MSTGX vs. PDSYX

Last updated Apr 2, 2026

Compare and contrast key facts about Morningstar Global Income Fund (MSTGX) and Principal Diversified Select Real Asset Fund (PDSYX).

MSTGX is managed by Morningstar. It was launched on Nov 1, 2018. PDSYX is managed by Principal Funds. It was launched on Jul 2, 2019.

Performance

MSTGX vs. PDSYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morningstar Global Income Fund (MSTGX) and Principal Diversified Select Real Asset Fund (PDSYX). The values are adjusted to include any dividend payments, if applicable.

MSTGX vs. PDSYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
MSTGX Morningstar Global Income Fund	3.10%	12.04%	5.36%	11.91%	-11.18%	8.46%	3.92%	6.69%
PDSYX Principal Diversified Select Real Asset Fund	3.75%	7.90%	3.65%	2.45%	-5.36%	14.81%	2.43%	4.08%

Returns By Period

In the year-to-date period, MSTGX achieves a 3.10% return, which is significantly lower than PDSYX's 3.75% return.

MSTGX

• 1D: 0.39%
• 1M: -3.55%
• YTD: 3.10%
• 6M: 4.16%
• 1Y: 10.06%
• 3Y*: 9.62%
• 5Y*: 4.82%
• 10Y*: —

PDSYX

• 1D: 0.49%
• 1M: -1.04%
• YTD: 3.75%
• 6M: 5.20%
• 1Y: 10.54%
• 3Y*: 5.74%
• 5Y*: 4.37%
• 10Y*: —

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

MSTGX vs. PDSYX - Expense Ratio Comparison

MSTGX has a 0.62% expense ratio, which is lower than PDSYX's 1.20% expense ratio.

PDSYX

Principal Diversified Select Real Asset Fund

MSTGX

Morningstar Global Income Fund

Return for Risk

MSTGX vs. PDSYX — Risk / Return Rank

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

MSTGX

MSTGX Risk / Return Rank: 78
MSTGX Sharpe Ratio Rank: 75
MSTGX Sortino Ratio Rank: 79
MSTGX Omega Ratio Rank: 76
MSTGX Calmar Ratio Rank: 78
MSTGX Martin Ratio Rank: 84

PDSYX

PDSYX Risk / Return Rank: 84
PDSYX Sharpe Ratio Rank: 80
PDSYX Sortino Ratio Rank: 71
PDSYX Omega Ratio Rank: 96
PDSYX Calmar Ratio Rank: 76
PDSYX Martin Ratio Rank: 97

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.

MSTGX vs. PDSYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morningstar Global Income Fund (MSTGX) and Principal Diversified Select Real Asset Fund (PDSYX). 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.

	MSTGX	PDSYX	Difference
Sharpe ratio Return per unit of total volatility	1.44	1.59	-0.15
Sortino ratio Return per unit of downside risk	2.11	1.98	+0.13
Omega ratio Gain probability vs. loss probability	1.31	1.56	-0.25
Calmar ratio Return relative to maximum drawdown	2.04	2.04	0.00
Martin ratio Return relative to average drawdown	9.32	17.91	-8.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MSTGX vs. PDSYX - Sharpe Ratio Comparison

The current MSTGX Sharpe Ratio is 1.44, which is comparable to the PDSYX Sharpe Ratio of 1.59. The chart below compares the historical Sharpe Ratios of MSTGX and PDSYX, 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

	MSTGX	PDSYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.44	1.59	-0.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	0.69	-0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	0.56	+0.05

Correlation

The correlation between MSTGX and PDSYX is 0.80, 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

MSTGX vs. PDSYX - Dividend Comparison

MSTGX's dividend yield for the trailing twelve months is around 2.53%, more than PDSYX's 1.78% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018
MSTGX Morningstar Global Income Fund	2.53%	2.97%	6.64%	6.32%	8.79%	10.48%	2.96%	4.11%	0.56%
PDSYX Principal Diversified Select Real Asset Fund	1.78%	1.85%	2.18%	2.06%	1.58%	7.46%	2.70%	1.21%	0.00%

Drawdowns

MSTGX vs. PDSYX - Drawdown Comparison

The maximum MSTGX drawdown since its inception was -27.52%, smaller than the maximum PDSYX drawdown of -30.01%. Use the drawdown chart below to compare losses from any high point for MSTGX and PDSYX.

Drawdown Indicators

	MSTGX	PDSYX	Difference
Max Drawdown Largest peak-to-trough decline	-27.52%	-30.01%	+2.49%
Max Drawdown (1Y) Largest decline over 1 year	-6.13%	-5.32%	-0.81%
Max Drawdown (5Y) Largest decline over 5 years	-19.64%	-10.95%	-8.69%
Current Drawdown Current decline from peak	-3.91%	-1.04%	-2.87%
Average Drawdown Average peak-to-trough decline	-4.38%	-4.46%	+0.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.44%	0.61%	+0.83%

Volatility

MSTGX vs. PDSYX - Volatility Comparison

Morningstar Global Income Fund (MSTGX) has a higher volatility of 2.14% compared to Principal Diversified Select Real Asset Fund (PDSYX) at 1.19%. This indicates that MSTGX's price experiences larger fluctuations and is considered to be riskier than PDSYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSTGX	PDSYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.14%	1.19%	+0.95%
Volatility (6M) Calculated over the trailing 6-month period	4.37%	2.28%	+2.09%
Volatility (1Y) Calculated over the trailing 1-year period	8.67%	6.83%	+1.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.15%	6.38%	+1.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.90%	8.82%	+2.08%