AOR vs. PRF
AOR (iShares Core 60/40 Balanced Allocation ETF) and PRF (Invesco RAFI US 1000 ETF) are both exchange-traded funds - AOR is a Diversified Portfolio fund tracking the S&P Target Risk Growth Index, while PRF is a Large Cap Value Equities fund tracking the RAFI Fundamental Select US 1000 Index. Both are passively managed. Over the past 10 years, AOR returned 8.58%/yr vs 13.94%/yr for PRF. Their correlation of 0.86 suggests significant overlap in exposure. AOR charges 0.15%/yr vs 0.34%/yr for PRF.
Performance
AOR vs. PRF - Performance Comparison
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Returns By Period
In the year-to-date period, AOR achieves a 7.85% return, which is significantly lower than PRF's 16.44% return. Over the past 10 years, AOR has underperformed PRF with an annualized return of 8.58%, while PRF has yielded a comparatively higher 13.94% annualized return.
AOR
- 1D
- 0.95%
- 1M
- 2.42%
- YTD
- 7.85%
- 6M
- 8.39%
- 1Y
- 19.38%
- 3Y*
- 13.65%
- 5Y*
- 7.09%
- 10Y*
- 8.58%
PRF
- 1D
- 0.68%
- 1M
- 4.19%
- YTD
- 16.44%
- 6M
- 16.00%
- 1Y
- 34.32%
- 3Y*
- 20.74%
- 5Y*
- 13.06%
- 10Y*
- 13.94%
AOR vs. PRF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AOR iShares Core 60/40 Balanced Allocation ETF | 7.85% | 16.44% | 10.68% | 15.75% | -15.64% | 11.19% | 11.42% | 18.91% | -5.82% | 15.80% |
PRF Invesco RAFI US 1000 ETF | 16.44% | 18.33% | 16.73% | 15.72% | -7.79% | 31.12% | 7.78% | 27.42% | -8.71% | 16.01% |
Correlation
The correlation between AOR and PRF is 0.84, 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 | 0.84 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.83 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.85 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.84 |
Correlation (All Time) Calculated using the full available price history since Nov 11, 2008 | 0.86 |
The correlation between AOR and PRF has been stable across timeframes, ranging from 0.83 to 0.86 - a consistent structural relationship.
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Return for Risk
AOR vs. PRF — Risk / Return Rank
AOR
PRF
AOR vs. PRF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core 60/40 Balanced Allocation ETF (AOR) and Invesco RAFI US 1000 ETF (PRF). 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.
| AOR | PRF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.95 | ||
| Sortino ratioReturn per unit of downside risk | -1.22 | ||
| Omega ratioGain probability vs. loss probability | 1.42 | 1.58 | -0.16 |
| Calmar ratioReturn relative to maximum drawdown | 2.93 | 5.23 | -2.30 |
| Martin ratioReturn relative to average drawdown | 12.60 | 21.40 | -8.80 |
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Drawdowns
AOR vs. PRF - Drawdown Comparison
The maximum AOR drawdown since its inception was -24.44%, smaller than the maximum PRF drawdown of -60.35%. Use the drawdown chart below to compare losses from any high point for AOR and PRF.
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Drawdown Indicators
| AOR | PRF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.44% | -60.35% | +35.91% |
Max Drawdown (1Y)Largest decline over 1 year | -6.64% | -6.59% | -0.05% |
Max Drawdown (3Y)Largest decline over 3 years | -9.77% | -15.82% | +6.05% |
Max Drawdown (5Y)Largest decline over 5 years | -21.72% | -19.72% | -2.00% |
Max Drawdown (10Y)Largest decline over 10 years | -22.95% | -38.16% | +15.21% |
Current DrawdownCurrent decline from peak | -0.10% | 0.00% | -0.10% |
Average DrawdownAverage peak-to-trough decline | -3.47% | -6.92% | +3.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.54% | 1.61% | -0.07% |
Volatility
AOR vs. PRF - Volatility Comparison
iShares Core 60/40 Balanced Allocation ETF (AOR) and Invesco RAFI US 1000 ETF (PRF) have volatilities of 3.61% and 3.64%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AOR | PRF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.61% | 3.64% | -0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 7.37% | 8.18% | -0.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.84% | 10.93% | -2.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.63% | 15.24% | -4.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.70% | 17.69% | -6.99% |
AOR vs. PRF - Expense Ratio Comparison
AOR has a 0.15% expense ratio, which is lower than PRF's 0.34% expense ratio.
Dividends
AOR vs. PRF - Dividend Comparison
AOR's dividend yield for the trailing twelve months is around 2.46%, more than PRF's 1.36% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AOR iShares Core 60/40 Balanced Allocation ETF | 2.46% | 2.55% | 2.66% | 2.50% | 2.12% | 1.64% | 1.89% | 2.56% | 2.49% | 4.51% | 2.16% | 2.12% |
PRF Invesco RAFI US 1000 ETF | 1.36% | 1.59% | 1.78% | 1.84% | 2.01% | 1.58% | 1.97% | 1.99% | 2.25% | 1.58% | 2.17% | 2.25% |
Frequently Asked Questions
AOR and PRF have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PRF has higher volatility (3.64%) compared to AOR (3.61%). In terms of maximum drawdown, AOR dropped -24.44% vs PRF's -60.35%.
On 10-year performance, PRF leads with 13.94% vs 8.58% for AOR. On fees, AOR is cheaper at 0.15% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, PRF has performed better with a 13.94% return vs 8.58%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
AOR is cheaper with a 0.15% expense ratio, compared with 0.34% for PRF.
AOR has the higher dividend yield at 2.46%, compared with 1.36% for PRF.
AOR is categorized as Diversified Portfolio, while PRF is Large Cap Value Equities. AOR tracks S&P Target Risk Growth Index, while PRF tracks RAFI Fundamental Select US 1000 Index. They also come from different issuers: iShares and Invesco. Their fees differ too: 0.15% for AOR and 0.34% for PRF.
PRF currently has the higher Sharpe Ratio (3.16 vs 2.21), 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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