Calamos S&P 500 Structured Alt Protection ETF – OctoberCPSO

CalamosUS Stock StylesLarge Cap#529 of 701 by YTD

$28.23

−0.9% last session

+4.3% YTD

Data as of 11/5/20264:00 PM ET · End-of-day

Dividend-adjusted total return · S&P 500 uses VOO · Nov 4, 2025 – Nov 5, 2026CPSOS&P 500 · VOO

Returns	1D	1M	3M	YTD	1Y	3Y	5Y	MAX
Total return	−0.9%	−1.0%	+0.4%	+4.3%	+5.1%	—	—	+11.7%
Peer average	−3.6%	−4.1%	−4.5%	+8.4%	+10.3%	+69.3%	+53.8%	—
S&P 500 · VOO	−4.4%	−5.7%	−4.9%	+8.4%	+9.8%	+82.2%	+71.6%	—

Key Statistics

Open all fund facts →

AUM: $33M
Expense ratio: 0.69%
Distribution yield: 0.0%
NAV: $28.38
Volume: 7K
Avg. volume 30D: 11K
High today: $28.41
Low today: $28.22
Previous close: $28.50
52-week high: $28.58
52-week low: $26.73
Our risk indicator: 4/5

CPSO in One Breath

CPSO Among Large Cap ETFs

YTD

#1NRGUREX Microsectors+171.5%$77.3M

#2MAKXProShares+33.0%$4.9M

#3FLOWGlobal X+31.0%$36.7M

#4SMRIBushido+30.9%$701M

#5RSSYReturn Stacked+29.1%$101M

#6LSAFLeader Shares+27.2%$136M

#7FITESPDR+25.5%$150M

#8LYLDCambria Funds+24.8%$20.0M

#197CPSOCalamos+4.3%$33.3M

End-of-day Nov 6, 2026 · 263 Large cap ETFs by YTD

$10,000 in CPSO

$10,000 in CPSO became

$11,167

In the S&P 500 (VOO)

$13,207

Total return, dividends in · Oct 1, 2024 – Nov 5, 2026 · S&P 500 uses VOO

CPSO Returns by Period

Today

YTD

MAX

CPSO

−0.9%

−1.0%

+0.4%

+4.3%

+5.1%

—

+11.7%

Peer average

−3.6%

−4.1%

−4.5%

+8.4%

+10.3%

+69.3%

+53.8%

—

S&P 500 · VOO

−4.4%

−5.7%

−4.9%

+8.4%

+9.8%

+82.2%

+71.6%

—

End-of-day Nov 6, 2026 · total return, dividends in · peers = 306 Large cap ETFs

CPSO’s US Stock Styles Rank

YTD

#529of 701
us stock styles ETFs

Best · NRGU+171.5%

Average+9.4%

CPSO+4.3%

Worst · AMGR−98.9%

US Stock Styles ETFs by YTD return · Nov 6, 2026

CPSO Price and 52-Week Range

From the 52-week high

−1.2%

From the 52-week low

+5.6%

Today $28.22 – $28.41

Previous close $28.50

$28.23 now

52-week low$26.7352-week high$28.58

End-of-day Nov 6, 2026 · box = today’s range, dashed = previous close

CPSO’s Share of Large Cap ETFs

Today

0.0%

of the $841B in 307 Large cap ETFs

CPSO$33.3M0.0%

DFAC$85.7B10.2%

IWB$46.4B5.5%

304 others$709B84.3%

Large cap ETF AUM · Nov 6, 2026

CPSO Fee per $100 vs Peers

Today

$0.69a year
per $100

$69 a year on $10,000

SCHB$0.03

IWB$0.15

DIA$0.16

DCOR$0.17

DFAC$0.21

CPSO$0.69

Expense ratio · Large cap peers · Nov 6, 2026

Inside CPSO

5 holdings

CPSO

Calamos S&P 500 Structured Alt Protection ETF – October

Today

CPSO reports no holdings we can show: […]

Calamos CPSO · holdings

How It Compares

CPSO

Calamos S&P 500 Structured Alt Protection ETF – October’s Peers

YTD


DFAC	DimensionalRead Desk	0.21%	+11.2%	+14.3%	$85.7B
IWB	iSharesRead Desk	0.15%	+8.1%	+9.6%	$46.4B
DIA	SPDRRead Desk	0.16%	+8.2%	+10.8%	$45.9B
DCOR	DimensionalRead Desk	0.17%	+11.3%	+13.9%	$43.9B
SCHB	SchwabRead Desk	0.03%	+8.4%	+9.8%	$42.9B
CPSO	CalamosThis fundRead Desk	0.69%	+4.3%	+5.1%	$33M

Large cap peers · YTD and past-year returns · as of Nov 6, 2026 · sorted by AUM

Head to Head

Put CPSO head to head with DFAC →

DFAC vs CPSO

YTD

DFACDimensional · Large capCPSOCalamos · Large cap

Year to date

+11.2%

+4.3%

DFAC wins+6.9 pts

Past year

+14.3%

+5.1%

DFAC wins+9.2 pts

Fee

0.21%

0.69%

DFAC winslower fee

Yield

0.9%

0.0%

DFAC wins+0.9 pts

AUM

$85.7B

$33.3M

DFAC2572.6× more

4–0DFAC wins

Dimensional DFAC and Calamos CPSO · year-to-date · as of Nov 6, 2026 · AUM not scored

CPSO vs VOO

YTD

CPSO · Calamos S&P 500 Structured Alt Protection ETF – October

+4.3%

VOO · S&P 500

+8.4%

Gap

4.1 pts

Calamos CPSO and Vanguard VOO · YTD total return · as of Nov 6, 2026

CPSO vs Its Peer Average

YTD

CPSOAvsBPeer average

1D−0.9%−3.6%

1M−1.0%−4.1%

3M+0.4%−4.5%

YTD+4.3%+8.4%

1Y+5.1%+10.3%

3Y[…]+69.3%

5Y[…]+53.8%

3–2CPSO wins

306 Large cap peers · each row scaled to its leader

The Details

CPSO

Risk

4/5our risk indicator

CalmerBumpier

Volatility · 1Y2.44%

Deepest drop · 1Y−1.5%

Lowest point · 5Y−1.2%

52-week range

$28.23

$26.73−1.2% from the high$28.58

Calamos CPSO · past-year price moves · as of Nov 6, 2026

CPSO

Fund Facts

Today

2024launched Oct 1

Tracks[…]

Exchange · CUSIPAMEX · 12811T829

StructureETF

Leverage1x

Cost on $10,000$69 a year

Go deeper

Prospectus & documents Trading & liquidity Fees & costs Distributions

Calamos CPSO · fund facts · as of Nov 6, 2026

CPSO

Payouts by Year

Today

$0no payouts on record

CPSO does not pay a distribution.

Distribution yield0.0%

Paid[…]

Latest ex-date · paid[…]

12 payouts added up[…]

Calamos CPSO · distributions by ex-date

All Fund FactsDocuments · trading · fees · every payout

Prospectus & Documents

Official documents are being connected from SEC EDGAR: […]. Read the issuer’s prospectus before investing.

Trading & Liquidity

Net asset value$28.38

Premium / discount[…]

Median spread · 30D[…]

Volume today7K

Average volume · 30D11K

Shares outstanding[…]

Options[…]

Fees & Costs

Net expense ratio0.69%

Gross expense ratio[…]

Management fee[…]

Cost on $10,000 a year$69.00

Our risk indicator4/5

Estimated yearly cost excludes trading costs and assumes constant assets.

Distributions

No payouts on record: […]

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