MIOIX vs. PRSCX

Last updated Apr 1, 2026

Compare and contrast key facts about Morgan Stanley Institutional Fund, Inc. International Opportunity Portfolio (MIOIX) and T. Rowe Price Science And Technology Fund (PRSCX).

MIOIX is managed by T. Rowe Price. It was launched on Mar 30, 2010. PRSCX is managed by T. Rowe Price. It was launched on Sep 29, 1987.

Performance

MIOIX vs. PRSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morgan Stanley Institutional Fund, Inc. International Opportunity Portfolio (MIOIX) and T. Rowe Price Science And Technology Fund (PRSCX). The values are adjusted to include any dividend payments, if applicable.

MIOIX vs. PRSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MIOIX Morgan Stanley Institutional Fund, Inc. International Opportunity Portfolio	-13.46%	12.64%	19.32%	21.11%	-43.76%	-5.25%	55.49%	35.20%	-12.03%	53.41%
PRSCX T. Rowe Price Science And Technology Fund	-11.17%	24.28%	40.49%	53.77%	-35.40%	5.83%	45.94%	53.80%	-7.52%	39.38%

Returns By Period

In the year-to-date period, MIOIX achieves a -13.46% return, which is significantly lower than PRSCX's -11.17% return. Over the past 10 years, MIOIX has underperformed PRSCX with an annualized return of 8.15%, while PRSCX has yielded a comparatively higher 18.39% annualized return.

MIOIX

• 1D: -0.89%
• 1M: -15.22%
• YTD: -13.46%
• 6M: -16.22%
• 1Y: -4.66%
• 3Y*: 6.44%
• 5Y*: -5.59%
• 10Y*: 8.15%

PRSCX

• 1D: -2.31%
• 1M: -13.60%
• YTD: -11.17%
• 6M: -8.13%
• 1Y: 30.89%
• 3Y*: 23.42%
• 5Y*: 8.65%
• 10Y*: 18.39%

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

MIOIX vs. PRSCX - Expense Ratio Comparison

MIOIX has a 1.00% expense ratio, which is higher than PRSCX's 0.84% expense ratio.

MIOIX

Morgan Stanley Institutional Fund, Inc. International Opportunity Portfolio

PRSCX

T. Rowe Price Science And Technology Fund

Return for Risk

MIOIX vs. PRSCX — Risk / Return Rank

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

MIOIX

MIOIX Risk / Return Rank: 2
MIOIX Sharpe Ratio Rank: 3
MIOIX Sortino Ratio Rank: 3
MIOIX Omega Ratio Rank: 3
MIOIX Calmar Ratio Rank: 2
MIOIX Martin Ratio Rank: 1

PRSCX

PRSCX Risk / Return Rank: 65
PRSCX Sharpe Ratio Rank: 69
PRSCX Sortino Ratio Rank: 71
PRSCX Omega Ratio Rank: 65
PRSCX Calmar Ratio Rank: 68
PRSCX Martin Ratio Rank: 53

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.

MIOIX vs. PRSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Institutional Fund, Inc. International Opportunity Portfolio (MIOIX) and T. Rowe Price Science And Technology Fund (PRSCX). 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.

	MIOIX	PRSCX	Difference
Sharpe ratio Return per unit of total volatility	-0.28	1.18	-1.47
Sortino ratio Return per unit of downside risk	-0.26	1.73	-2.00
Omega ratio Gain probability vs. loss probability	0.97	1.24	-0.27
Calmar ratio Return relative to maximum drawdown	-0.40	1.53	-1.93
Martin ratio Return relative to average drawdown	-1.44	5.13	-6.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MIOIX vs. PRSCX - Sharpe Ratio Comparison

The current MIOIX Sharpe Ratio is -0.28, which is lower than the PRSCX Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of MIOIX and PRSCX, 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

	MIOIX	PRSCX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.28	1.18	-1.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.23	0.32	-0.55
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.37	0.76	-0.38
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.48	-0.06

Correlation

The correlation between MIOIX and PRSCX is 0.77, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MIOIX vs. PRSCX - Dividend Comparison

MIOIX has not paid dividends to shareholders, while PRSCX's dividend yield for the trailing twelve months is around 12.97%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MIOIX Morgan Stanley Institutional Fund, Inc. International Opportunity Portfolio	0.00%	0.00%	0.16%	0.00%	9.25%	2.13%	0.24%	0.00%	0.24%	1.63%	0.02%	3.15%
PRSCX T. Rowe Price Science And Technology Fund	12.97%	11.53%	9.43%	0.00%	7.83%	33.69%	13.90%	10.91%	36.03%	13.21%	3.68%	18.51%

Drawdowns

MIOIX vs. PRSCX - Drawdown Comparison

The maximum MIOIX drawdown since its inception was -60.88%, smaller than the maximum PRSCX drawdown of -85.26%. Use the drawdown chart below to compare losses from any high point for MIOIX and PRSCX.

Drawdown Indicators

	MIOIX	PRSCX	Difference
Max Drawdown Largest peak-to-trough decline	-60.88%	-85.26%	+24.38%
Max Drawdown (1Y) Largest decline over 1 year	-18.50%	-17.99%	-0.51%
Max Drawdown (5Y) Largest decline over 5 years	-56.75%	-46.19%	-10.56%
Max Drawdown (10Y) Largest decline over 10 years	-60.88%	-46.19%	-14.69%
Current Drawdown Current decline from peak	-36.44%	-17.99%	-18.45%
Average Drawdown Average peak-to-trough decline	-15.69%	-30.02%	+14.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.19%	5.37%	-0.18%

Volatility

MIOIX vs. PRSCX - Volatility Comparison

Morgan Stanley Institutional Fund, Inc. International Opportunity Portfolio (MIOIX) and T. Rowe Price Science And Technology Fund (PRSCX) have volatilities of 8.78% and 8.82%, 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

	MIOIX	PRSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.78%	8.82%	-0.04%
Volatility (6M) Calculated over the trailing 6-month period	14.23%	17.49%	-3.26%
Volatility (1Y) Calculated over the trailing 1-year period	20.07%	27.29%	-7.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.80%	27.36%	-2.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.90%	24.50%	-2.60%