TFLO vs. VFISX
Compare and contrast key facts about iShares Treasury Floating Rate Bond ETF (TFLO) and Vanguard Short-Term Treasury Fund Investor Shares (VFISX).
TFLO is a passively managed fund by iShares that tracks the performance of the Barclays U.S. Treasury Floating Rate Index. It was launched on Feb 3, 2014. VFISX is managed by Vanguard. It was launched on Oct 28, 1991.
Performance
TFLO vs. VFISX - Performance Comparison
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TFLO vs. VFISX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TFLO iShares Treasury Floating Rate Bond ETF | 0.94% | 4.22% | 5.34% | 5.12% | 1.99% | -0.02% | 0.43% | 2.04% | 1.76% | 1.01% |
VFISX Vanguard Short-Term Treasury Fund Investor Shares | -0.02% | 5.36% | 3.75% | 3.54% | -4.71% | -0.88% | 3.95% | 3.60% | 1.36% | 0.38% |
Returns By Period
In the year-to-date period, TFLO achieves a 0.94% return, which is significantly higher than VFISX's -0.02% return. Over the past 10 years, TFLO has outperformed VFISX with an annualized return of 2.27%, while VFISX has yielded a comparatively lower 1.58% annualized return.
TFLO
- 1D
- 0.02%
- 1M
- 0.30%
- YTD
- 0.94%
- 6M
- 2.01%
- 1Y
- 4.08%
- 3Y*
- 4.85%
- 5Y*
- 3.49%
- 10Y*
- 2.27%
VFISX
- 1D
- 0.10%
- 1M
- -0.70%
- YTD
- -0.02%
- 6M
- 0.90%
- 1Y
- 3.32%
- 3Y*
- 3.72%
- 5Y*
- 1.38%
- 10Y*
- 1.58%
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TFLO vs. VFISX - Expense Ratio Comparison
TFLO has a 0.15% expense ratio, which is lower than VFISX's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
TFLO vs. VFISX — Risk / Return Rank
TFLO
VFISX
TFLO vs. VFISX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Treasury Floating Rate Bond ETF (TFLO) and Vanguard Short-Term Treasury Fund Investor Shares (VFISX). 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.
| TFLO | VFISX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 13.82 | 1.56 | +12.26 |
Sortino ratioReturn per unit of downside risk | 45.26 | 2.57 | +42.69 |
Omega ratioGain probability vs. loss probability | 11.00 | 1.33 | +9.68 |
Calmar ratioReturn relative to maximum drawdown | 207.22 | 2.70 | +204.52 |
Martin ratioReturn relative to average drawdown | 736.01 | 9.57 | +726.44 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| TFLO | VFISX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 13.82 | 1.56 | +12.26 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 9.84 | 0.53 | +9.31 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 4.54 | 0.75 | +3.79 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.97 | 1.53 | -0.57 |
Correlation
The correlation between TFLO and VFISX is 0.02, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
TFLO vs. VFISX - Dividend Comparison
TFLO's dividend yield for the trailing twelve months is around 4.00%, more than VFISX's 3.48% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TFLO iShares Treasury Floating Rate Bond ETF | 4.00% | 4.16% | 5.21% | 4.88% | 1.68% | 0.00% | 0.36% | 2.08% | 1.65% | 0.86% | 0.31% | 0.15% |
VFISX Vanguard Short-Term Treasury Fund Investor Shares | 3.48% | 3.89% | 4.38% | 3.95% | 1.93% | 0.52% | 2.20% | 2.39% | 2.10% | 1.15% | 1.18% | 0.83% |
Drawdowns
TFLO vs. VFISX - Drawdown Comparison
The maximum TFLO drawdown since its inception was -5.01%, smaller than the maximum VFISX drawdown of -6.86%. Use the drawdown chart below to compare losses from any high point for TFLO and VFISX.
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Drawdown Indicators
| TFLO | VFISX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.01% | -6.86% | +1.85% |
Max Drawdown (1Y)Largest decline over 1 year | -0.02% | -1.40% | +1.38% |
Max Drawdown (5Y)Largest decline over 5 years | -0.13% | -6.86% | +6.73% |
Max Drawdown (10Y)Largest decline over 10 years | -0.50% | -6.86% | +6.36% |
Current DrawdownCurrent decline from peak | 0.00% | -1.00% | +1.00% |
Average DrawdownAverage peak-to-trough decline | -0.10% | -0.65% | +0.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.01% | 0.40% | -0.39% |
Volatility
TFLO vs. VFISX - Volatility Comparison
The current volatility for iShares Treasury Floating Rate Bond ETF (TFLO) is 0.07%, while Vanguard Short-Term Treasury Fund Investor Shares (VFISX) has a volatility of 0.66%. This indicates that TFLO experiences smaller price fluctuations and is considered to be less risky than VFISX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TFLO | VFISX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.07% | 0.66% | -0.59% |
Volatility (6M)Calculated over the trailing 6-month period | 0.21% | 1.41% | -1.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.30% | 2.23% | -1.93% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.36% | 2.64% | -2.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.50% | 2.10% | -1.60% |