AAAZX vs. PDSYX

Last updated Jun 5, 2026

AAAZX (DWS RREEF Real Assets Fund) and PDSYX (Principal Diversified Select Real Asset Fund) are both Global Allocation funds. Over the past 5 years, AAAZX returned 5.12%/yr vs 3.58%/yr for PDSYX. Their correlation of 0.87 suggests significant overlap in exposure. AAAZX charges 0.90%/yr vs 1.20%/yr for PDSYX.

Performance

AAAZX vs. PDSYX - Performance Comparison

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

Returns By Period

In the year-to-date period, AAAZX achieves a 10.45% return, which is significantly higher than PDSYX's 4.92% return.

AAAZX

• 1D: -0.29%
• 1M: -2.47%
• YTD: 10.45%
• 6M: 10.78%
• 1Y: 16.97%
• 3Y*: 11.57%
• 5Y*: 5.12%
• 10Y*: 7.45%

PDSYX

• 1D: -0.14%
• 1M: -0.21%
• YTD: 4.92%
• 6M: 4.77%
• 1Y: 9.45%
• 3Y*: 6.08%
• 5Y*: 3.58%
• 10Y*: —

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

AAAZX vs. PDSYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
AAAZX DWS RREEF Real Assets Fund	10.45%	13.14%	5.49%	2.64%	-9.57%	23.83%	3.91%	4.32%
PDSYX Principal Diversified Select Real Asset Fund	4.92%	7.90%	3.65%	2.45%	-5.36%	14.81%	2.43%	4.08%

Correlation

The correlation between AAAZX and PDSYX is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.90
Correlation (All Time) Calculated using the full available price history since Jul 12, 2019	0.87

The correlation between AAAZX and PDSYX has been stable across timeframes, ranging from 0.81 to 0.90 - a consistent structural relationship.

Return for Risk

AAAZX vs. PDSYX — Risk / Return Rank

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

AAAZX

AAAZX Risk / Return Rank: 48
AAAZX Sharpe Ratio Rank: 42
AAAZX Sortino Ratio Rank: 38
AAAZX Omega Ratio Rank: 43
AAAZX Calmar Ratio Rank: 61
AAAZX Martin Ratio Rank: 54

PDSYX

PDSYX Risk / Return Rank: 92
PDSYX Sharpe Ratio Rank: 93
PDSYX Sortino Ratio Rank: 95
PDSYX Omega Ratio Rank: 89
PDSYX Calmar Ratio Rank: 91
PDSYX Martin Ratio Rank: 94

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.

AAAZX vs. PDSYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DWS RREEF Real Assets Fund (AAAZX) 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.

	AAAZX	PDSYX	Difference
Sharpe ratio: Return per unit of total volatility	1.88	3.15	-1.27
Sortino ratio: Return per unit of downside risk	2.56	4.98	-2.42
Omega ratio: Gain probability vs. loss probability	1.35	1.65	-0.29
Calmar ratio: Return relative to maximum drawdown	2.98	4.75	-1.77
Martin ratio: Return relative to average drawdown	10.84	20.80	-9.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AAAZX vs. PDSYX - Sharpe Ratio Comparison

The current AAAZX Sharpe Ratio is 1.88, which is lower than the PDSYX Sharpe Ratio of 3.15. The chart below compares the historical Sharpe Ratios of AAAZX and PDSYX, 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

	AAAZX	PDSYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.88	3.15	-1.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.42	0.57	-0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.57	-0.17

Drawdowns

AAAZX vs. PDSYX - Drawdown Comparison

The maximum AAAZX drawdown since its inception was -40.45%, which is greater than PDSYX's maximum drawdown of -30.01%. Use the drawdown chart below to compare losses from any high point for AAAZX and PDSYX.

Drawdown Indicators

	AAAZX	PDSYX	Difference
Max Drawdown Largest peak-to-trough decline	-40.45%	-30.01%	-10.44%
Max Drawdown (1Y) Largest decline over 1 year	-5.68%	-1.98%	-3.70%
Max Drawdown (3Y) Largest decline over 3 years	-10.15%	-5.84%	-4.31%
Max Drawdown (5Y) Largest decline over 5 years	-22.52%	-10.95%	-11.57%
Max Drawdown (10Y) Largest decline over 10 years	-29.44%	—	—
Current Drawdown Current decline from peak	-3.01%	-0.48%	-2.53%
Average Drawdown Average peak-to-trough decline	-6.62%	-4.35%	-2.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.56%	0.45%	+1.11%

Volatility

AAAZX vs. PDSYX - Volatility Comparison

DWS RREEF Real Assets Fund (AAAZX) has a higher volatility of 2.54% compared to Principal Diversified Select Real Asset Fund (PDSYX) at 0.94%. This indicates that AAAZX'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

	AAAZX	PDSYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.54%	0.94%	+1.60%
Volatility (6M) Calculated over the trailing 6-month period	7.31%	2.32%	+4.99%
Volatility (1Y) Calculated over the trailing 1-year period	9.02%	2.99%	+6.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.13%	6.32%	+5.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.71%	8.72%	+3.99%

AAAZX vs. PDSYX - Expense Ratio Comparison

AAAZX has a 0.90% expense ratio, which is lower than PDSYX's 1.20% expense ratio.

Dividends

AAAZX vs. PDSYX - Dividend Comparison

AAAZX's dividend yield for the trailing twelve months is around 3.75%, more than PDSYX's 1.76% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AAAZX DWS RREEF Real Assets Fund	3.75%	4.15%	2.85%	2.40%	4.50%	2.62%	1.60%	2.07%	1.89%	1.79%	1.82%	2.53%
PDSYX Principal Diversified Select Real Asset Fund	1.76%	1.85%	2.18%	2.06%	1.58%	7.46%	2.70%	1.21%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both AAAZX and PDSYX in my portfolio?

AAAZX and PDSYX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AAAZX or PDSYX?

AAAZX has higher volatility (2.54%) compared to PDSYX (0.94%). In terms of maximum drawdown, AAAZX dropped -40.45% vs PDSYX's -30.01%.

Which has better risk-adjusted returns?

PDSYX currently has the higher Sharpe Ratio (3.15 vs 1.88), 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.