Which is cheaper, CPRO or IWM?

CPRO charges 0.69% a year and IWM charges 0.19%, so IWM is cheaper. Fees come from each fund's prospectus.

Are CPRO and IWM the same kind of fund?

No. CPRO is a buffer ETF and IWM is an index ETF, so they are built for different jobs. The table compares what both publish: return, cost and what each actually holds.

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

CPRO vs IWM: how they differ

CPRO and IWM are measured over different days, and IWM charges 0.19% against 0.69%.

Calamos Russell 2000 ® Structured Alt Protection ETF - October and iShares Russell 2000 ETF.

CPRO and IWM on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	CPRO Calamos Russell 2000 ® Structured Alt Protection ETF - October	IWM iShares Russell 2000 ETF
Where it sits	Buffer ETF	Core index fund
Issuer	Calamos	iShares
What it is	Defined outcome, 1% to 100% on IWM	Russell 2000
Total return, 1 year	not published	+21.2%
S&P 500 over the same days	not published	+17.5%
Gap to the S&P 500	not available	+3.7 pts
Expense ratio	0.69%	0.19%
Holdings	not filed	2014

CPRO in plain words

IWM had already risen past this fund's cap of +7.2% for the period on Sep 12, 2026, so in index terms there is no more upside to collect. The fund's price can fall 7.0% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, IWM can fall 16.6% from today's level to the point where the buffer begins. Protection left, in index points: 99.4% of the 99.4% buffer still sits below today's IWM level. 19 days remained on Sep 12, 2026. On Oct 1, 2026 the period ends and a new cap is set.

IWM in plain words

IWM is an index equity fund tracking the Russell 2000. Over the year to Sep 11, 2026 it returned +21.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.19% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 2014 positions, with the top ten at 3.4%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which is cheaper, CPRO or IWM?: CPRO charges 0.69% a year and IWM charges 0.19%, so IWM is cheaper. Fees come from each fund's prospectus.
Are CPRO and IWM the same kind of fund?: No. CPRO is a buffer ETF and IWM is an index ETF, so they are built for different jobs. The table compares what both publish: return, cost and what each actually holds.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

CPRO against IWM, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, CPRO against IWM, data as of Sep 12, 2026. https://etfiq.com/compare/any/CPRO-IWM Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources