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Launched · SEC filings

Calamos ETF Trust - Calamos Tax-Aware Collateral ETF

CBOXCboeC

$101.96−0.02 (−0.02%)

At close: Oct 13, 2026, 4:00 PM

C43/ 100

Rank 67 of 78 in Cash & Ultra-Short Income

C43/100Rank 67 of 78inCash & Ultra-Short Income
Intraday session: down, 12 prints from 101.98 to 101.96. Range 101.93 to 102.00. Use the arrow keys to read each point.101.94102.0010 AM12 PM2 PM4 PM
Expense ratio
0.19%
Fund size
$1.7B
1Y total return
—
Yield · Last 12 months
—
Holdings
2
Avg volume · 30D
0.1M sh
NAV per share
$101.93
52W range
low $100.01high $103.54
Launched
Filings
SEC EDGAR

The ETF.net CBOX Grade

Based on 5 of 6 pillars

C

Score 43 out of 100

Category
Cash & Ultra-Short Income⁠
Rank
67 of 78
Six-pillar profile for CBOX. Scores out of 100: Cost 42, Risk 53, Mission not scored, Tradability 52, Holdings 23, Durability 42. Strongest: Risk (53). Weakest: Holdings (23). Based on 5 of 6 pillars.

Score 43 of 100 falls in the C band. A is 70 or higher, B 55 to under 70, C 40 to under 55, D 25 to under 40, F under 25.

  • Cost

    The fund’s net expense ratio, ranked against its category.
    C42 out of 100
    Rank 39 of 78

  • Mission

    Whether the fund did what it promised, tested against its stated mandate.
    Not scored

  • Risk

    How the fund held up when markets fell: downside volatility, drawdowns and tail loss.
    C53 out of 100
    Rank 29 of 75

  • Tradability

    How easy the fund is to trade: daily volume, and how far its price strays from net asset value.
    C52 out of 100
    Rank 34 of 78

  • Holdings

    How concentrated the fund is, and how complete and current its disclosed holdings are.
    F23 out of 100
    Rank 76 of 77

  • Durability

    Whether the fund is likely to stay open, judged by its age, its assets and its issuer’s assets.
    C42 out of 100
    Rank 54 of 78

CBOX Holdings

As of Oct 12, 2026
Asset class
Stocks
Holdings
2
Top-10 weight
100%
Largest holding
State Street SPDR S&P 500 ETF Trust99.8%
The fund’s holdings, weight-ordered — page 1 of 1.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001—State Street SPDR S&P 500 ETF Trust99.75%3,396$1.7B5
002—Us Dollar0.25%4,234,652$4M235

Showing 1–2 of 2 holdings

CBOX Performance

Launched Apr 17, 2026

Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.

Not enough history yet.Not enough history yet.Not enough history yet.Not enough history yet.Not enough history yet.
CBOX$10,103
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$10,332
Jul 10, 2026 to Oct 12, 2026. CBOX $10,103. SPY $10,332. Use the arrow keys to read each point.$9,608$10,004$10,400Jul 2026Aug 2026Oct 2026

Jul 10, 2026 – Oct 12, 2026

Returns run to the Oct 12, 2026 close, with cash distributions reinvested. Each period starts on the same date that many months or years earlier. Periods over one year show the average yearly return.

Trailing total return for CBOX. Periods over one year show the average yearly return.
PeriodCBOX
Year to dateFund launched this year—
1 month+0.3%
3 months+1.0%
1 yearFund is under 1 year old—
3 yearsFund is under 3 years oldper year—
5 yearsFund is under 5 years oldper year—
10 yearsFund is under 10 years oldper year—

As of the close, with distributions reinvested.

Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.

Annual total returns for CBOX
YearReturn barCBOX
2026 YTD+2.0%

Since listing, Apr 17, 2026

CBOX in the news

Filtered to CBOX · Cash & Ultra-Short Income

CBOX Dividends

Adds up every distribution paid per share over the last 12 months, divided by the last completed close. Distributions are counted by ex-date. Data through Oct 12, 2026.
—Last 12 months
Payout per share
—Last 12 months

Listed Apr 2026. No distributions yet.

CBOX Risk

How much the fund’s monthly returns vary, scaled to a year.
—
Launched Apr 2026; fills in after 12 months
How it’s calculated: standard deviation

The sample standard deviation of monthly total returns, multiplied by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Total returns include reinvested distributions.

Return above 3-month US Treasury bills per unit of volatility.
—
Launched Apr 2026; fills in after 12 months
How it’s calculated: Sharpe ratio

Subtract each month’s Treasury-bill return from the fund’s monthly total return.

Divide the average of those excess returns by their sample standard deviation, then multiply by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Each month uses the Treasury yield quoted at the end of the previous month.

The largest fall from a peak to the low that followed.
—
Launched Apr 2026; fills in after 12 months
How it’s calculated: maximum drawdown

The largest percentage decline from an earlier peak, using total returns with reinvested distributions.

Uses up to five years through the last close, with at least 12 months required.

How strongly the fund’s returns move with its asset-class index.
−0.0005
vs its asset-class index
How it’s calculated: beta

The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.

CBOX Cost

Expense ratio0.19%
  • The middle half of Cash & Ultra-Short Income funds
  • Median 0.19%

38 of the 78 Cash & Ultra-Short Income funds charge less.

CBOX costs $19.00 a year on $10,000. The median Cash & Ultra-Short Income fund costs $19.00.

Other funds in Cash & Ultra-Short Income

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