYX - Expense Ratio Comparison

MSIGX has a 0.82% expense ratio, which is higher than MIGYX's 0.56% expense ratio.

Dividends

MSIGX vs. MIGYX - Dividend Comparison

MSIGX's dividend yield for the trailing twelve months is around 7.12%, less 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%
MSIGX Invesco Main Street Fund	7.12%	7.50%	6.06%	7.40%	4.68%	19.19%	3.17%	0.89%	19.62%	7.50%	2.96%	13.79%

Frequently Asked Questions

Can I hold both MSIGX and MIGYX in my portfolio?

With a correlation of 1.00, MSIGX and MIGYX 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, MSIGX or MIGYX?

MIGYX has higher volatility (4.63%) compared to MSIGX (4.63%). In terms of maximum drawdown, MSIGX dropped -57.22% vs MIGYX's -56.98%.

Which has better risk-adjusted returns?

MIGYX currently has the higher Sharpe Ratio (1.67 vs 1.64), 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.