MLPLX vs. MSIGX

Last updated Apr 1, 2026

Compare and contrast key facts about Invesco SteelPath MLP Alpha Plus Fund Class A (MLPLX) and Invesco Main Street Fund (MSIGX).

MLPLX is an actively managed fund by Invesco. It was launched on Feb 6, 2012. MSIGX is managed by Invesco. It was launched on Feb 3, 1988.

Performance

MLPLX vs. MSIGX - Performance Comparison

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

MLPLX vs. MSIGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MLPLX Invesco SteelPath MLP Alpha Plus Fund Class A	24.85%	4.36%	47.10%	25.02%	38.31%	55.18%	-46.03%	8.79%	-21.09%	-11.18%
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%

Returns By Period

In the year-to-date period, MLPLX achieves a 24.85% return, which is significantly higher than MSIGX's -9.61% return. Over the past 10 years, MLPLX has outperformed MSIGX with an annualized return of 12.01%, while MSIGX has yielded a comparatively lower 10.31% annualized return.

MLPLX

• 1D: -0.68%
• 1M: 4.13%
• YTD: 24.85%
• 6M: 28.08%
• 1Y: 19.00%
• 3Y*: 32.02%
• 5Y*: 33.16%
• 10Y*: 12.01%

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%

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

MLPLX vs. MSIGX - Expense Ratio Comparison

MLPLX has a 17.25% expense ratio, which is higher than MSIGX's 0.82% expense ratio.

MLPLX

Invesco SteelPath MLP Alpha Plus Fund Class A

MSIGX

Invesco Main Street Fund

Return for Risk

MLPLX vs. MSIGX — Risk / Return Rank

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

MLPLX

MLPLX Risk / Return Rank: 33
MLPLX Sharpe Ratio Rank: 39
MLPLX Sortino Ratio Rank: 33
MLPLX Omega Ratio Rank: 38
MLPLX Calmar Ratio Rank: 34
MLPLX Martin Ratio Rank: 20

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

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.

MLPLX vs. MSIGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco SteelPath MLP Alpha Plus Fund Class A (MLPLX) and Invesco Main Street Fund (MSIGX). 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.

	MLPLX	MSIGX	Difference
Sharpe ratio Return per unit of total volatility	0.86	0.62	+0.24
Sortino ratio Return per unit of downside risk	1.18	1.04	+0.14
Omega ratio Gain probability vs. loss probability	1.18	1.15	+0.03
Calmar ratio Return relative to maximum drawdown	0.96	0.01	+0.95
Martin ratio Return relative to average drawdown	2.19	0.05	+2.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MLPLX vs. MSIGX - Sharpe Ratio Comparison

The current MLPLX Sharpe Ratio is 0.86, which is higher than the MSIGX Sharpe Ratio of 0.62. The chart below compares the historical Sharpe Ratios of MLPLX and MSIGX, 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

	MLPLX	MSIGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.86	0.62	+0.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.32	0.52	+0.80
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.34	0.59	-0.25
Sharpe Ratio (All Time) Calculated using the full available price history	0.19	0.62	-0.43

Correlation

The correlation between MLPLX and MSIGX is 0.46, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

MLPLX vs. MSIGX - Dividend Comparison

MLPLX's dividend yield for the trailing twelve months is around 4.78%, less than MSIGX's 8.29% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MLPLX Invesco SteelPath MLP Alpha Plus Fund Class A	4.78%	5.70%	4.42%	5.92%	6.79%	8.75%	22.54%	14.33%	13.67%	9.68%	7.88%	9.20%
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%

Drawdowns

MLPLX vs. MSIGX - Drawdown Comparison

The maximum MLPLX drawdown since its inception was -88.76%, which is greater than MSIGX's maximum drawdown of -57.22%. Use the drawdown chart below to compare losses from any high point for MLPLX and MSIGX.

Drawdown Indicators

	MLPLX	MSIGX	Difference
Max Drawdown Largest peak-to-trough decline	-88.76%	-57.22%	-31.54%
Max Drawdown (1Y) Largest decline over 1 year	-18.61%	-11.78%	-6.83%
Max Drawdown (5Y) Largest decline over 5 years	-27.21%	-26.73%	-0.48%
Max Drawdown (10Y) Largest decline over 10 years	-85.02%	-35.41%	-49.61%
Current Drawdown Current decline from peak	-1.09%	-10.96%	+9.87%
Average Drawdown Average peak-to-trough decline	-29.30%	-9.03%	-20.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.17%	4.31%	+3.86%

Volatility

MLPLX vs. MSIGX - Volatility Comparison

Invesco SteelPath MLP Alpha Plus Fund Class A (MLPLX) and Invesco Main Street Fund (MSIGX) have volatilities of 4.20% and 4.09%, 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

	MLPLX	MSIGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.20%	4.09%	+0.11%
Volatility (6M) Calculated over the trailing 6-month period	11.08%	9.04%	+2.04%
Volatility (1Y) Calculated over the trailing 1-year period	22.04%	18.35%	+3.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.38%	16.87%	+8.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.79%	17.85%	+17.94%