IWV vs. PDRDX
IWV (iShares Russell 3000 ETF) and PDRDX (Principal Diversified Real Asset Fund) are both funds - IWV is a Large Cap Blend Equities fund tracking the Russell 3000 Index, while PDRDX is a Global Allocation fund managed by Principal. Over the past 10 years, IWV returned 14.84%/yr vs 6.35%/yr for PDRDX. A 0.71 correlation means they provide meaningful diversification when combined. IWV charges 0.20%/yr vs 0.83%/yr for PDRDX.
Performance
IWV vs. PDRDX - Performance Comparison
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Returns By Period
In the year-to-date period, IWV achieves a 9.30% return, which is significantly lower than PDRDX's 11.44% return. Over the past 10 years, IWV has outperformed PDRDX with an annualized return of 14.84%, while PDRDX has yielded a comparatively lower 6.35% annualized return.
IWV
- 1D
- 0.53%
- 1M
- -0.32%
- YTD
- 9.30%
- 6M
- 9.38%
- 1Y
- 25.70%
- 3Y*
- 20.32%
- 5Y*
- 12.07%
- 10Y*
- 14.84%
PDRDX
- 1D
- 0.74%
- 1M
- -2.51%
- YTD
- 11.44%
- 6M
- 12.28%
- 1Y
- 19.27%
- 3Y*
- 10.82%
- 5Y*
- 5.81%
- 10Y*
- 6.35%
IWV vs. PDRDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWV iShares Russell 3000 ETF | 9.30% | 16.96% | 23.49% | 25.82% | -19.28% | 25.54% | 20.55% | 30.66% | -5.43% | 20.97% |
PDRDX Principal Diversified Real Asset Fund | 11.44% | 14.63% | 3.09% | 3.22% | -6.19% | 17.30% | 3.97% | 15.02% | -7.90% | 10.18% |
Correlation
The correlation between IWV and PDRDX is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.44 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.57 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.65 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.68 |
Correlation (All Time) Calculated using the full available price history since Mar 17, 2010 | 0.71 |
Over the past year, the correlation between IWV and PDRDX has dropped to 0.44 - well below their long-term average of 0.71, suggesting their price drivers have been diverging.
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Return for Risk
IWV vs. PDRDX — Risk / Return Rank
IWV
PDRDX
IWV vs. PDRDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 3000 ETF (IWV) 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.
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.
| IWV | PDRDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.20 | ||
| Sortino ratioReturn per unit of downside risk | -0.28 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.39 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 2.74 | 3.38 | -0.64 |
| Martin ratioReturn relative to average drawdown | 12.28 | 13.83 | -1.54 |
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Drawdowns
IWV vs. PDRDX - Drawdown Comparison
The maximum IWV drawdown since its inception was -55.61%, which is greater than PDRDX's maximum drawdown of -28.55%. Use the drawdown chart below to compare losses from any high point for IWV and PDRDX.
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Drawdown Indicators
| IWV | PDRDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.61% | -28.55% | -27.06% |
Max Drawdown (1Y)Largest decline over 1 year | -8.89% | -5.88% | -3.01% |
Max Drawdown (3Y)Largest decline over 3 years | -19.28% | -10.94% | -8.34% |
Max Drawdown (5Y)Largest decline over 5 years | -25.11% | -19.35% | -5.76% |
Max Drawdown (10Y)Largest decline over 10 years | -35.22% | -28.55% | -6.67% |
Current DrawdownCurrent decline from peak | -2.09% | -2.93% | +0.84% |
Average DrawdownAverage peak-to-trough decline | -10.58% | -5.97% | -4.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.98% | 1.43% | +0.55% |
Volatility
IWV vs. PDRDX - Volatility Comparison
iShares Russell 3000 ETF (IWV) has a higher volatility of 4.44% compared to Principal Diversified Real Asset Fund (PDRDX) at 2.94%. This indicates that IWV's price experiences larger fluctuations and is considered to be riskier than PDRDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IWV | PDRDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.44% | 2.94% | +1.50% |
Volatility (6M)Calculated over the trailing 6-month period | 9.75% | 7.83% | +1.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.57% | 9.31% | +3.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.30% | 11.02% | +6.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.43% | 10.81% | +7.62% |
IWV vs. PDRDX - Expense Ratio Comparison
IWV has a 0.20% expense ratio, which is lower than PDRDX's 0.83% expense ratio.
Dividends
IWV vs. PDRDX - Dividend Comparison
IWV's dividend yield for the trailing twelve months is around 0.87%, less than PDRDX's 3.85% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IWV iShares Russell 3000 ETF | 0.87% | 0.96% | 1.08% | 1.30% | 1.56% | 1.04% | 1.30% | 1.69% | 1.97% | 1.58% | 1.79% | 1.99% |
PDRDX Principal Diversified Real Asset Fund | 3.85% | 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
IWV and PDRDX have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IWV has higher volatility (4.44%) compared to PDRDX (2.94%). In terms of maximum drawdown, IWV dropped -55.61% vs PDRDX's -28.55%.
PDRDX currently has the higher Sharpe Ratio (2.13 vs 1.94), 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.
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