CVSB vs. UX

Last updated Jun 24, 2026

CVSB (Calvert Ultra-Short Investment Grade ETF) and UX (Roundhill Uranium ETF) are both exchange-traded funds - CVSB is a Ultrashort Bond fund actively managed by Calvert, while UX is a Uranium fund actively managed by Roundhill. Both are actively managed. Over the past year, CVSB returned 4.31% vs -0.88% for UX. At a correlation of -0.04, they often move in opposite directions. CVSB charges 0.24%/yr vs 0.75%/yr for UX.

Performance

CVSB vs. UX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calvert Ultra-Short Investment Grade ETF (CVSB) and Roundhill Uranium ETF (UX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CVSB achieves a 1.62% return, which is significantly higher than UX's -5.87% return.

CVSB

• 1D: 0.00%
• 1M: 0.28%
• YTD: 1.62%
• 6M: 1.91%
• 1Y: 4.31%
• 3Y*: 5.48%
• 5Y*: —
• 10Y*: —

UX

• 1D: -0.14%
• 1M: -4.39%
• YTD: -5.87%
• 6M: -5.85%
• 1Y: -0.88%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CVSB vs. UX - Yearly Performance Comparison

	2026 (YTD)	2025
CVSB Calvert Ultra-Short Investment Grade ETF	1.62%	4.67%
UX Roundhill Uranium ETF	-5.87%	18.96%

Correlation

The correlation between CVSB and UX is -0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.03
Correlation (All Time) Calculated using the full available price history since Jan 29, 2025	-0.04

Return for Risk

CVSB vs. UX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

CVSB

CVSB Risk / Return Rank: 98
CVSB Sharpe Ratio Rank: 98
CVSB Sortino Ratio Rank: 98
CVSB Omega Ratio Rank: 98
CVSB Calmar Ratio Rank: 99
CVSB Martin Ratio Rank: 99

UX

UX Risk / Return Rank: 9
UX Sharpe Ratio Rank: 9
UX Sortino Ratio Rank: 9
UX Omega Ratio Rank: 9
UX Calmar Ratio Rank: 9
UX Martin Ratio Rank: 8

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

CVSB vs. UX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calvert Ultra-Short Investment Grade ETF (CVSB) and Roundhill Uranium ETF (UX). 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.

	CVSB	UX	Difference
Sharpe ratio: Return per unit of total volatility	5.20	-0.03	+5.23
Sortino ratio: Return per unit of downside risk	8.96	0.21	+8.75
Omega ratio: Gain probability vs. loss probability	2.42	1.02	+1.39
Calmar ratio: Return relative to maximum drawdown	19.12	-0.04	+19.16
Martin ratio: Return relative to average drawdown	79.40	-0.07	+79.47

CVSB vs. UX - Sharpe Ratio Comparison

The current CVSB Sharpe Ratio is 5.20, which is higher than the UX Sharpe Ratio of -0.03. The chart below compares the historical Sharpe Ratios of CVSB and UX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CVSB vs. UX - Drawdown Comparison

The maximum CVSB drawdown since its inception was -0.63%, smaller than the maximum UX drawdown of -24.92%. Use the drawdown chart below to compare losses from any high point for CVSB and UX.

Drawdown Indicators

	CVSB	UX	Difference
Max Drawdown Largest peak-to-trough decline	-0.63%	-24.92%	+24.29%
Max Drawdown (1Y) Largest decline over 1 year	-0.23%	-24.92%	+24.69%
Max Drawdown (3Y) Largest decline over 3 years	-0.63%	—	—
Current Drawdown Current decline from peak	-0.00%	-23.84%	+23.84%
Average Drawdown Average peak-to-trough decline	-0.05%	-10.58%	+10.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.05%	12.97%	-12.92%

Volatility

CVSB vs. UX - Volatility Comparison

The current volatility for Calvert Ultra-Short Investment Grade ETF (CVSB) is 0.18%, while Roundhill Uranium ETF (UX) has a volatility of 7.95%. This indicates that CVSB experiences smaller price fluctuations and is considered to be less risky than UX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CVSB	UX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.18%	7.95%	-7.77%
Volatility (6M) Calculated over the trailing 6-month period	0.53%	24.25%	-23.72%
Volatility (1Y) Calculated over the trailing 1-year period	0.83%	34.10%	-33.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.31%	35.99%	-34.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.31%	35.99%	-34.68%

CVSB vs. UX - Expense Ratio Comparison

CVSB has a 0.24% expense ratio, which is lower than UX's 0.75% expense ratio.

Dividends

CVSB vs. UX - Dividend Comparison

CVSB's dividend yield for the trailing twelve months is around 4.37%, more than UX's 1.57% yield.

Position	TTM	2025	2024	2023
CVSB Calvert Ultra-Short Investment Grade ETF	4.37%	4.72%	5.13%	4.95%
UX Roundhill Uranium ETF	1.57%	1.48%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CVSB and UX in my portfolio?

CVSB and UX have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CVSB or UX?

UX has higher volatility (7.95%) compared to CVSB (0.18%). In terms of maximum drawdown, CVSB dropped -0.63% vs UX's -24.92%.

Which ETF is better, CVSB or UX?

On 1-year performance, CVSB leads with 4.31% vs -0.88% for UX. On fees, CVSB is cheaper at 0.24% per year. On volatility, CVSB has been the lower-risk option at 0.18%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CVSB or UX?

Over the 1-year period, CVSB has performed better with a 4.31% return vs -0.88%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CVSB or UX?

CVSB is cheaper with a 0.24% expense ratio, compared with 0.75% for UX.

Which ETF pays a higher dividend yield, CVSB or UX?

CVSB has the higher dividend yield at 4.37%, compared with 1.57% for UX.

What is the main difference between CVSB and UX?

CVSB is categorized as Ultrashort Bond, while UX is Uranium. They also come from different issuers: Calvert and Roundhill. Their fees differ too: 0.24% for CVSB and 0.75% for UX.

Which has better risk-adjusted returns?

CVSB currently has the higher Sharpe Ratio (5.20 vs -0.03), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.