MSIGX vs. MLPLX

Last updated Jun 25, 2026

MSIGX (Invesco Main Street Fund) and MLPLX (Invesco SteelPath MLP Alpha Plus Fund Class A) are both mutual funds - MSIGX is a Large Cap Blend Equities fund managed by Invesco, while MLPLX is a MLPs fund actively managed by Invesco. Over the past 10 years, MSIGX returned 11.91%/yr vs 8.97%/yr for MLPLX. At a 0.45 correlation, their price movements are largely independent. MSIGX charges 0.82%/yr vs 17.25%/yr for MLPLX.

Performance

MSIGX vs. MLPLX - Performance Comparison

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

Returns By Period

In the year-to-date period, MSIGX achieves a 3.87% return, which is significantly lower than MLPLX's 25.33% return. Over the past 10 years, MSIGX has outperformed MLPLX with an annualized return of 11.91%, while MLPLX has yielded a comparatively lower 8.97% annualized return.

MSIGX

• 1D: -1.37%
• 1M: -1.26%
• YTD: 3.87%
• 6M: 2.75%
• 1Y: 14.66%
• 3Y*: 17.01%
• 5Y*: 10.07%
• 10Y*: 11.91%

MLPLX

• 1D: 1.98%
• 1M: -4.95%
• YTD: 25.33%
• 6M: 25.55%
• 1Y: 28.04%
• 3Y*: 32.17%
• 5Y*: 26.19%
• 10Y*: 8.97%

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

MSIGX vs. MLPLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSIGX Invesco Main Street Fund	3.87%	16.02%	23.66%	23.06%	-20.21%	27.37%	14.41%	22.49%	-8.25%	16.79%
MLPLX Invesco SteelPath MLP Alpha Plus Fund Class A	25.33%	4.36%	47.10%	25.02%	38.31%	55.18%	-46.03%	8.79%	-21.09%	-11.18%

Correlation

The correlation between MSIGX and MLPLX is -0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.28
Correlation (5Y) Calculated over the trailing 5-year period	0.41
Correlation (10Y) Calculated over the trailing 10-year period	0.44
Correlation (All Time) Calculated using the full available price history since Dec 30, 2011	0.45

The correlation between MSIGX and MLPLX shifts across timeframes, from -0.03 (1 year) to 0.45 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MSIGX vs. MLPLX — Risk / Return Rank

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

MSIGX

MSIGX Risk / Return Rank: 29
MSIGX Sharpe Ratio Rank: 29
MSIGX Sortino Ratio Rank: 29
MSIGX Omega Ratio Rank: 29
MSIGX Calmar Ratio Rank: 24
MSIGX Martin Ratio Rank: 31

MLPLX

MLPLX Risk / Return Rank: 52
MLPLX Sharpe Ratio Rank: 49
MLPLX Sortino Ratio Rank: 44
MLPLX Omega Ratio Rank: 42
MLPLX Calmar Ratio Rank: 80
MLPLX Martin Ratio Rank: 45

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. MLPLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Main Street Fund (MSIGX) and Invesco SteelPath MLP Alpha Plus Fund Class A (MLPLX). 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	MLPLX	Difference
Sharpe ratio: Return per unit of total volatility	1.40	1.78	-0.37
Sortino ratio: Return per unit of downside risk	2.05	2.40	-0.36
Omega ratio: Gain probability vs. loss probability	1.26	1.30	-0.04
Calmar ratio: Return relative to maximum drawdown	1.65	3.29	-1.64
Martin ratio: Return relative to average drawdown	6.65	8.50	-1.85

MSIGX vs. MLPLX - Sharpe Ratio Comparison

The current MSIGX Sharpe Ratio is 1.40, which is comparable to the MLPLX Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of MSIGX and MLPLX, 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. MLPLX - Drawdown Comparison

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

Drawdown Indicators

	MSIGX	MLPLX	Difference
Max Drawdown Largest peak-to-trough decline	-57.22%	-88.76%	+31.54%
Max Drawdown (1Y) Largest decline over 1 year	-10.96%	-8.86%	-2.10%
Max Drawdown (3Y) Largest decline over 3 years	-19.91%	-19.55%	-0.36%
Max Drawdown (5Y) Largest decline over 5 years	-26.73%	-27.21%	+0.48%
Max Drawdown (10Y) Largest decline over 10 years	-35.41%	-85.02%	+49.61%
Current Drawdown Current decline from peak	-2.64%	-5.57%	+2.93%
Average Drawdown Average peak-to-trough decline	-8.98%	-28.89%	+19.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.60%	3.42%	-0.82%

Volatility

MSIGX vs. MLPLX - Volatility Comparison

The current volatility for Invesco Main Street Fund (MSIGX) is 4.83%, while Invesco SteelPath MLP Alpha Plus Fund Class A (MLPLX) has a volatility of 6.30%. This indicates that MSIGX experiences smaller price fluctuations and is considered to be less risky than MLPLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSIGX	MLPLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.83%	6.30%	-1.47%
Volatility (6M) Calculated over the trailing 6-month period	10.14%	12.19%	-2.05%
Volatility (1Y) Calculated over the trailing 1-year period	12.95%	16.47%	-3.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.01%	25.03%	-8.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.92%	35.52%	-17.60%

MSIGX vs. MLPLX - Expense Ratio Comparison

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

Dividends

MSIGX vs. MLPLX - Dividend Comparison

MSIGX's dividend yield for the trailing twelve months is around 7.22%, more than MLPLX's 4.97% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MLPLX Invesco SteelPath MLP Alpha Plus Fund Class A	4.97%	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	7.22%	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 MLPLX in my portfolio?

MSIGX and MLPLX have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MSIGX or MLPLX?

MLPLX has higher volatility (6.30%) compared to MSIGX (4.83%). In terms of maximum drawdown, MSIGX dropped -57.22% vs MLPLX's -88.76%.

Which has better risk-adjusted returns?

MLPLX currently has the higher Sharpe Ratio (1.78 vs 1.40), 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.