MPAIX vs. FUMIX

Last updated Jul 15, 2026

MPAIX (Morgan Stanley Institutional Fund, Inc. Advantage Portfolio) and FUMIX (Fidelity SAI U.S. Momentum Index Fund) are both Large Cap Growth Equities funds. Over the past 5 years, MPAIX returned -1.52%/yr vs 15.62%/yr for FUMIX. A 0.73 correlation means they provide meaningful diversification when combined. MPAIX charges 0.85%/yr vs 0.11%/yr for FUMIX.

Performance

MPAIX vs. FUMIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morgan Stanley Institutional Fund, Inc. Advantage Portfolio (MPAIX) and Fidelity SAI U.S. Momentum Index Fund (FUMIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MPAIX achieves a -3.47% return, which is significantly lower than FUMIX's 25.28% return.

MPAIX

• 1D: -1.62%
• 1M: 4.96%
• 6M: -4.78%
• YTD: -3.47%
• 1Y: -5.05%
• 3Y*: 17.38%
• 5Y*: -1.52%
• 10Y*: 11.72%

FUMIX

• 1D: -1.61%
• 1M: -1.20%
• 6M: 22.44%
• YTD: 25.28%
• 1Y: 30.16%
• 3Y*: 29.84%
• 5Y*: 15.62%
• 10Y*: —

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

MPAIX vs. FUMIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MPAIX Morgan Stanley Institutional Fund, Inc. Advantage Portfolio	-3.47%	18.96%	36.20%	46.28%	-54.25%	-4.91%	74.81%	29.09%	2.07%	24.73%
FUMIX Fidelity SAI U.S. Momentum Index Fund	25.28%	17.01%	33.39%	14.67%	-15.79%	22.56%	29.92%	24.16%	-1.41%	22.71%

Correlation

The correlation between MPAIX and FUMIX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.65
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (All Time) Calculated using the full available price history since Feb 9, 2017	0.73

Over the past year, the correlation between MPAIX and FUMIX has dropped to 0.49 - well below their long-term average of 0.73, suggesting their price drivers have been diverging.

Return for Risk

MPAIX vs. FUMIX — Risk / Return Rank

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

MPAIX

MPAIX Risk / Return Rank: 3
MPAIX Sharpe Ratio Rank: 2
MPAIX Sortino Ratio Rank: 3
MPAIX Omega Ratio Rank: 3
MPAIX Calmar Ratio Rank: 2
MPAIX Martin Ratio Rank: 2

FUMIX

FUMIX Risk / Return Rank: 64
FUMIX Sharpe Ratio Rank: 52
FUMIX Sortino Ratio Rank: 48
FUMIX Omega Ratio Rank: 52
FUMIX Calmar Ratio Rank: 80
FUMIX Martin Ratio Rank: 85

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.

MPAIX vs. FUMIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Institutional Fund, Inc. Advantage Portfolio (MPAIX) and Fidelity SAI U.S. Momentum Index Fund (FUMIX). 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.

	MPAIX	FUMIX	Difference
Sharpe ratio: Return per unit of total volatility	-0.15	1.62	-1.77
Sortino ratio: Return per unit of downside risk	-0.04	2.22	-2.26
Omega ratio: Gain probability vs. loss probability	1.00	1.30	-0.30
Calmar ratio: Return relative to maximum drawdown	-0.16	2.91	-3.07
Martin ratio: Return relative to average drawdown	-0.31	12.19	-12.50

MPAIX vs. FUMIX - Sharpe Ratio Comparison

The current MPAIX Sharpe Ratio is -0.15, which is lower than the FUMIX Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of MPAIX and FUMIX, 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

MPAIX vs. FUMIX - Drawdown Comparison

The maximum MPAIX drawdown since its inception was -64.09%, which is greater than FUMIX's maximum drawdown of -33.36%. Use the drawdown chart below to compare losses from any high point for MPAIX and FUMIX.

Drawdown Indicators

	MPAIX	FUMIX	Difference
Max Drawdown Largest peak-to-trough decline	-64.09%	-33.36%	-30.73%
Max Drawdown (1Y) Largest decline over 1 year	-24.41%	-10.99%	-13.42%
Max Drawdown (3Y) Largest decline over 3 years	-27.15%	-19.90%	-7.25%
Max Drawdown (5Y) Largest decline over 5 years	-64.09%	-27.66%	-36.43%
Max Drawdown (10Y) Largest decline over 10 years	-64.09%	—	—
Current Drawdown Current decline from peak	-13.39%	-5.58%	-7.81%
Average Drawdown Average peak-to-trough decline	-13.54%	-6.27%	-7.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.53%	2.61%	+9.92%

Volatility

MPAIX vs. FUMIX - Volatility Comparison

The current volatility for Morgan Stanley Institutional Fund, Inc. Advantage Portfolio (MPAIX) is 7.64%, while Fidelity SAI U.S. Momentum Index Fund (FUMIX) has a volatility of 9.55%. This indicates that MPAIX experiences smaller price fluctuations and is considered to be less risky than FUMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MPAIX	FUMIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.64%	9.55%	-1.91%
Volatility (6M) Calculated over the trailing 6-month period	20.58%	17.61%	+2.97%
Volatility (1Y) Calculated over the trailing 1-year period	25.66%	19.84%	+5.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.70%	21.63%	+14.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.63%	21.92%	+7.71%

MPAIX vs. FUMIX - Expense Ratio Comparison

MPAIX has a 0.85% expense ratio, which is higher than FUMIX's 0.11% expense ratio.

Dividends

MPAIX vs. FUMIX - Dividend Comparison

MPAIX's dividend yield for the trailing twelve months is around 0.03%, less than FUMIX's 2.21% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FUMIX Fidelity SAI U.S. Momentum Index Fund	2.21%	2.77%	5.89%	18.09%	2.10%	20.67%	8.68%	2.09%	3.84%	0.88%	0.00%	0.00%
MPAIX Morgan Stanley Institutional Fund, Inc. Advantage Portfolio	0.03%	0.03%	1.50%	0.00%	28.33%	23.18%	5.16%	3.77%	4.54%	7.43%	2.17%	8.89%

Frequently Asked Questions

Can I hold both MPAIX and FUMIX in my portfolio?

MPAIX and FUMIX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MPAIX or FUMIX?

FUMIX has higher volatility (9.55%) compared to MPAIX (7.64%). In terms of maximum drawdown, MPAIX dropped -64.09% vs FUMIX's -33.36%.

Which has better risk-adjusted returns?

FUMIX currently has the higher Sharpe Ratio (1.62 vs -0.15), 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.