USFR.L vs. VMFXX

Last updated Jun 25, 2026

USFR.L (WisdomTree USD Floating Rate Treasury Bond UCITS ETF USD) and VMFXX (Vanguard Federal Money Market Fund) are both funds - USFR.L is a Government Bonds fund tracking the Bloomberg US Treasury Floating Rate Bond Index, while VMFXX is a Money Market fund managed by Vanguard. Over the past 5 years, USFR.L returned 3.66%/yr vs 3.02%/yr for VMFXX. At a 0.01 correlation, their price movements are largely independent. USFR.L charges 0.15%/yr vs 0.11%/yr for VMFXX.

Performance

USFR.L vs. VMFXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree USD Floating Rate Treasury Bond UCITS ETF USD (USFR.L) and Vanguard Federal Money Market Fund (VMFXX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USFR.L achieves a 1.79% return, which is significantly higher than VMFXX's 1.50% return.

USFR.L

• 1D: 0.10%
• 1M: 0.32%
• YTD: 1.79%
• 6M: 1.87%
• 1Y: 3.92%
• 3Y*: 4.70%
• 5Y*: 3.66%
• 10Y*: —

VMFXX

• 1D: 0.00%
• 1M: 0.30%
• YTD: 1.50%
• 6M: 1.82%
• 1Y: 3.95%
• 3Y*: 4.42%
• 5Y*: 3.02%
• 10Y*: —

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

USFR.L vs. VMFXX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
USFR.L WisdomTree USD Floating Rate Treasury Bond UCITS ETF USD	1.79%	4.16%	5.44%	4.95%	2.06%	-0.02%
VMFXX Vanguard Federal Money Market Fund	1.50%	4.24%	4.83%	4.64%	0.00%	0.00%

Correlation

The correlation between USFR.L and VMFXX 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 (3Y) Calculated over the trailing 3-year period	-0.02
Correlation (5Y) Calculated over the trailing 5-year period	0.01
Correlation (All Time) Calculated using the full available price history since May 25, 2021	0.01

Return for Risk

USFR.L vs. VMFXX — Risk / Return Rank

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

USFR.L

USFR.L Risk / Return Rank: 68
USFR.L Sharpe Ratio Rank: 43
USFR.L Sortino Ratio Rank: 43
USFR.L Omega Ratio Rank: 91
USFR.L Calmar Ratio Rank: 69
USFR.L Martin Ratio Rank: 95

VMFXX

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

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.

USFR.L vs. VMFXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree USD Floating Rate Treasury Bond UCITS ETF USD (USFR.L) and Vanguard Federal Money Market Fund (VMFXX). 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.

	USFR.L	VMFXX	Difference
Sharpe ratio: Return per unit of total volatility	1.37	3.67	-2.31
Sortino ratio: Return per unit of downside risk	1.98	—	—
Omega ratio: Gain probability vs. loss probability	1.52	—	—
Calmar ratio: Return relative to maximum drawdown	3.07	—	—
Martin ratio: Return relative to average drawdown	27.84	—	—

USFR.L vs. VMFXX - Sharpe Ratio Comparison

The current USFR.L Sharpe Ratio is 1.37, which is lower than the VMFXX Sharpe Ratio of 3.67. The chart below compares the historical Sharpe Ratios of USFR.L and VMFXX, 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

USFR.L vs. VMFXX - Drawdown Comparison

The maximum USFR.L drawdown since its inception was -2.99%, which is greater than VMFXX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for USFR.L and VMFXX.

Drawdown Indicators

	USFR.L	VMFXX	Difference
Max Drawdown Largest peak-to-trough decline	-2.99%	0.00%	-2.99%
Max Drawdown (1Y) Largest decline over 1 year	-1.26%	0.00%	-1.26%
Max Drawdown (3Y) Largest decline over 3 years	-1.64%	0.00%	-1.64%
Max Drawdown (5Y) Largest decline over 5 years	-1.64%	0.00%	-1.64%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.09%	0.00%	-0.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.14%	0.00%	+0.14%

Volatility

USFR.L vs. VMFXX - Volatility Comparison

The current volatility for WisdomTree USD Floating Rate Treasury Bond UCITS ETF USD (USFR.L) is 0.27%, while Vanguard Federal Money Market Fund (VMFXX) has a volatility of 0.30%. This indicates that USFR.L experiences smaller price fluctuations and is considered to be less risky than VMFXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USFR.L	VMFXX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.27%	0.30%	-0.03%
Volatility (6M) Calculated over the trailing 6-month period	1.65%	0.72%	+0.93%
Volatility (1Y) Calculated over the trailing 1-year period	2.83%	1.12%	+1.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.47%	1.08%	+1.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.50%	1.07%	+1.43%

USFR.L vs. VMFXX - Expense Ratio Comparison

USFR.L has a 0.15% expense ratio, which is higher than VMFXX's 0.11% 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

USFR.L vs. VMFXX - Dividend Comparison

USFR.L's dividend yield for the trailing twelve months is around 3.98%, more than VMFXX's 3.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
USFR.L WisdomTree USD Floating Rate Treasury Bond UCITS ETF USD	3.98%	4.32%	5.24%	4.58%	0.78%	0.00%	0.57%	1.09%
VMFXX Vanguard Federal Money Market Fund	3.87%	4.14%	4.70%	4.53%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both USFR.L and VMFXX in my portfolio?

USFR.L and VMFXX 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.