PTRIX vs. MFAIX

Last updated Jun 4, 2026

PTRIX (PIMCO Mortgage-Backed Securities Fund) and MFAIX (Morgan Stanley Institutional Fund, Inc. International Advantage Portfolio) are both mutual funds - PTRIX is a Intermediate Core-Plus Bond fund managed by PIMCO, while MFAIX is a Foreign Large Cap Equities fund managed by T. Rowe Price. At a 0.01 correlation, their price movements are largely independent. PTRIX charges 0.50%/yr vs 1.01%/yr for MFAIX.

Performance

PTRIX vs. MFAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Mortgage-Backed Securities Fund (PTRIX) and Morgan Stanley Institutional Fund, Inc. International Advantage Portfolio (MFAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

PTRIX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MFAIX

• 1D: -0.11%
• 1M: 5.89%
• YTD: 1.58%
• 6M: 1.77%
• 1Y: 3.22%
• 3Y*: 8.00%
• 5Y*: 0.24%
• 10Y*: 10.23%

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

PTRIX vs. MFAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PTRIX PIMCO Mortgage-Backed Securities Fund	0.00%	0.00%	5.87%	5.25%	-14.13%	1.04%	5.30%	6.44%	1.35%	4.38%
MFAIX Morgan Stanley Institutional Fund, Inc. International Advantage Portfolio	1.58%	15.74%	6.95%	18.38%	-34.47%	13.14%	32.33%	30.27%	-5.21%	44.78%

Correlation

The correlation between PTRIX and MFAIX is 0.01, 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 (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.19
Correlation (10Y) Calculated over the trailing 10-year period	0.09
Correlation (All Time) Calculated using the full available price history since Dec 30, 2010	0.01

The correlation between PTRIX and MFAIX shifts across timeframes, from 0.01 (all time) to 0.19 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PTRIX vs. MFAIX — Risk / Return Rank

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

MFAIX

MFAIX Risk / Return Rank: 3
MFAIX Sharpe Ratio Rank: 3
MFAIX Sortino Ratio Rank: 3
MFAIX Omega Ratio Rank: 3
MFAIX Calmar Ratio Rank: 3
MFAIX Martin Ratio Rank: 4

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.

PTRIX vs. MFAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Mortgage-Backed Securities Fund (PTRIX) and Morgan Stanley Institutional Fund, Inc. International Advantage Portfolio (MFAIX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	PTRIX	MFAIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.15	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.01	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.53	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.53	—

Drawdowns

Drawdown Indicators

	PTRIX	MFAIX	Difference
Max Drawdown Largest peak-to-trough decline	—	-47.98%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-15.56%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-23.07%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-47.98%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-47.98%	—
Current Drawdown Current decline from peak	—	-8.21%	—
Average Drawdown Average peak-to-trough decline	—	-9.17%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.74%	—

Volatility

Volatility by Period

	PTRIX	MFAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	6.01%	—
Volatility (6M) Calculated over the trailing 6-month period	—	14.63%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	18.06%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	21.76%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	19.34%	—

PTRIX vs. MFAIX - Expense Ratio Comparison

PTRIX has a 0.50% expense ratio, which is lower than MFAIX's 1.01% expense ratio.

Dividends

PTRIX vs. MFAIX - Dividend Comparison

Neither PTRIX nor MFAIX has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MFAIX Morgan Stanley Institutional Fund, Inc. International Advantage Portfolio	0.00%	0.00%	0.14%	0.05%	4.55%	0.99%	0.04%	0.26%	1.75%	2.03%	1.67%	15.04%
PTRIX PIMCO Mortgage-Backed Securities Fund	0.00%	0.00%	4.07%	5.32%	3.82%	3.02%	2.89%	3.73%	3.54%	3.04%	3.18%	2.43%

Frequently Asked Questions

Can I hold both PTRIX and MFAIX in my portfolio?

PTRIX and MFAIX have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.