TFRN.L vs. CU31.L
TFRN.L (WisdomTree USD Floating Rate Treasury Bond UCITS ETF - USD Acc) and CU31.L (iShares USD Treasury Bond 1-3yr UCITS ETF (Acc)) are both Government Bonds funds - TFRN.L tracks the Bloomberg US Treasury Floating Rate Bond Index while CU31.L tracks the ICE US Treasury 1-3 Year Index. Both are passively managed. Over the past 5 years, TFRN.L returned 3.64%/yr vs 1.84%/yr for CU31.L. At a correlation of -0.03, they often move in opposite directions. TFRN.L charges 0.15%/yr vs 0.07%/yr for CU31.L.
Performance
TFRN.L vs. CU31.L - Performance Comparison
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Different Trading Currencies
TFRN.L is traded in USD, while CU31.L is traded in GBp. To make them comparable, the CU31.L values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, TFRN.L achieves a 1.80% return, which is significantly higher than CU31.L's 0.44% return.
TFRN.L
- 1D
- 0.05%
- 1M
- 0.43%
- YTD
- 1.80%
- 6M
- 1.94%
- 1Y
- 3.85%
- 3Y*
- 4.68%
- 5Y*
- 3.64%
- 10Y*
- —
CU31.L
- 1D
- 0.13%
- 1M
- 0.38%
- YTD
- 0.44%
- 6M
- 0.43%
- 1Y
- 2.88%
- 3Y*
- 4.22%
- 5Y*
- 1.84%
- 10Y*
- 1.67%
TFRN.L vs. CU31.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
TFRN.L WisdomTree USD Floating Rate Treasury Bond UCITS ETF - USD Acc | 1.80% | 4.10% | 5.44% | 4.94% | 2.04% | -0.15% | 0.57% | 1.59% |
CU31.L iShares USD Treasury Bond 1-3yr UCITS ETF (Acc) | 0.44% | 5.42% | 4.05% | 3.61% | -3.82% | -0.31% | 2.65% | 3.49% |
Correlation
The correlation between TFRN.L and CU31.L is -0.02, 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 | -0.02 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.03 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.02 |
Correlation (All Time) Calculated using the full available price history since Mar 21, 2019 | -0.03 |
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Return for Risk
TFRN.L vs. CU31.L — Risk / Return Rank
TFRN.L
CU31.L
TFRN.L vs. CU31.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for WisdomTree USD Floating Rate Treasury Bond UCITS ETF - USD Acc (TFRN.L) and iShares USD Treasury Bond 1-3yr UCITS ETF (Acc) (CU31.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.
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.
| TFRN.L | CU31.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.31 | ||
| Sortino ratioReturn per unit of downside risk | +2.09 | ||
| Omega ratioGain probability vs. loss probability | 1.59 | 1.12 | +0.47 |
| Calmar ratioReturn relative to maximum drawdown | 3.92 | 2.41 | +1.51 |
| Martin ratioReturn relative to average drawdown | 34.08 | 7.48 | +26.60 |
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Drawdowns
TFRN.L vs. CU31.L - Drawdown Comparison
The maximum TFRN.L drawdown since its inception was -3.10%, smaller than the maximum CU31.L drawdown of -19.55%. Use the drawdown chart below to compare losses from any high point for TFRN.L and CU31.L.
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Drawdown Indicators
| TFRN.L | CU31.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.10% | -19.55% | +16.45% |
Max Drawdown (1Y)Largest decline over 1 year | -0.98% | -1.19% | +0.21% |
Max Drawdown (3Y)Largest decline over 3 years | -0.98% | -19.55% | +18.57% |
Max Drawdown (5Y)Largest decline over 5 years | -0.98% | -19.55% | +18.57% |
Max Drawdown (10Y)Largest decline over 10 years | — | -19.55% | — |
Current DrawdownCurrent decline from peak | 0.00% | -10.07% | +10.07% |
Average DrawdownAverage peak-to-trough decline | -0.09% | -4.10% | +4.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.11% | 0.38% | -0.27% |
Volatility
TFRN.L vs. CU31.L - Volatility Comparison
The current volatility for WisdomTree USD Floating Rate Treasury Bond UCITS ETF - USD Acc (TFRN.L) is 0.17%, while iShares USD Treasury Bond 1-3yr UCITS ETF (Acc) (CU31.L) has a volatility of 1.62%. This indicates that TFRN.L experiences smaller price fluctuations and is considered to be less risky than CU31.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TFRN.L | CU31.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.17% | 1.62% | -1.45% |
Volatility (6M)Calculated over the trailing 6-month period | 0.92% | 3.57% | -2.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.92% | 4.26% | -2.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.51% | 14.87% | -13.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.88% | 11.15% | -9.27% |
TFRN.L vs. CU31.L - Expense Ratio Comparison
TFRN.L has a 0.15% expense ratio, which is higher than CU31.L's 0.07% 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
TFRN.L vs. CU31.L - Dividend Comparison
Neither TFRN.L nor CU31.L has paid dividends to shareholders.
Frequently Asked Questions
TFRN.L and CU31.L have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, CU31.L is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CU31.L is cheaper with a 0.07% expense ratio, compared with 0.15% for TFRN.L.
TFRN.L tracks Bloomberg US Treasury Floating Rate Bond Index, while CU31.L tracks ICE US Treasury 1-3 Year Index. They also come from different issuers: WisdomTree and iShares. Their fees differ too: 0.15% for TFRN.L and 0.07% for CU31.L.
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