Data as of Oct 28, 2026.
IUS vs PRF: Differences, Returns & Fees
Over the year to Oct 28, 2026, IUS returned +25.9% to PRF's +24.1%; 75% of their weight is in the same names.
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Net assets on Oct 27, 2026: $1.0bn for Invesco RAFI Strategic US ETF and $10.1bn for Invesco RAFI US 1000 ETF.
Pair scorecard
IUS costs 0.15 points a year less; their one-year returns differ by 1.8 points; PRF is 10.1 times larger.
| Measure | IUS | PRF |
|---|---|---|
| Return | ||
| Total return, 1 year | +25.9% | +24.1% |
| Benchmark | ||
| What it tracks | Invesco Strategic US Index | RAFI Fundamental Select US 1000 Index |
| Cost and size | ||
| Expense ratio | 0.19% | 0.34% |
| Net assets, as of Oct 27, 2026 | $1.0bn | $10.1bn |
| Holdings | ||
| Holdings in common | 75% | |
| Top ten holdings, share of the fund | 27.2% | 23.3% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Sep 21, 2018 to Oct 23, 2026 · 422 weekly returns · each against IWVIUS returned more: +219.5% to +172.7%. IUS swung slightly less: 17.4% to 18.5%. IUS fell slightly less at its worst: −32.8% to −35.6%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | IUS | PRF | IWV | Edge | How it is measured |
|---|---|---|---|---|---|
| Return | |||||
| Total return | +219.5% | +172.7% | IUS | Price change plus distributions, reinvested. | |
| Annualized | +15.4% | +13.2% | IUS | Total return as a yearly rate. | |
| Price return | +177.1% | +132.0% | IUS | Price change alone, distributions left out. | |
| Risk | |||||
| Volatility | 17.4% | 18.5% | IUS (slight) | Spread of weekly returns, annualized. Lower is steadier. | |
| Downside deviation | 12.2% | 13.2% | IUS (slight) | Like volatility, counting only weeks below the Treasury bill rate. | |
| Max drawdown | −32.8% | −35.6% | IUS (slight) | Deepest fall from a high to the low after it. | |
| Upside capture | 79.9% | 82.9% | 100.0% | PRF (slight) | Share of its benchmark's rise caught in the weeks it rose. |
| Downside capture | 85.5% | 90.8% | 100.0% | IUS (slight) | Share of its benchmark's fall taken in the weeks it fell. Lower is better. |
| Beta | 0.86 | 0.93 | 1.00 | IUS lower | How far it moves for each 1% its benchmark moves. |
| R squared | 0.85 | 0.89 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | |||||
| Sharpe | 0.75 | 0.61 | IUS | Return above Treasury bills per unit of volatility. | |
| Sortino | 1.07 | 0.86 | IUS | Return above Treasury bills per unit of downside deviation. | |
| Treynor | 0.152 | 0.121 | 0.115 | IUS | Return above Treasury bills per unit of beta. |
| Calmar | 0.47 | 0.37 | IUS | Annualized return divided by the max drawdown. | |
| Against the benchmark | |||||
| Benchmark | IWV | IWV | IWV | The ETF each fund is measured against. | |
| Alpha | +3.2% a year | +0.6% a year | 0.0% | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 1.33 | 0.25 | Not an edge | How sure the alpha is. Below 2, it could be chance. | |
| Alpha range | −1.5% to +7.9% | −3.8% to +4.9% | Both include zero | The 95% range for the yearly alpha. | |
| Information ratio | 0.21 | −0.04 | IUS | Return against its benchmark per unit of tracking error. | |
| Tracking error | 7.3% | 6.4% | 0.0% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 422 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IUS and PRF hold 75% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
75% in common
Only in one fund ↓
Side by side
IUS and PRF on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IUS and PRF are built for the same job. How do they differ in cost, holdings and results?
- What each follows. IUS follows Invesco Strategic US Index and PRF follows RAFI Fundamental Select US 1000 Index.
- Cost. IUS charges 0.19% of assets a year and PRF 0.34%, a gap of 0.15 points.
- Size. IUS has $1.0bn in net assets and PRF $10.1bn (net assets, as of Oct 27, 2026); PRF is 10.1 times larger.
Data as of Oct 28, 2026.
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Over the year to Oct 28, 2026 it returned +25.9% with distributions reinvested, against +13.3% for its benchmark, the Russell 3000 Index.
IUS tracks an index. The prospectus expense ratio is 0.19% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 536 positions, with the top ten at 27.2%.
Over the year to Oct 28, 2026 it returned +24.1% with distributions reinvested, against +13.3% for its benchmark, the Russell 3000 Index.
PRF tracks an index. The prospectus expense ratio is 0.34% a year. By its holdings published by its issuer for Oct 27, 2026, 87% of the fund by weight is stocks the S&P 500 also holds, across 998 positions, with the top ten at 23.3%.
Questions people ask
- Which returned more over the last year, IUS or PRF?
- In the year to Oct 28, 2026, with distributions reinvested, IUS returned +25.9% and PRF +24.1%.
- Which is cheaper, IUS or PRF?
- IUS is cheaper, by 0.15 percentage points a year. That is about $15 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IUS against PRF, data as of Oct 28, 2026. https://etfiq.com/compare/any/ius-vs-prf
ETFIQ. (Oct 28, 2026). IUS against PRF. Retrieved from https://etfiq.com/compare/any/ius-vs-prf
[IUS against PRF (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/ius-vs-prf)
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