U10C.L vs. VDTY.L

Last updated Jun 5, 2026

U10C.L (Amundi US Treasury Bond 10+Y UCITS ETF Acc) and VDTY.L (Vanguard USD Treasury Bond UCITS ETF) are both Government Bonds funds - U10C.L tracks the Bloomberg US Long Treasury Index while VDTY.L tracks the Bloomberg Global Aggregate US Treasury Float Adjusted Index. Both are passively managed. Over the past 3 years, U10C.L returned -0.64%/yr vs 2.95%/yr for VDTY.L. Their correlation of 0.95 suggests significant overlap in exposure. U10C.L charges 0.06%/yr vs 0.05%/yr for VDTY.L.

Performance

U10C.L vs. VDTY.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amundi US Treasury Bond 10+Y UCITS ETF Acc (U10C.L) and Vanguard USD Treasury Bond UCITS ETF (VDTY.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, U10C.L achieves a -1.06% return, which is significantly lower than VDTY.L's -0.23% return.

U10C.L

• 1D: 0.35%
• 1M: 0.63%
• YTD: -1.06%
• 6M: -0.98%
• 1Y: 4.22%
• 3Y*: -0.64%
• 5Y*: —
• 10Y*: —

VDTY.L

• 1D: 0.24%
• 1M: 0.17%
• YTD: -0.23%
• 6M: 0.04%
• 1Y: 3.47%
• 3Y*: 2.95%
• 5Y*: -0.36%
• 10Y*: 0.95%

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

U10C.L vs. VDTY.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
U10C.L Amundi US Treasury Bond 10+Y UCITS ETF Acc	-1.06%	5.51%	-5.71%	2.61%	-28.28%	-1.82%
VDTY.L Vanguard USD Treasury Bond UCITS ETF	-0.23%	6.26%	1.10%	3.77%	-12.32%	-1.10%

Correlation

The correlation between U10C.L and VDTY.L is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (All Time) Calculated using the full available price history since Sep 17, 2021	0.95

The correlation between U10C.L and VDTY.L has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.

Return for Risk

U10C.L vs. VDTY.L — Risk / Return Rank

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

U10C.L

U10C.L Risk / Return Rank: 16
U10C.L Sharpe Ratio Rank: 17
U10C.L Sortino Ratio Rank: 16
U10C.L Omega Ratio Rank: 15
U10C.L Calmar Ratio Rank: 17
U10C.L Martin Ratio Rank: 17

VDTY.L

VDTY.L Risk / Return Rank: 27
VDTY.L Sharpe Ratio Rank: 28
VDTY.L Sortino Ratio Rank: 28
VDTY.L Omega Ratio Rank: 26
VDTY.L Calmar Ratio Rank: 25
VDTY.L Martin Ratio Rank: 27

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.

U10C.L vs. VDTY.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amundi US Treasury Bond 10+Y UCITS ETF Acc (U10C.L) and Vanguard USD Treasury Bond UCITS ETF (VDTY.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.

	U10C.L	VDTY.L	Difference
Sharpe ratio: Return per unit of total volatility	0.48	0.97	-0.49
Sortino ratio: Return per unit of downside risk	0.75	1.49	-0.74
Omega ratio: Gain probability vs. loss probability	1.08	1.17	-0.09
Calmar ratio: Return relative to maximum drawdown	0.60	1.16	-0.56
Martin ratio: Return relative to average drawdown	1.59	3.67	-2.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

U10C.L vs. VDTY.L - Sharpe Ratio Comparison

The current U10C.L Sharpe Ratio is 0.48, which is lower than the VDTY.L Sharpe Ratio of 0.97. The chart below compares the historical Sharpe Ratios of U10C.L and VDTY.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

	U10C.L	VDTY.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.48	0.97	-0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.07	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.20	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.50	0.20	-0.69

Drawdowns

U10C.L vs. VDTY.L - Drawdown Comparison

The maximum U10C.L drawdown since its inception was -40.18%, which is greater than VDTY.L's maximum drawdown of -18.99%. Use the drawdown chart below to compare losses from any high point for U10C.L and VDTY.L.

Drawdown Indicators

	U10C.L	VDTY.L	Difference
Max Drawdown Largest peak-to-trough decline	-40.18%	-18.99%	-21.19%
Max Drawdown (1Y) Largest decline over 1 year	-6.99%	-2.97%	-4.02%
Max Drawdown (3Y) Largest decline over 3 years	-17.05%	-5.35%	-11.70%
Max Drawdown (5Y) Largest decline over 5 years	—	-16.60%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-18.99%	—
Current Drawdown Current decline from peak	-30.22%	-6.76%	-23.46%
Average Drawdown Average peak-to-trough decline	-27.31%	-6.62%	-20.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.65%	0.94%	+1.71%

Volatility

U10C.L vs. VDTY.L - Volatility Comparison

Amundi US Treasury Bond 10+Y UCITS ETF Acc (U10C.L) has a higher volatility of 3.14% compared to Vanguard USD Treasury Bond UCITS ETF (VDTY.L) at 1.42%. This indicates that U10C.L's price experiences larger fluctuations and is considered to be riskier than VDTY.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	U10C.L	VDTY.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.14%	1.42%	+1.72%
Volatility (6M) Calculated over the trailing 6-month period	6.07%	2.50%	+3.57%
Volatility (1Y) Calculated over the trailing 1-year period	8.82%	3.58%	+5.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.98%	5.54%	+8.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.98%	4.86%	+9.12%

U10C.L vs. VDTY.L - Expense Ratio Comparison

U10C.L has a 0.06% expense ratio, which is higher than VDTY.L's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

U10C.L vs. VDTY.L - Dividend Comparison

U10C.L has not paid dividends to shareholders, while VDTY.L's dividend yield for the trailing twelve months is around 4.25%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
U10C.L Amundi US Treasury Bond 10+Y UCITS ETF Acc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VDTY.L Vanguard USD Treasury Bond UCITS ETF	4.25%	4.29%	4.31%	3.40%	2.09%	1.21%	1.54%	2.34%	2.33%	1.57%	0.99%

Frequently Asked Questions

Can I hold both U10C.L and VDTY.L in my portfolio?

With a correlation of 0.93, U10C.L and VDTY.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, U10C.L or VDTY.L?

On fees, VDTY.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, U10C.L or VDTY.L?

VDTY.L is cheaper with a 0.05% expense ratio, compared with 0.06% for U10C.L.

What is the main difference between U10C.L and VDTY.L?

U10C.L tracks Bloomberg US Long Treasury Index, while VDTY.L tracks Bloomberg Global Aggregate US Treasury Float Adjusted Index. They also come from different issuers: Amundi and Vanguard. Their fees differ too: 0.06% for U10C.L and 0.05% for VDTY.L.