PRF vs. IUSV
PRF (Invesco RAFI US 1000 ETF) and IUSV (iShares Core S&P U.S. Value ETF) are both Large Cap Value Equities funds - PRF tracks the RAFI Fundamental Select US 1000 Index while IUSV tracks the S&P 900 Value Index. Both are passively managed. Over the past 10 years, PRF returned 13.67%/yr vs 12.04%/yr for IUSV. With a 0.97 correlation, they move nearly in lockstep. PRF charges 0.34%/yr vs 0.04%/yr for IUSV.
Performance
PRF vs. IUSV - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, PRF achieves a 14.79% return, which is significantly higher than IUSV's 7.63% return. Over the past 10 years, PRF has outperformed IUSV with an annualized return of 13.67%, while IUSV has yielded a comparatively lower 12.04% annualized return.
PRF
- 1D
- -0.20%
- 1M
- 4.19%
- YTD
- 14.79%
- 6M
- 15.01%
- 1Y
- 32.80%
- 3Y*
- 21.40%
- 5Y*
- 12.43%
- 10Y*
- 13.67%
IUSV
- 1D
- -0.37%
- 1M
- 2.24%
- YTD
- 7.63%
- 6M
- 7.88%
- 1Y
- 21.24%
- 3Y*
- 15.62%
- 5Y*
- 10.47%
- 10Y*
- 12.04%
PRF vs. IUSV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRF Invesco RAFI US 1000 ETF | 14.79% | 18.33% | 16.73% | 15.72% | -7.79% | 31.12% | 7.78% | 27.42% | -8.71% | 16.01% |
IUSV iShares Core S&P U.S. Value ETF | 7.63% | 12.85% | 12.18% | 21.73% | -5.40% | 25.22% | 1.56% | 31.47% | -9.21% | 15.09% |
Correlation
The correlation between PRF and IUSV is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.95 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.96 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.97 |
Correlation (All Time) Calculated using the full available price history since Dec 20, 2005 | 0.97 |
The correlation between PRF and IUSV has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.
PRF vs. IUSV - Sectors Allocation Comparison
Sectors
PRF
IUSV
Technology
Financial Services
Healthcare
Communication Services
Industrials
Consumer Cyclical
Energy
Consumer Defensive
Basic Materials
Utilities
Real Estate
Technology
PRF
IUSV
Financial Services
PRF
IUSV
Healthcare
PRF
IUSV
Communication Services
PRF
IUSV
Industrials
PRF
IUSV
Consumer Cyclical
PRF
IUSV
Energy
PRF
IUSV
Consumer Defensive
PRF
IUSV
Basic Materials
PRF
IUSV
Utilities
PRF
IUSV
Real Estate
PRF
IUSV
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
PRF vs. IUSV — Risk / Return Rank
PRF
IUSV
PRF vs. IUSV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco RAFI US 1000 ETF (PRF) and iShares Core S&P U.S. Value ETF (IUSV). 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.
| PRF | IUSV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.96 | ||
| Sortino ratioReturn per unit of downside risk | +1.32 | ||
| Omega ratioGain probability vs. loss probability | 1.57 | 1.38 | +0.18 |
| Calmar ratioReturn relative to maximum drawdown | 5.00 | 3.35 | +1.64 |
| Martin ratioReturn relative to average drawdown | 20.67 | 12.84 | +7.82 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| PRF | IUSV | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.10 | 2.14 | +0.96 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.82 | 0.72 | +0.10 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.78 | 0.71 | +0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.48 | 0.60 | -0.12 |
Drawdowns
PRF vs. IUSV - Drawdown Comparison
The maximum PRF drawdown since its inception was -60.35%, which is greater than IUSV's maximum drawdown of -56.88%. Use the drawdown chart below to compare losses from any high point for PRF and IUSV.
Loading charts...
Drawdown Indicators
| PRF | IUSV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.35% | -56.88% | -3.47% |
Max Drawdown (1Y)Largest decline over 1 year | -6.59% | -6.36% | -0.23% |
Max Drawdown (3Y)Largest decline over 3 years | -15.82% | -17.76% | +1.94% |
Max Drawdown (5Y)Largest decline over 5 years | -19.72% | -17.95% | -1.77% |
Max Drawdown (10Y)Largest decline over 10 years | -38.16% | -37.54% | -0.62% |
Current DrawdownCurrent decline from peak | -0.20% | -0.51% | +0.31% |
Average DrawdownAverage peak-to-trough decline | -6.93% | -6.29% | -0.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.59% | 1.66% | -0.07% |
Volatility
PRF vs. IUSV - Volatility Comparison
Invesco RAFI US 1000 ETF (PRF) has a higher volatility of 2.64% compared to iShares Core S&P U.S. Value ETF (IUSV) at 2.14%. This indicates that PRF's price experiences larger fluctuations and is considered to be riskier than IUSV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| PRF | IUSV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.64% | 2.14% | +0.50% |
Volatility (6M)Calculated over the trailing 6-month period | 7.74% | 7.14% | +0.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.63% | 9.98% | +0.65% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.18% | 14.55% | +0.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.67% | 17.07% | +0.60% |
PRF vs. IUSV - Expense Ratio Comparison
PRF has a 0.34% expense ratio, which is higher than IUSV's 0.04% expense ratio.
Dividends
PRF vs. IUSV - Dividend Comparison
PRF's dividend yield for the trailing twelve months is around 1.38%, less than IUSV's 1.68% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IUSV iShares Core S&P U.S. Value ETF | 1.68% | 1.78% | 2.15% | 1.75% | 2.22% | 1.87% | 2.40% | 2.19% | 2.67% | 1.93% | 4.44% | 7.63% |
PRF Invesco RAFI US 1000 ETF | 1.38% | 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
With a correlation of 0.95, PRF and IUSV move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
PRF has higher volatility (2.64%) compared to IUSV (2.14%). In terms of maximum drawdown, PRF dropped -60.35% vs IUSV's -56.88%.
On 10-year performance, PRF leads with 13.67% vs 12.04% for IUSV. On fees, IUSV is cheaper at 0.04% per year. On volatility, IUSV has been the lower-risk option at 2.14%. 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 13.67% return vs 12.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IUSV is cheaper with a 0.04% expense ratio, compared with 0.34% for PRF.
IUSV has the higher dividend yield at 1.68%, compared with 1.38% for PRF.
PRF tracks RAFI Fundamental Select US 1000 Index, while IUSV tracks S&P 900 Value Index. They also come from different issuers: Invesco and iShares. Their fees differ too: 0.34% for PRF and 0.04% for IUSV.
PRF currently has the higher Sharpe Ratio (3.10 vs 2.14), 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.
Find the right allocation for PRF and IUSV
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer