PRFZ vs. SPY
PRFZ (Invesco FTSE RAFI US 1500 Small-Mid ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - PRFZ is a Small Cap Blend Equities fund tracking the FTSE RAFI US 1500 Small-Mid Index, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, PRFZ returned 12.16%/yr vs 15.53%/yr for SPY. Their correlation of 0.84 suggests significant overlap in exposure. PRFZ charges 0.39%/yr vs 0.09%/yr for SPY.
Performance
PRFZ vs. SPY - Performance Comparison
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Returns By Period
In the year-to-date period, PRFZ achieves a 16.06% return, which is significantly higher than SPY's 8.15% return. Over the past 10 years, PRFZ has underperformed SPY with an annualized return of 12.16%, while SPY has yielded a comparatively higher 15.53% annualized return.
PRFZ
- 1D
- -0.43%
- 1M
- 3.82%
- YTD
- 16.06%
- 6M
- 13.71%
- 1Y
- 34.11%
- 3Y*
- 18.53%
- 5Y*
- 8.31%
- 10Y*
- 12.16%
SPY
- 1D
- -1.45%
- 1M
- -1.36%
- YTD
- 8.15%
- 6M
- 7.20%
- 1Y
- 23.59%
- 3Y*
- 20.68%
- 5Y*
- 13.05%
- 10Y*
- 15.53%
PRFZ vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRFZ Invesco FTSE RAFI US 1500 Small-Mid ETF | 16.06% | 11.26% | 12.68% | 20.21% | -16.29% | 28.26% | 11.84% | 21.91% | -11.43% | 13.82% |
SPY State Street SPDR S&P 500 ETF | 8.15% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
Correlation
The correlation between PRFZ and SPY is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.78 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.77 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.81 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.80 |
Correlation (All Time) Calculated using the full available price history since Sep 20, 2006 | 0.84 |
The correlation between PRFZ and SPY has been stable across timeframes, ranging from 0.77 to 0.84 - a consistent structural relationship.
PRFZ vs. SPY - Sectors Allocation Comparison
Sectors
PRFZ
SPY
Technology
Healthcare
Industrials
Financial Services
Consumer Cyclical
Real Estate
Energy
Basic Materials
Communication Services
Consumer Defensive
Utilities
Technology
PRFZ
SPY
Healthcare
PRFZ
SPY
Industrials
PRFZ
SPY
Financial Services
PRFZ
SPY
Consumer Cyclical
PRFZ
SPY
Real Estate
PRFZ
SPY
Energy
PRFZ
SPY
Basic Materials
PRFZ
SPY
Communication Services
PRFZ
SPY
Consumer Defensive
PRFZ
SPY
Utilities
PRFZ
SPY
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Return for Risk
PRFZ vs. SPY — Risk / Return Rank
PRFZ
SPY
PRFZ vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco FTSE RAFI US 1500 Small-Mid ETF (PRFZ) and State Street SPDR S&P 500 ETF (SPY). 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.
| PRFZ | SPY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.02 | ||
| Sortino ratioReturn per unit of downside risk | +0.09 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.34 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 3.30 | 2.67 | +0.63 |
| Martin ratioReturn relative to average drawdown | 11.37 | 11.92 | -0.55 |
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Drawdowns
PRFZ vs. SPY - Drawdown Comparison
The maximum PRFZ drawdown since its inception was -62.41%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for PRFZ and SPY.
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Drawdown Indicators
| PRFZ | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.41% | -55.19% | -7.22% |
Max Drawdown (1Y)Largest decline over 1 year | -10.38% | -8.88% | -1.50% |
Max Drawdown (3Y)Largest decline over 3 years | -26.54% | -18.76% | -7.78% |
Max Drawdown (5Y)Largest decline over 5 years | -26.58% | -24.50% | -2.08% |
Max Drawdown (10Y)Largest decline over 10 years | -44.28% | -33.72% | -10.56% |
Current DrawdownCurrent decline from peak | -0.43% | -3.17% | +2.74% |
Average DrawdownAverage peak-to-trough decline | -9.40% | -9.04% | -0.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.01% | 1.98% | +1.03% |
Volatility
PRFZ vs. SPY - Volatility Comparison
Invesco FTSE RAFI US 1500 Small-Mid ETF (PRFZ) has a higher volatility of 5.54% compared to State Street SPDR S&P 500 ETF (SPY) at 4.87%. This indicates that PRFZ's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRFZ | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.54% | 4.87% | +0.67% |
Volatility (6M)Calculated over the trailing 6-month period | 12.96% | 9.85% | +3.11% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.30% | 12.50% | +5.80% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.35% | 17.15% | +4.20% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.44% | 17.95% | +4.49% |
PRFZ vs. SPY - Expense Ratio Comparison
PRFZ has a 0.39% expense ratio, which is higher than SPY's 0.09% expense ratio.
Dividends
PRFZ vs. SPY - Dividend Comparison
PRFZ's dividend yield for the trailing twelve months is around 0.81%, less than SPY's 1.03% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRFZ Invesco FTSE RAFI US 1500 Small-Mid ETF | 0.81% | 0.82% | 1.45% | 1.42% | 1.33% | 0.93% | 0.91% | 1.29% | 1.37% | 0.97% | 1.31% | 1.39% |
SPY State Street SPDR S&P 500 ETF | 1.03% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
Frequently Asked Questions
PRFZ and SPY have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PRFZ has higher volatility (5.54%) compared to SPY (4.87%). In terms of maximum drawdown, PRFZ dropped -62.41% vs SPY's -55.19%.
On 10-year performance, SPY leads with 15.53% vs 12.16% for PRFZ. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 4.87%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SPY has performed better with a 15.53% return vs 12.16%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPY is cheaper with a 0.09% expense ratio, compared with 0.39% for PRFZ.
SPY has the higher dividend yield at 1.03%, compared with 0.81% for PRFZ.
PRFZ is categorized as Small Cap Blend Equities, while SPY is S&P 500. PRFZ tracks FTSE RAFI US 1500 Small-Mid Index, while SPY tracks S&P 500 Index. They also come from different issuers: Invesco and State Street. Their fees differ too: 0.39% for PRFZ and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (1.90 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.
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