Data as of Oct 28, 2026.
PKW vs RSP: Differences, Returns & Fees
Over the year to Oct 28, 2026, PKW returned +12.3% to RSP's +16.0%; 10% of their weight is in the same names.
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Net assets on Oct 27, 2026: $1.7bn for Invesco BuyBack Achievers ETF and $99.8bn for Invesco S&P 500 Equal Weight ETF.
Pair scorecard
RSP costs 0.43 points a year less; their one-year returns differ by 3.7 points; RSP is far larger, $99.8bn against $1.7bn.
| Measure | PKW | RSP |
|---|---|---|
| Return | ||
| Total return, 1 year | +12.3% | +16.0% |
| Drawdown | ||
| Below its high | 3.2%, high on Sep 3, 2026 | |
| Benchmark | ||
| What it tracks | Nasdaq US BuyBack Achievers Index | S&P 500 Equal Weight Index |
| Cost and size | ||
| Expense ratio | 0.63% | 0.20% |
| Net assets, as of Oct 27, 2026 | $1.7bn | $99.8bn |
| Holdings | ||
| Holdings in common | 10% | |
| Top ten holdings, share of the fund | 39.9% | 2.7% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Dec 29, 2006 to Oct 23, 2026 · 1,034 weekly returns · each against IVVPKW returned more: +643.4% to +530.3%. PKW swung slightly less: 19.2% to 19.8%. PKW fell slightly less at its worst: −53.8% to −59.6%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | PKW | RSP | IVV | Edge | How it is measured |
|---|---|---|---|---|---|
| Return | |||||
| Total return | +643.4% | +530.3% | PKW | Price change plus distributions, reinvested. | |
| Annualized | +10.6% | +9.7% | PKW (slight) | Total return as a yearly rate. | |
| Price return | +501.7% | +357.4% | PKW | Price change alone, distributions left out. | |
| Risk | |||||
| Volatility | 19.2% | 19.8% | PKW (slight) | Spread of weekly returns, annualized. Lower is steadier. | |
| Downside deviation | 13.6% | 14.0% | PKW (slight) | Like volatility, counting only weeks below the Treasury bill rate. | |
| Max drawdown | −53.8% | −59.6% | PKW (slight) | Deepest fall from a high to the low after it. | |
| Upside capture | 97.0% | 101.6% | 100.0% | RSP (slight) | Share of its benchmark's rise caught in the weeks it rose. |
| Downside capture | 98.8% | 102.3% | 100.0% | PKW (slight) | Share of its benchmark's fall taken in the weeks it fell. Lower is better. |
| Beta | 1.00 | 1.07 | 1.00 | PKW lower | How far it moves for each 1% its benchmark moves. |
| R squared | 0.86 | 0.92 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | |||||
| Sharpe | 0.54 | 0.49 | PKW (slight) | Return above Treasury bills per unit of volatility. | |
| Sortino | 0.76 | 0.69 | PKW (slight) | Return above Treasury bills per unit of downside deviation. | |
| Treynor | 0.104 | 0.090 | 0.103 | PKW | Return above Treasury bills per unit of beta. |
| Calmar | 0.20 | 0.16 | PKW | Annualized return divided by the max drawdown. | |
| Against the benchmark | |||||
| Benchmark | IVV | IVV | IVV | The ETF each fund is measured against. | |
| Alpha | +0.1% a year | −1.3% a year | 0.0% | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 0.04 | −1.07 | Not an edge | How sure the alpha is. Below 2, it could be chance. | |
| Alpha range | −3.1% to +3.2% | −3.8% to +1.1% | Both include zero | The 95% range for the yearly alpha. | |
| Information ratio | 0.01 | −0.12 | PKW | Return against its benchmark per unit of tracking error. | |
| Tracking error | 7.1% | 5.7% | 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, 1,034 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, PKW and RSP hold 10% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
10% in common
Only in one fund ↓
Side by side
PKW and RSP on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
PKW and RSP are built for the same job. How do they differ in cost, holdings and results?
- What each follows. PKW follows Nasdaq US BuyBack Achievers Index and RSP follows S&P 500 Equal Weight Index.
- Holdings in common. 10% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 PKW returned +12.3% and RSP +16.0% with distributions reinvested, a gap of 3.7 points.
Data as of Oct 28, 2026.
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PKW
PKW tracks an index. Over the year to Oct 28, 2026 it returned +12.3% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.63% a year. By its holdings published by its issuer for Oct 27, 2026, 69% of the fund by weight is stocks the S&P 500 also holds, across 287 positions, with the top ten at 39.9%. It sat 3.2% below its high of Sep 3, 2026 on Oct 28, 2026.
RSP
RSP tracks the S&P 500 equal weight. Over the year to Oct 28, 2026 it returned +16.0% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 508 positions, with the top ten at 2.7%.
Questions people ask
- Which returned more over the last year, PKW or RSP?
- In the year to Oct 28, 2026, with distributions reinvested, PKW returned +12.3% and RSP +16.0%.
- Which is cheaper, PKW or RSP?
- RSP is cheaper, by 0.43 percentage points a year. That is about $43 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, PKW against RSP, data as of Oct 28, 2026. https://etfiq.com/compare/any/pkw-vs-rsp
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[PKW against RSP (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/pkw-vs-rsp)
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