MSIQX vs. VOO

Last updated Jun 4, 2026

MSIQX (Morgan Stanley Institutional Fund, Inc. International Equity Portfolio) and VOO (Vanguard S&P 500 ETF) are both funds - MSIQX is a Foreign Large Cap Equities fund managed by T. Rowe Price, while VOO is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, MSIQX returned 0.73%/yr vs 15.56%/yr for VOO. A 0.73 correlation means they provide meaningful diversification when combined. MSIQX charges 0.95%/yr vs 0.03%/yr for VOO.

Performance

MSIQX vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morgan Stanley Institutional Fund, Inc. International Equity Portfolio (MSIQX) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MSIQX achieves a 7.19% return, which is significantly lower than VOO's 10.91% return. Over the past 10 years, MSIQX has underperformed VOO with an annualized return of 0.73%, while VOO has yielded a comparatively higher 15.56% annualized return.

MSIQX

• 1D: 0.56%
• 1M: 3.62%
• YTD: 7.19%
• 6M: -40.83%
• 1Y: -38.17%
• 3Y*: -8.75%
• 5Y*: -6.78%
• 10Y*: 0.73%

VOO

• 1D: -0.70%
• 1M: 5.04%
• YTD: 10.91%
• 6M: 10.93%
• 1Y: 28.04%
• 3Y*: 22.44%
• 5Y*: 13.90%
• 10Y*: 15.56%

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

MSIQX vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSIQX Morgan Stanley Institutional Fund, Inc. International Equity Portfolio	7.19%	-33.40%	2.70%	16.86%	-14.24%	4.11%	11.43%	20.49%	-13.92%	25.18%
VOO Vanguard S&P 500 ETF	10.91%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between MSIQX and VOO is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.71
Correlation (5Y) Calculated over the trailing 5-year period	0.73
Correlation (10Y) Calculated over the trailing 10-year period	0.71
Correlation (All Time) Calculated using the full available price history since Sep 10, 2010	0.73

The correlation between MSIQX and VOO has been stable across timeframes, ranging from 0.71 to 0.76 - a consistent structural relationship.

Return for Risk

MSIQX vs. VOO — Risk / Return Rank

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

MSIQX

MSIQX Risk / Return Rank: 1
MSIQX Sharpe Ratio Rank: 1
MSIQX Sortino Ratio Rank: 1
MSIQX Omega Ratio Rank: 0
MSIQX Calmar Ratio Rank: 0
MSIQX Martin Ratio Rank: 1

VOO

VOO Risk / Return Rank: 70
VOO Sharpe Ratio Rank: 71
VOO Sortino Ratio Rank: 70
VOO Omega Ratio Rank: 70
VOO Calmar Ratio Rank: 62
VOO Martin Ratio Rank: 75

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.

MSIQX vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Institutional Fund, Inc. International Equity Portfolio (MSIQX) and Vanguard S&P 500 ETF (VOO). 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.

	MSIQX	VOO	Difference
Sharpe ratio: Return per unit of total volatility	-0.80	2.39	-3.19
Sortino ratio: Return per unit of downside risk	-0.68	3.25	-3.94
Omega ratio: Gain probability vs. loss probability	0.75	1.43	-0.68
Calmar ratio: Return relative to maximum drawdown	-0.79	3.16	-3.95
Martin ratio: Return relative to average drawdown	-1.28	14.73	-16.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MSIQX vs. VOO - Sharpe Ratio Comparison

The current MSIQX Sharpe Ratio is -0.80, which is lower than the VOO Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of MSIQX and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MSIQX	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.80	2.39	-3.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.20	0.83	-1.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.03	0.87	-0.84
Sharpe Ratio (All Time) Calculated using the full available price history	0.31	0.89	-0.58

Drawdowns

MSIQX vs. VOO - Drawdown Comparison

The maximum MSIQX drawdown since its inception was -56.18%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for MSIQX and VOO.

Drawdown Indicators

	MSIQX	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-56.18%	-33.99%	-22.19%
Max Drawdown (1Y) Largest decline over 1 year	-49.39%	-8.90%	-40.49%
Max Drawdown (3Y) Largest decline over 3 years	-56.18%	-18.69%	-37.49%
Max Drawdown (5Y) Largest decline over 5 years	-56.18%	-24.52%	-31.66%
Max Drawdown (10Y) Largest decline over 10 years	-56.18%	-33.99%	-22.19%
Current Drawdown Current decline from peak	-49.97%	-0.70%	-49.27%
Average Drawdown Average peak-to-trough decline	-9.10%	-3.69%	-5.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	30.26%	1.91%	+28.35%

Volatility

MSIQX vs. VOO - Volatility Comparison

Morgan Stanley Institutional Fund, Inc. International Equity Portfolio (MSIQX) has a higher volatility of 4.55% compared to Vanguard S&P 500 ETF (VOO) at 2.84%. This indicates that MSIQX's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSIQX	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.55%	2.84%	+1.71%
Volatility (6M) Calculated over the trailing 6-month period	62.65%	8.90%	+53.75%
Volatility (1Y) Calculated over the trailing 1-year period	48.41%	11.80%	+36.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.99%	16.81%	+17.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.76%	18.01%	+8.75%

MSIQX vs. VOO - Expense Ratio Comparison

MSIQX has a 0.95% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

MSIQX vs. VOO - Dividend Comparison

MSIQX has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.03%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSIQX Morgan Stanley Institutional Fund, Inc. International Equity Portfolio	0.00%	0.00%	40.18%	4.40%	7.56%	10.56%	1.36%	10.14%	14.89%	1.91%	1.07%	2.89%
VOO Vanguard S&P 500 ETF	1.03%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both MSIQX and VOO in my portfolio?

MSIQX and VOO have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MSIQX or VOO?

MSIQX has higher volatility (4.55%) compared to VOO (2.84%). In terms of maximum drawdown, MSIQX dropped -56.18% vs VOO's -33.99%.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.39 vs -0.80), 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.