BBLL.L vs. CU71.L

Last updated Jun 5, 2026

BBLL.L (JPMorgan BetaBuilders US Treasury Bond 0-1 yr UCITS ETF USD (Acc)) and CU71.L (iShares USD Treasury Bond 3-7yr UCITS ETF (Acc)) are both Government Bonds funds - BBLL.L tracks the ICE US Treasury 0-1 Year Index while CU71.L tracks the ICE U.S. Treasury 3-7 Year Bond Index. Both are passively managed. Over the past year, BBLL.L returned 4.96% vs 4.29% for CU71.L. Their correlation of 0.87 suggests significant overlap in exposure. Both charge a 0.07% expense ratio.

Performance

BBLL.L vs. CU71.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in JPMorgan BetaBuilders US Treasury Bond 0-1 yr UCITS ETF USD (Acc) (BBLL.L) and iShares USD Treasury Bond 3-7yr UCITS ETF (Acc) (CU71.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

BBLL.L is traded in GBP, while CU71.L is traded in GBp. To make them comparable, the CU71.L values have been converted to GBP using the latest available exchange rates.

Returns By Period

In the year-to-date period, BBLL.L achieves a 1.64% return, which is significantly higher than CU71.L's -0.14% return.

BBLL.L

• 1D: 0.05%
• 1M: 1.28%
• YTD: 1.64%
• 6M: 1.15%
• 1Y: 4.96%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CU71.L

• 1D: 0.25%
• 1M: 0.93%
• YTD: -0.14%
• 6M: -0.64%
• 1Y: 4.29%
• 3Y*: 1.05%
• 5Y*: 1.47%
• 10Y*: 2.15%

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

BBLL.L vs. CU71.L - Yearly Performance Comparison

	2026 (YTD)	2025
BBLL.L JPMorgan BetaBuilders US Treasury Bond 0-1 yr UCITS ETF USD (Acc)	1.64%	2.34%
CU71.L iShares USD Treasury Bond 3-7yr UCITS ETF (Acc)	-0.14%	2.98%

Correlation

The correlation between BBLL.L and CU71.L is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.88
Correlation (All Time) Calculated using the full available price history since Apr 29, 2025	0.87

The correlation between BBLL.L and CU71.L has been stable across timeframes, ranging from 0.87 to 0.88 - a consistent structural relationship.

Return for Risk

BBLL.L vs. CU71.L — Risk / Return Rank

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

BBLL.L

BBLL.L Risk / Return Rank: 22
BBLL.L Sharpe Ratio Rank: 23
BBLL.L Sortino Ratio Rank: 22
BBLL.L Omega Ratio Rank: 21
BBLL.L Calmar Ratio Rank: 24
BBLL.L Martin Ratio Rank: 23

CU71.L

CU71.L Risk / Return Rank: 20
CU71.L Sharpe Ratio Rank: 22
CU71.L Sortino Ratio Rank: 21
CU71.L Omega Ratio Rank: 20
CU71.L Calmar Ratio Rank: 20
CU71.L Martin Ratio Rank: 19

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.

BBLL.L vs. CU71.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for JPMorgan BetaBuilders US Treasury Bond 0-1 yr UCITS ETF USD (Acc) (BBLL.L) and iShares USD Treasury Bond 3-7yr UCITS ETF (Acc) (CU71.L). 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.

	BBLL.L	CU71.L	Difference
Sharpe ratio: Return per unit of total volatility	0.77	0.72	+0.05
Sortino ratio: Return per unit of downside risk	1.15	1.09	+0.05
Omega ratio: Gain probability vs. loss probability	1.13	1.12	+0.01
Calmar ratio: Return relative to maximum drawdown	1.09	0.85	+0.24
Martin ratio: Return relative to average drawdown	2.77	2.09	+0.68
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BBLL.L vs. CU71.L - Sharpe Ratio Comparison

The current BBLL.L Sharpe Ratio is 0.77, which is comparable to the CU71.L Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of BBLL.L and CU71.L, 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

	BBLL.L	CU71.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.77	0.72	+0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.18	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.22	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.27	+0.30

Drawdowns

BBLL.L vs. CU71.L - Drawdown Comparison

The maximum BBLL.L drawdown since its inception was -4.55%, smaller than the maximum CU71.L drawdown of -20.50%. Use the drawdown chart below to compare losses from any high point for BBLL.L and CU71.L.

Drawdown Indicators

	BBLL.L	CU71.L	Difference
Max Drawdown Largest peak-to-trough decline	-4.55%	-20.50%	+15.95%
Max Drawdown (1Y) Largest decline over 1 year	-4.55%	-5.02%	+0.47%
Max Drawdown (3Y) Largest decline over 3 years	—	-7.33%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-15.69%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-20.50%	—
Current Drawdown Current decline from peak	-1.11%	-13.12%	+12.01%
Average Drawdown Average peak-to-trough decline	-1.59%	-10.11%	+8.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.79%	2.05%	-0.26%

Volatility

BBLL.L vs. CU71.L - Volatility Comparison

JPMorgan BetaBuilders US Treasury Bond 0-1 yr UCITS ETF USD (Acc) (BBLL.L) has a higher volatility of 1.86% compared to iShares USD Treasury Bond 3-7yr UCITS ETF (Acc) (CU71.L) at 1.45%. This indicates that BBLL.L's price experiences larger fluctuations and is considered to be riskier than CU71.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BBLL.L	CU71.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.86%	1.45%	+0.41%
Volatility (6M) Calculated over the trailing 6-month period	4.69%	4.33%	+0.36%
Volatility (1Y) Calculated over the trailing 1-year period	6.43%	5.96%	+0.47%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.41%	8.27%	-1.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.41%	9.55%	-3.14%

BBLL.L vs. CU71.L - Expense Ratio Comparison

Both BBLL.L and CU71.L have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

BBLL.L vs. CU71.L - Dividend Comparison

Neither BBLL.L nor CU71.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both BBLL.L and CU71.L in my portfolio?

BBLL.L and CU71.L have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BBLL.L or CU71.L?

Both ETFs have the same 0.07% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BBLL.L or CU71.L?

BBLL.L and CU71.L have the same expense ratio: 0.07% per year.

What is the main difference between BBLL.L and CU71.L?

BBLL.L tracks ICE US Treasury 0-1 Year Index, while CU71.L tracks ICE U.S. Treasury 3-7 Year Bond Index. They also come from different issuers: JPMorgan and iShares.