Calamos S&P 500 Structured Alt Protection ETF – OctoberCPSO

CalamosUS Stock StylesLarge Cap#583 of 701 by YTD

$28.51

+0.3% last session

+5.4% YTD

Data as of 11/4/20264:00 PM ET · End-of-day

Dividend-adjusted return from the previous close · S&P 500 uses VOOCPSOS&P 500 · VOO

Returns	1D	1M	3M	YTD	1Y	3Y	5Y	MAX
Total return	+0.3%	−0.1%	+1.5%	+5.4%	+5.9%	—	—	+12.8%
Peer average	+1.1%	−1.2%	−0.5%	+12.3%	+13.1%	+76.8%	+60.9%	—
S&P 500 · VOO	+1.6%	−1.6%	0.0%	+13.4%	+13.5%	+91.7%	+81.2%	—

Key Statistics

Open all fund facts →

AUM: $34M
Expense ratio: 0.69%
Distribution yield: 0.0%
NAV: $28.50
Volume: 4K
Avg. volume 30D: 10K
High today: $28.55
Low today: $28.47
Previous close: $28.43
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+191.2%$96.0M

#2RSSYReturn Stacked+33.6%$101M

#3SMRIBushido+33.5%$703M

#4MAKXProShares+33.0%$4.9M

#5FLOWGlobal X+31.0%$36.5M

#6CSDInvesco+30.0%$209M

#7LSAFLeader Shares+29.9%$133M

#8EKGFirst Trust+29.2%$9.4M

#215CPSOCalamos+5.4%$33.5M

End-of-day Nov 5, 2026 · 263 Large cap ETFs by YTD

$10,000 in CPSO

$10,000 in CPSO became

$11,278

In the S&P 500 (VOO)

$13,811

Total return, dividends in · Oct 1, 2024 – Nov 4, 2026 · S&P 500 uses VOO

CPSO Returns by Period

Today

YTD

MAX

CPSO

+0.3%

−0.1%

+1.5%

+5.4%

+5.9%

—

+12.8%

Peer average

+1.1%

−1.2%

−0.5%

+12.3%

+13.1%

+76.8%

+60.9%

—

S&P 500 · VOO

+1.6%

−1.6%

0.0%

+13.4%

+13.5%

+91.7%

+81.2%

—

End-of-day Nov 5, 2026 · total return, dividends in · peers = 306 Large cap ETFs

CPSO’s US Stock Styles Rank

YTD

#583of 701
us stock styles ETFs

Best · NRGU+191.2%

Average+13.5%

CPSO+5.4%

Worst · AMGR−98.9%

US Stock Styles ETFs by YTD return · Nov 5, 2026

CPSO Price and 52-Week Range

From the 52-week high

−0.3%

From the 52-week low

+6.6%

Today $28.47 – $28.55

Previous close $28.43

$28.51 now

52-week low$26.7352-week high$28.58

End-of-day Nov 5, 2026 · box = today’s range, dashed = previous close

CPSO’s Share of Large Cap ETFs

Today

0.0%

of the $850B in 307 Large cap ETFs

CPSO$33.5M0.0%

DFAC$87.6B10.3%

IWB$47.8B5.6%

304 others$715B84.1%

Large cap ETF AUM · Nov 5, 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 5, 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%	+15.8%	+17.7%	$87.6B
IWB	iSharesRead Desk	0.15%	+13.0%	+13.2%	$47.8B
DIA	SPDRRead Desk	0.16%	+12.2%	+14.2%	$45.1B
DCOR	DimensionalRead Desk	0.17%	+15.9%	+17.4%	$45.0B
SCHB	SchwabRead Desk	0.03%	+13.3%	+13.3%	$44.0B
CPSO	CalamosThis fundRead Desk	0.69%	+5.4%	+5.9%	$34M

Large cap peers · YTD and past-year returns · as of Nov 5, 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

+15.8%

+5.4%

DFAC wins+10.4 pts

Past year

+17.7%

+5.9%

DFAC wins+11.8 pts

Fee

0.21%

0.69%

DFAC winslower fee

Yield

0.9%

0.0%

DFAC wins+0.9 pts

AUM

$87.6B

$33.5M

DFAC2614.2× more

4–0DFAC wins

Dimensional DFAC and Calamos CPSO · year-to-date · as of Nov 5, 2026 · AUM not scored

CPSO vs VOO

YTD

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

+5.4%

VOO · S&P 500

+13.4%

Gap

8.0 pts

Calamos CPSO and Vanguard VOO · YTD total return · as of Nov 5, 2026

CPSO vs Its Peer Average

YTD

CPSOAvsBPeer average

1D+0.3%+1.1%

1M−0.1%−1.2%

3M+1.5%−0.5%

YTD+5.4%+12.3%

1Y+5.9%+13.1%

3Y[…]+76.8%

5Y[…]+60.9%

2–3Peer average wins

306 Large cap peers · each row scaled to its leader

The Details

CPSO

Risk

4/5our risk indicator

CalmerBumpier

Volatility · 1Y2.25%

Deepest drop · 1Y−1.5%

Lowest point · 5Y−1.2%

52-week range

$28.51

$26.73−0.3% from the high$28.58

Calamos CPSO · past-year price moves · as of Nov 5, 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 5, 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$28.50

Premium / discount[…]

Median spread · 30D[…]

Volume today4K

Average volume · 30D10K

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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