Data as of Oct 28, 2026.
ACWI vs RSP: Differences, Returns & Fees
Over the year to Oct 28, 2026, ACWI returned +13.4% to RSP's +16.0%; 33% of their weight is in the same names.
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Net assets: $33.0bn on Oct 28, 2026 for iShares MSCI ACWI ETF, and $99.8bn on Oct 27, 2026 for Invesco S&P 500 Equal Weight ETF.
Pair scorecard
RSP costs 0.12 points a year less; their one-year returns differ by 2.6 points; RSP is 3.1 times larger.
| Measure | ACWI | RSP |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.4% | +16.0% |
| Benchmark | ||
| What it tracks | MSCI ACWI | S&P 500 Equal Weight Index |
| Cost and size | ||
| Expense ratio | 0.32% | 0.20% |
| Net assets, as of Oct 26, 2026 | $32.6bn | $99.7bn |
| Holdings | ||
| Holdings in common | 33% | |
| Top ten holdings, share of the fund | 24.9% | 2.7% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Apr 4, 2008 to Oct 23, 2026 · 968 weekly returnsRSP returned more: +552.4% to +333.1%. ACWI swung slightly less: 18.5% to 20.0%. ACWI and RSP fell about the same at their worst: −55.3% and −55.4%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | ACWI | RSP | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +333.1% | +552.4% | RSP | Price change plus distributions, reinvested. |
| Annualized | +8.2% | +10.6% | RSP | Total return as a yearly rate. |
| Price return | +204.7% | +381.2% | RSP | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 18.5% | 20.0% | ACWI (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.2% | 14.0% | ACWI (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −55.3% | −55.4% | Tie | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.44 | 0.53 | RSP | Return above Treasury bills per unit of volatility. |
| Sortino | 0.62 | 0.76 | RSP | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.15 | 0.19 | RSP | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 968 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, ACWI and RSP hold 33% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
33% in common
Only in one fund ↓
Side by side
ACWI and RSP on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
ACWI and RSP do different jobs. What does each one do in a portfolio?
- What each follows. ACWI follows MSCI ACWI and RSP follows S&P 500 Equal Weight Index.
- Holdings in common. 33% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 ACWI returned +13.4% and RSP +16.0% with distributions reinvested, a gap of 2.6 points.
Data as of Oct 28, 2026.
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ACWI
ACWI tracks the MSCI ACWI. Over the year to Oct 28, 2026 it returned +13.4% with distributions reinvested. The prospectus expense ratio is 0.32% a year. By its holdings published by its issuer for Oct 27, 2026, 61% of the fund by weight is stocks the S&P 500 also holds, across 2,197 positions, with the top ten at 24.9%.
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, ACWI or RSP?
- In the year to Oct 28, 2026, with distributions reinvested, ACWI returned +13.4% and RSP +16.0%.
- Which is cheaper, ACWI or RSP?
- RSP is cheaper, by 0.12 percentage points a year. That is about $12 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, ACWI against RSP, data as of Oct 28, 2026. https://etfiq.com/compare/any/acwi-vs-rsp
ETFIQ. (Oct 28, 2026). ACWI against RSP. Retrieved from https://etfiq.com/compare/any/acwi-vs-rsp
[ACWI against RSP (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/acwi-vs-rsp)
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