XBOX vs. CBOX

Last updated Aug 1, 2026

XBOX (Roundhill Ultra Short Duration No Dividend Target ETF) and CBOX (Calamos Tax-Aware Collateral ETF) are both exchange-traded funds - XBOX is a Ultrashort Bond fund actively managed by Roundhill, while CBOX is a Options Trading fund actively managed by Calamos. Both are actively managed. Their 0.05 correlation means their historical movements had little consistent relationship. Both charge a 0.14% expense ratio.

Performance

XBOX vs. CBOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill Ultra Short Duration No Dividend Target ETF (XBOX) and Calamos Tax-Aware Collateral ETF (CBOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

XBOX

• 1D: 0.02%
• 1M: 0.36%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

CBOX

• 1D: 0.00%
• 1M: 0.40%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CBOX Calamos Tax-Aware Collateral ETF	$7.89M	$8.89M	$7.14M
XBOX Roundhill Ultra Short Duration No Dividend Target ETF	$17.25M	$10.21M	$6.96M

XBOX vs. CBOX - Yearly Performance Comparison

	2026 (YTD)
XBOX Roundhill Ultra Short Duration No Dividend Target ETF	1.24%
CBOX Calamos Tax-Aware Collateral ETF	1.12%

Correlation

The correlation between XBOX and CBOX is 0.05, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 17, 2026	0.05

Return for Risk

XBOX vs. CBOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Ultra Short Duration No Dividend Target ETF (XBOX) and Calamos Tax-Aware Collateral ETF (CBOX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Drawdowns

XBOX vs. CBOX - Drawdown Comparison

The maximum XBOX drawdown since its inception was -0.83%, smaller than the maximum CBOX drawdown of -2.90%. Use the drawdown chart below to compare losses from any high point for XBOX and CBOX.

Drawdown Indicators

	XBOX	CBOX	Difference
Max Drawdown Largest peak-to-trough decline	-0.83%	-2.90%	+2.07%
Current Drawdown Current decline from peak	0.00%	-2.30%	+2.30%
Average Drawdown Average peak-to-trough decline	-0.08%	-1.47%	+1.39%

Volatility

Volatility by Period

	XBOX	CBOX	Difference
Volatility (1Y) Calculated over the trailing 1-year period	2.17%	7.83%	-5.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.17%	7.83%	-5.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.17%	7.83%	-5.66%

XBOX vs. CBOX - Expense Ratio Comparison

Both XBOX and CBOX have an expense ratio of 0.14%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

XBOX vs. CBOX - Dividend Comparison

Neither XBOX nor CBOX has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both XBOX and CBOX in my portfolio?

XBOX and CBOX have a correlation of 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, XBOX or CBOX?

Both ETFs have the same 0.14% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, XBOX or CBOX?

XBOX and CBOX have the same expense ratio: 0.14% per year.

Which ETF pays a higher dividend yield, XBOX or CBOX?

XBOX and CBOX have nearly identical dividend yields, around 0.00%.

What is the main difference between XBOX and CBOX?

XBOX is categorized as Ultrashort Bond, while CBOX is Options Trading. They also come from different issuers: Roundhill and Calamos.