MQGIX vs. PTSIX

Last updated Jul 25, 2026

MQGIX (MFS International Growth Fund Class I) and PTSIX (PIMCO RAE PLUS International Fund) are both Foreign Large Cap Equities funds. Over the past 10 years, MQGIX returned 9.41%/yr vs 10.21%/yr for PTSIX. A 0.67 correlation means they provide meaningful diversification when combined. MQGIX charges 0.81%/yr vs 0.82%/yr for PTSIX.

Performance

MQGIX vs. PTSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS International Growth Fund Class I (MQGIX) and PIMCO RAE PLUS International Fund (PTSIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MQGIX achieves a 0.15% return, which is significantly lower than PTSIX's 15.77% return. Over the past 10 years, MQGIX has underperformed PTSIX with an annualized return of 9.41%, while PTSIX has yielded a comparatively higher 10.21% annualized return.

MQGIX

• 1D: -1.62%
• 1M: -0.44%
• 6M: -4.16%
• YTD: 0.15%
• 1Y: 3.04%
• 3Y*: 10.13%
• 5Y*: 5.48%
• 10Y*: 9.41%
• ALL TIME*: 7.64%

PTSIX

• 1D: -0.62%
• 1M: 5.11%
• 6M: 10.14%
• YTD: 15.77%
• 1Y: 28.22%
• 3Y*: 18.30%
• 5Y*: 10.77%
• 10Y*: 10.21%
• ALL TIME*: 9.33%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
MQGIX MFS International Growth Fund Class I	$0.00	$0.00	$0.00
PTSIX PIMCO RAE PLUS International Fund	$0.00	$0.00	$0.00

MQGIX vs. PTSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MQGIX MFS International Growth Fund Class I	0.15%	21.04%	9.08%	14.85%	-15.11%	9.48%	15.73%	27.20%	-8.86%	32.44%
PTSIX PIMCO RAE PLUS International Fund	15.77%	35.74%	2.54%	18.35%	-11.35%	10.70%	0.48%	18.29%	-16.33%	28.37%

Correlation

The correlation between MQGIX and PTSIX is 0.59, 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	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.62
Correlation (5Y) Calculated over the trailing 5-year period	0.63
Correlation (10Y) Calculated over the trailing 10-year period	0.63
Correlation (All Time) Calculated using the full available price history since Oct 3, 2011	0.67

The correlation between MQGIX and PTSIX has been stable across timeframes, ranging from 0.59 to 0.67 - a consistent structural relationship.

Return for Risk

MQGIX vs. PTSIX — Risk / Return Rank

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

MQGIX

MQGIX Risk / Return Rank: 7
MQGIX Sharpe Ratio Rank: 7
MQGIX Sortino Ratio Rank: 7
MQGIX Omega Ratio Rank: 7
MQGIX Calmar Ratio Rank: 7
MQGIX Martin Ratio Rank: 7

PTSIX

PTSIX Risk / Return Rank: 87
PTSIX Sharpe Ratio Rank: 92
PTSIX Sortino Ratio Rank: 89
PTSIX Omega Ratio Rank: 86
PTSIX Calmar Ratio Rank: 87
PTSIX Martin Ratio Rank: 81

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.

MQGIX vs. PTSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS International Growth Fund Class I (MQGIX) and PIMCO RAE PLUS International Fund (PTSIX). 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.

	MQGIX	PTSIX	Difference
Sharpe ratio: Return per unit of total volatility	0.18	2.45	-2.27
Sortino ratio: Return per unit of downside risk	0.35	3.48	-3.14
Omega ratio: Gain probability vs. loss probability	1.04	1.44	-0.39
Calmar ratio: Return relative to maximum drawdown	0.20	3.23	-3.02
Martin ratio: Return relative to average drawdown	0.62	10.64	-10.02

MQGIX vs. PTSIX - Sharpe Ratio Comparison

The current MQGIX Sharpe Ratio is 0.18, which is lower than the PTSIX Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of MQGIX and PTSIX, 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

MQGIX vs. PTSIX - Drawdown Comparison

The maximum MQGIX drawdown since its inception was -55.07%, which is greater than PTSIX's maximum drawdown of -46.94%. Use the drawdown chart below to compare losses from any high point for MQGIX and PTSIX.

Drawdown Indicators

	MQGIX	PTSIX	Difference
Max Drawdown Largest peak-to-trough decline	-55.07%	-46.94%	-8.13%
Max Drawdown (1Y) Largest decline over 1 year	-12.41%	-9.12%	-3.29%
Max Drawdown (3Y) Largest decline over 3 years	-13.62%	-15.62%	+2.00%
Max Drawdown (5Y) Largest decline over 5 years	-30.06%	-29.41%	-0.65%
Max Drawdown (10Y) Largest decline over 10 years	-30.06%	-46.94%	+16.88%
Current Drawdown Current decline from peak	-6.47%	-0.62%	-5.85%
Average Drawdown Average peak-to-trough decline	-9.32%	-9.41%	+0.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.09%	2.75%	+1.34%

Volatility

MQGIX vs. PTSIX - Volatility Comparison

The current volatility for MFS International Growth Fund Class I (MQGIX) is 3.49%, while PIMCO RAE PLUS International Fund (PTSIX) has a volatility of 3.79%. This indicates that MQGIX experiences smaller price fluctuations and is considered to be less risky than PTSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MQGIX	PTSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.49%	3.79%	-0.30%
Volatility (6M) Calculated over the trailing 6-month period	12.06%	9.54%	+2.52%
Volatility (1Y) Calculated over the trailing 1-year period	14.21%	12.10%	+2.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.65%	15.02%	+0.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.52%	15.80%	-0.28%

MQGIX vs. PTSIX - Expense Ratio Comparison

MQGIX has a 0.81% expense ratio, which is lower than PTSIX's 0.82% expense ratio.

Dividends

MQGIX vs. PTSIX - Dividend Comparison

MQGIX's dividend yield for the trailing twelve months is around 4.80%, less than PTSIX's 9.19% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MQGIX MFS International Growth Fund Class I	4.80%	4.80%	5.44%	2.44%	2.58%	6.07%	0.65%	1.32%	3.67%	2.25%	1.18%	1.03%
PTSIX PIMCO RAE PLUS International Fund	9.19%	3.62%	7.01%	3.18%	67.07%	223.75%	7.45%	3.49%	29.39%	7.86%	0.84%	3.54%

Frequently Asked Questions

Can I hold both MQGIX and PTSIX in my portfolio?

MQGIX and PTSIX have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MQGIX or PTSIX?

PTSIX has higher volatility (3.79%) compared to MQGIX (3.49%). In terms of maximum drawdown, MQGIX dropped -55.07% vs PTSIX's -46.94%.

Which has better risk-adjusted returns?

PTSIX currently has the higher Sharpe Ratio (2.45 vs 0.18), 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.