CGUI vs. UCO

Last updated Jun 4, 2026

CGUI (Capital Group Ultra Short Income ETF) and UCO (ProShares Ultra Bloomberg Crude Oil) are both exchange-traded funds - CGUI is a Ultrashort Bond fund actively managed by Capital Group, while UCO is a Leveraged Commodities fund tracking the Dow Jones-UBS Crude Oil Sub-Index (200%). CGUI is actively managed, while UCO is passively managed. Over the past year, CGUI returned 4.42% vs 120.48% for UCO. At a correlation of -0.18, they often move in opposite directions. CGUI charges 0.18%/yr vs 0.95%/yr for UCO.

Performance

CGUI vs. UCO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Capital Group Ultra Short Income ETF (CGUI) and ProShares Ultra Bloomberg Crude Oil (UCO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CGUI achieves a 1.50% return, which is significantly lower than UCO's 149.12% return.

CGUI

• 1D: -0.04%
• 1M: 0.29%
• YTD: 1.50%
• 6M: 1.84%
• 1Y: 4.42%
• 3Y*: —
• 5Y*: —
• 10Y*: —

UCO

• 1D: 2.71%
• 1M: -4.64%
• YTD: 149.12%
• 6M: 137.09%
• 1Y: 120.48%
• 3Y*: 25.90%
• 5Y*: 22.16%
• 10Y*: -11.31%

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

CGUI vs. UCO - Yearly Performance Comparison

	2026 (YTD)	2025	2024
CGUI Capital Group Ultra Short Income ETF	1.50%	4.99%	3.03%
UCO ProShares Ultra Bloomberg Crude Oil	149.12%	-29.75%	-18.57%

Correlation

The correlation between CGUI and UCO is -0.23, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.23
Correlation (All Time) Calculated using the full available price history since Jun 28, 2024	-0.18

Return for Risk

CGUI vs. UCO — Risk / Return Rank

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

CGUI

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

UCO

UCO Risk / Return Rank: 54
UCO Sharpe Ratio Rank: 62
UCO Sortino Ratio Rank: 50
UCO Omega Ratio Rank: 50
UCO Calmar Ratio Rank: 69
UCO Martin Ratio Rank: 41

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.

CGUI vs. UCO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Capital Group Ultra Short Income ETF (CGUI) and ProShares Ultra Bloomberg Crude Oil (UCO). 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.

	CGUI	UCO	Difference
Sharpe ratio: Return per unit of total volatility	5.99	2.12	+3.87
Sortino ratio: Return per unit of downside risk	10.92	2.46	+8.46
Omega ratio: Gain probability vs. loss probability	2.66	1.32	+1.33
Calmar ratio: Return relative to maximum drawdown	24.99	3.49	+21.51
Martin ratio: Return relative to average drawdown	105.06	6.60	+98.46
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CGUI vs. UCO - Sharpe Ratio Comparison

The current CGUI Sharpe Ratio is 5.99, which is higher than the UCO Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of CGUI and UCO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CGUI	UCO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.99	2.12	+3.87
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.37	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	-0.16	—
Sharpe Ratio (All Time) Calculated using the full available price history	6.20	-0.34	+6.54

Drawdowns

CGUI vs. UCO - Drawdown Comparison

The maximum CGUI drawdown since its inception was -0.18%, smaller than the maximum UCO drawdown of -99.95%. Use the drawdown chart below to compare losses from any high point for CGUI and UCO.

Drawdown Indicators

	CGUI	UCO	Difference
Max Drawdown Largest peak-to-trough decline	-0.18%	-99.95%	+99.77%
Max Drawdown (1Y) Largest decline over 1 year	-0.18%	-34.77%	+34.59%
Max Drawdown (3Y) Largest decline over 3 years	—	-50.38%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-67.24%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-98.75%	—
Current Drawdown Current decline from peak	-0.04%	-99.23%	+99.19%
Average Drawdown Average peak-to-trough decline	-0.02%	-85.49%	+85.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.04%	18.33%	-18.29%

Volatility

CGUI vs. UCO - Volatility Comparison

The current volatility for Capital Group Ultra Short Income ETF (CGUI) is 0.30%, while ProShares Ultra Bloomberg Crude Oil (UCO) has a volatility of 20.83%. This indicates that CGUI experiences smaller price fluctuations and is considered to be less risky than UCO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CGUI	UCO	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.30%	20.83%	-20.53%
Volatility (6M) Calculated over the trailing 6-month period	0.56%	46.44%	-45.88%
Volatility (1Y) Calculated over the trailing 1-year period	0.74%	57.11%	-56.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.80%	59.78%	-58.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.80%	71.36%	-70.56%

CGUI vs. UCO - Expense Ratio Comparison

CGUI has a 0.18% expense ratio, which is lower than UCO's 0.95% expense ratio.

Dividends

CGUI vs. UCO - Dividend Comparison

CGUI's dividend yield for the trailing twelve months is around 3.89%, while UCO has not paid dividends to shareholders.

Position	TTM	2025	2024
CGUI Capital Group Ultra Short Income ETF	3.89%	4.17%	2.62%
UCO ProShares Ultra Bloomberg Crude Oil	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CGUI and UCO in my portfolio?

CGUI and UCO have a correlation of -0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CGUI or UCO?

UCO has higher volatility (20.83%) compared to CGUI (0.30%). In terms of maximum drawdown, CGUI dropped -0.18% vs UCO's -99.95%.

Which ETF is better, CGUI or UCO?

On 1-year performance, UCO leads with 120.48% vs 4.42% for CGUI. On fees, CGUI is cheaper at 0.18% per year. On volatility, CGUI has been the lower-risk option at 0.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CGUI or UCO?

Over the 1-year period, UCO has performed better with a 120.48% return vs 4.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CGUI or UCO?

CGUI is cheaper with a 0.18% expense ratio, compared with 0.95% for UCO.

Which ETF pays a higher dividend yield, CGUI or UCO?

CGUI has the higher dividend yield at 3.89%, compared with 0.00% for UCO.

What is the main difference between CGUI and UCO?

CGUI is categorized as Ultrashort Bond, while UCO is Leveraged Commodities. They also come from different issuers: Capital Group and ProShares. Their fees differ too: 0.18% for CGUI and 0.95% for UCO.

Which has better risk-adjusted returns?

CGUI currently has the higher Sharpe Ratio (5.99 vs 2.12), 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.