Data as of Oct 28, 2026.

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CPSM vs IVV: Differences, Returns & Fees

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Over the year to Oct 28, 2026, CPSM returned +4.6% to IVV's +13.7%, and IVV charges 0.03% to CPSM's 0.69%.

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Net assets: $59m on Oct 28, 2026 for Calamos S&P 500 Structured Alt Protection ETF - May, and $885.1bn on Oct 27, 2026 for iShares Core S&P 500 ETF.

At a glance
+4.6%
CPSM total return, 1 year
+13.7%
IVV total return, 1 year
0.69%
CPSM expense ratio
0.03%
IVV expense ratio

Pair scorecard

IVV costs 0.66 points a year less; their one-year returns differ by 9.1 points; IVV is far larger, $885.1bn against $59m.

CPSM vs IVV: Differences, Returns & Fees
MeasureCPSMIVV
Return
Total return, 1 year+4.6%+13.7%
Drawdown
Index fall to the buffer6.7%
Fund price fall to the buffer2.5%
Benchmark
What it tracksSPYS&P 500
The outcome period
Buffer left, in index points100.0% of 100.0%
Days left in the period184
Period endsApr 30, 2027
Cost and size
Expense ratio0.69%0.03%
Net assets, as of Oct 27, 2026$59m$885.1bn
Holdings
Holdings in commonnot published
Top ten holdings, share of the fund38.1%

Method

Side by side

CPSM Calamos S&P 500 Structured Alt Protection ETF - May IVV iShares Core S&P 500 ETF
Where it sits Buffer ETF Stock ETF
What it is Defined outcome, 100% on SPY Tracks the S&P 500
Total return, 1 year +4.6% +13.7%
Its benchmark over the same days +12.4% (SPY) +13.6% (SPY)
Gap to its benchmark −7.8 pts vs SPY +0.1 pts vs SPY
Expense ratio 0.69% 0.03%
Holdings not read by ETFIQ 505
Net assets, CPSM as of Oct 28, 2026 and IVV as of Oct 27, 2026 $59m $885.1bn

CPSM and IVV on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
CPSM

SPY had already risen past this fund's cap of +6.7% for the period on Oct 28, 2026, so in index terms there is no more upside to collect.

The fund's price can fall 2.5% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 6.7% 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 SPY level. 184 days remained on Oct 28, 2026. On Apr 30, 2027 the period ends and a new cap is set.

IVV

IVV tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.6% for its benchmark, the S&P 500. The prospectus expense ratio is 0.03% 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 505 positions, with the top ten at 38.1%.

Questions people ask

Are CPSM and IVV in the same category?
CPSM is a buffer ETF and IVV 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, CPSM or IVV?
In the year to Oct 28, 2026, with distributions reinvested, CPSM returned +4.6% and IVV +13.7%.
Which is cheaper, CPSM or IVV?
IVV is cheaper, by 0.66 percentage points a year. That is about $66 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, CPSM against IVV, data as of Oct 28, 2026. https://etfiq.com/compare/any/cpsm-vs-ivv

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