IGA vs. PDRDX

Last updated Jun 4, 2026

IGA (Voya Global Advantage and Premium Opportunity Fund) and PDRDX (Principal Diversified Real Asset Fund) are both Global Allocation funds. Over the past 10 years, IGA returned 10.00%/yr vs 6.46%/yr for PDRDX. A 0.58 correlation means they provide meaningful diversification when combined. IGA charges 0.01%/yr vs 0.83%/yr for PDRDX.

Performance

IGA vs. PDRDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Global Advantage and Premium Opportunity Fund (IGA) and Principal Diversified Real Asset Fund (PDRDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IGA achieves a 5.15% return, which is significantly lower than PDRDX's 13.08% return. Over the past 10 years, IGA has outperformed PDRDX with an annualized return of 10.00%, while PDRDX has yielded a comparatively lower 6.46% annualized return.

IGA

• 1D: -0.34%
• 1M: 2.19%
• YTD: 5.15%
• 6M: 6.50%
• 1Y: 9.52%
• 3Y*: 18.86%
• 5Y*: 10.96%
• 10Y*: 10.00%

PDRDX

• 1D: 1.10%
• 1M: -0.65%
• YTD: 13.08%
• 6M: 13.47%
• 1Y: 22.26%
• 3Y*: 11.50%
• 5Y*: 6.34%
• 10Y*: 6.46%

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

IGA vs. PDRDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IGA Voya Global Advantage and Premium Opportunity Fund	5.15%	18.32%	21.06%	7.55%	-8.33%	28.35%	-8.03%	23.40%	-12.35%	26.19%
PDRDX Principal Diversified Real Asset Fund	13.08%	14.63%	3.09%	3.22%	-6.19%	17.30%	3.97%	15.02%	-7.90%	10.18%

Correlation

The correlation between IGA and PDRDX is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (3Y) Calculated over the trailing 3-year period	0.50
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (10Y) Calculated over the trailing 10-year period	0.58
Correlation (All Time) Calculated using the full available price history since Mar 18, 2010	0.58

The correlation between IGA and PDRDX shifts across timeframes, from 0.45 (1 year) to 0.58 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

IGA vs. PDRDX — Risk / Return Rank

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

IGA

IGA Risk / Return Rank: 15
IGA Sharpe Ratio Rank: 14
IGA Sortino Ratio Rank: 14
IGA Omega Ratio Rank: 13
IGA Calmar Ratio Rank: 15
IGA Martin Ratio Rank: 17

PDRDX

PDRDX Risk / Return Rank: 73
PDRDX Sharpe Ratio Rank: 69
PDRDX Sortino Ratio Rank: 63
PDRDX Omega Ratio Rank: 66
PDRDX Calmar Ratio Rank: 82
PDRDX Martin Ratio Rank: 86

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.

IGA vs. PDRDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Global Advantage and Premium Opportunity Fund (IGA) and Principal Diversified Real Asset Fund (PDRDX). 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.

	IGA	PDRDX	Difference
Sharpe ratio: Return per unit of total volatility	1.02	2.42	-1.40
Sortino ratio: Return per unit of downside risk	1.53	3.32	-1.79
Omega ratio: Gain probability vs. loss probability	1.18	1.45	-0.27
Calmar ratio: Return relative to maximum drawdown	1.37	3.76	-2.39
Martin ratio: Return relative to average drawdown	4.76	16.33	-11.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IGA vs. PDRDX - Sharpe Ratio Comparison

The current IGA Sharpe Ratio is 1.02, which is lower than the PDRDX Sharpe Ratio of 2.42. The chart below compares the historical Sharpe Ratios of IGA and PDRDX, 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

	IGA	PDRDX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.02	2.42	-1.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	0.58	+0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.62	0.60	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.51	-0.17

Drawdowns

IGA vs. PDRDX - Drawdown Comparison

The maximum IGA drawdown since its inception was -57.16%, which is greater than PDRDX's maximum drawdown of -28.55%. Use the drawdown chart below to compare losses from any high point for IGA and PDRDX.

Drawdown Indicators

	IGA	PDRDX	Difference
Max Drawdown Largest peak-to-trough decline	-57.16%	-28.55%	-28.61%
Max Drawdown (1Y) Largest decline over 1 year	-6.95%	-5.88%	-1.07%
Max Drawdown (3Y) Largest decline over 3 years	-11.22%	-10.94%	-0.28%
Max Drawdown (5Y) Largest decline over 5 years	-16.98%	-19.35%	+2.37%
Max Drawdown (10Y) Largest decline over 10 years	-41.68%	-28.55%	-13.13%
Current Drawdown Current decline from peak	-0.34%	-1.50%	+1.16%
Average Drawdown Average peak-to-trough decline	-8.06%	-5.98%	-2.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.01%	1.35%	+0.66%

Volatility

IGA vs. PDRDX - Volatility Comparison

The current volatility for Voya Global Advantage and Premium Opportunity Fund (IGA) is 2.36%, while Principal Diversified Real Asset Fund (PDRDX) has a volatility of 2.92%. This indicates that IGA experiences smaller price fluctuations and is considered to be less risky than PDRDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IGA	PDRDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.36%	2.92%	-0.56%
Volatility (6M) Calculated over the trailing 6-month period	7.38%	7.67%	-0.29%
Volatility (1Y) Calculated over the trailing 1-year period	9.37%	9.16%	+0.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.94%	11.00%	+2.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.28%	10.80%	+5.48%

IGA vs. PDRDX - Expense Ratio Comparison

IGA has a 0.01% expense ratio, which is lower than PDRDX's 0.83% expense ratio.

Dividends

IGA vs. PDRDX - Dividend Comparison

IGA's dividend yield for the trailing twelve months is around 11.29%, more than PDRDX's 3.79% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IGA Voya Global Advantage and Premium Opportunity Fund	11.29%	11.37%	11.38%	9.25%	9.06%	7.60%	9.01%	8.05%	9.78%	7.87%	10.83%	10.72%
PDRDX Principal Diversified Real Asset Fund	3.79%	4.19%	2.43%	2.52%	12.88%	6.56%	0.52%	2.36%	3.47%	2.21%	2.61%	0.99%

Frequently Asked Questions

Can I hold both IGA and PDRDX in my portfolio?

IGA and PDRDX have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IGA or PDRDX?

PDRDX has higher volatility (2.92%) compared to IGA (2.36%). In terms of maximum drawdown, IGA dropped -57.16% vs PDRDX's -28.55%.

Which has better risk-adjusted returns?

PDRDX currently has the higher Sharpe Ratio (2.42 vs 1.02), 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.