Data as of Oct 28, 2026.
CPRA vs IWM: Differences, Returns & Fees
Over the year to Oct 28, 2026, CPRA returned +6.5% to IWM's +14.1%, and IWM charges 0.19% to CPRA's 0.69%.
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Net assets: $13m on Oct 28, 2026 for Calamos Russell 2000 Structured Alt Protection ETF - April, and $75.5bn on Oct 27, 2026 for iShares Russell 2000 ETF.
Pair scorecard
IWM costs 0.50 points a year less; their one-year returns differ by 7.6 points; IWM is far larger, $75.5bn against $13m.
| Measure | CPRA | IWM |
|---|---|---|
| Return | ||
| Total return, 1 year | +6.5% | +14.1% |
| Drawdown | ||
| Below its high | 7.6%, high on Aug 14, 2026 | |
| Index fall to the buffer | 11.3% | |
| Fund price fall to the buffer | 4.2% | |
| Benchmark | ||
| What it tracks | IWM | Russell 2000 Index |
| The outcome period | ||
| Buffer left, in index points | 100.0% of 100.0% | |
| Days left in the period | 154 | |
| Period ends | Mar 31, 2027 | |
| Cost and size | ||
| Expense ratio | 0.69% | 0.19% |
| Net assets, as of Oct 27, 2026 | $13m | $75.5bn |
| Holdings | ||
| Holdings in common | not published | |
| In the S&P 500, by weight | 0% | |
| Top ten holdings, share of the fund | 3.3% | |
Side by side
CPRA and IWM on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IWM had already risen past this fund's cap of +7.9% for the period on Oct 28, 2026, so in index terms there is no more upside to collect.
The fund's price can fall 4.2% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, IWM can fall 11.3% from today's level to the point where the buffer begins. Protection left, in index points: 100.0% of the 100.0% buffer still sits below today's IWM level. 154 days remained on Oct 28, 2026. On Mar 31, 2027 the period ends and a new cap is set.
IWM
IWM tracks the Russell 2000. Over the year to Oct 28, 2026 it returned +14.1% with distributions reinvested, against +14.3% for its benchmark, the Russell 2000 Index. The prospectus expense ratio is 0.19% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,977 positions, with the top ten at 3.3%. It sat 7.6% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Are CPRA and IWM in the same category?
- CPRA is a buffer ETF and IWM is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which returned more over the last year, CPRA or IWM?
- In the year to Oct 28, 2026, with distributions reinvested, CPRA returned +6.5% and IWM +14.1%.
- Which is cheaper, CPRA or IWM?
- IWM is cheaper, by 0.50 percentage points a year. That is about $50 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.
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ETFIQ, CPRA against IWM, data as of Oct 28, 2026. https://etfiq.com/compare/any/cpra-vs-iwm
ETFIQ. (Oct 28, 2026). CPRA against IWM. Retrieved from https://etfiq.com/compare/any/cpra-vs-iwm
[CPRA against IWM (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/cpra-vs-iwm)
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