Calamos S&P 500 Structured Alt Protection ETF - SeptemberCPST

CalamosUS Stock StylesLarge Cap#605 of 701 by YTD

$28.24

+0.4% last session

+4.5% YTD

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

Dividend-adjusted total return · S&P 500 uses VOO · Nov 3, 2025 – Nov 4, 2026CPSTS&P 500 · VOO

Returns	1D	1M	3M	YTD	1Y	3Y	5Y	MAX
Total return	+0.4%	0.0%	+0.8%	+4.5%	+5.2%	—	—	+14.1%
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: $41M
Expense ratio: 0.69%
Distribution yield: 0.0%
NAV: $28.22
Volume: 3
Avg. volume 30D: 7K
High today: $28.28
Low today: $28.20
Previous close: $28.13
52-week high: $28.30
52-week low: $26.68
Our risk indicator: 4/5

CPST in One Breath

CPST 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

#226CPSTCalamos+4.5%$40.9M

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

$10,000 in CPST

$10,000 in CPST became

$11,410

In the S&P 500 (VOO)

$14,268

Total return, dividends in · Sep 3, 2024 – Nov 4, 2026 · S&P 500 uses VOO

CPST Returns by Period

Today

YTD

MAX

CPST

+0.4%

0.0%

+0.8%

+4.5%

+5.2%

—

+14.1%

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

CPST’s US Stock Styles Rank

YTD

#605of 701
us stock styles ETFs

Best · NRGU+191.2%

Average+13.5%

CPST+4.5%

Worst · AMGR−98.9%

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

CPST Price and 52-Week Range

From the 52-week high

−0.2%

From the 52-week low

+5.8%

Today $28.20 – $28.28

Previous close $28.13

$28.24 now

52-week low$26.6852-week high$28.30

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

CPST’s Share of Large Cap ETFs

Today

0.0%

of the $850B in 307 Large cap ETFs

CPST$40.9M0.0%

DFAC$87.6B10.3%

IWB$47.8B5.6%

304 others$715B84.1%

Large cap ETF AUM · Nov 5, 2026

CPST 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

CPST$0.69

Expense ratio · Large cap peers · Nov 5, 2026

Inside CPST

5 holdings

CPST

Calamos S&P 500 Structured Alt Protection ETF - September

Today

CPST reports no holdings we can show: […]

Calamos CPST · holdings

How It Compares

CPST

Calamos S&P 500 Structured Alt Protection ETF - September’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
CPST	CalamosThis fundRead Desk	0.69%	+4.5%	+5.2%	$41M

Large cap peers · YTD and past-year returns · as of Nov 5, 2026 · sorted by AUM

Head to Head

Put CPST head to head with DFAC →

DFAC vs CPST

YTD

DFACDimensional · Large capCPSTCalamos · Large cap

Year to date

+15.8%

+4.5%

DFAC wins+11.3 pts

Past year

+17.7%

+5.2%

DFAC wins+12.5 pts

Fee

0.21%

0.69%

DFAC winslower fee

Yield

0.9%

0.0%

DFAC wins+0.9 pts

AUM

$87.6B

$40.9M

DFAC2141.2× more

4–0DFAC wins

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

CPST vs VOO

YTD

CPST · Calamos S&P 500 Structured Alt Protection ETF - September

+4.5%

VOO · S&P 500

+13.4%

Gap

8.8 pts

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

CPST vs Its Peer Average

YTD

CPSTAvsBPeer average

1D+0.4%+1.1%

1M0.0%−1.2%

3M+0.8%−0.5%

YTD+4.5%+12.3%

1Y+5.2%+13.1%

3Y[…]+76.8%

5Y[…]+60.9%

2–3Peer average wins

306 Large cap peers · each row scaled to its leader

The Details

CPST

Risk

4/5our risk indicator

CalmerBumpier

Volatility · 1Y2.19%

Deepest drop · 1Y−1.4%

Lowest point · 5Y−0.3%

52-week range

$28.24

$26.68−0.2% from the high$28.30

Calamos CPST · past-year price moves · as of Nov 5, 2026

CPST

Fund Facts

Today

2024launched Sep 3

Tracks[…]

Exchange · CUSIPAMEX · 12811T886

StructureETF

Leverage1x

Cost on $10,000$69 a year

Go deeper

Prospectus & documents Trading & liquidity Fees & costs Distributions

Calamos CPST · fund facts · as of Nov 5, 2026

CPST

Payouts by Year

Today

$0no payouts on record

CPST does not pay a distribution.

Distribution yield0.0%

Paid[…]

Latest ex-date · paid[…]

12 payouts added up[…]

Calamos CPST · distributions by ex-date

All Fund FactsDocuments · trading · fees · every payout

Trading & Liquidity

Net asset value$28.22

Premium / discount[…]

Median spread · 30D[…]

Volume today3

Average volume · 30D7K

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: […]

Issuer contentFrom CalamosHear the strategy from the people behind CPST.No issuer videos have been published for this fund.Are you the issuer? Claim this fund →

Calamos S&P 500 Structured Alt Protection ETF - SeptemberCPST

Key Statistics

CPST in One Breath

Inside CPST

How It Compares

Head to Head

The Details

Prospectus & Documents

Trading & Liquidity

Fees & Costs

Distributions