TFLO vs. IEZ
TFLO (iShares Treasury Floating Rate Bond ETF) and IEZ (iShares U.S. Oil Equipment & Services ETF) are both exchange-traded funds - TFLO is a Government Bonds fund tracking the Bloomberg U.S. Treasury Floating Rate Index, while IEZ is a Energy Equities fund tracking the Dow Jones U.S. Select Oil Equipment & Services Index. Both are passively managed. Over the past 10 years, TFLO returned 2.38%/yr vs -1.46%/yr for IEZ. At a correlation of -0.04, they often move in opposite directions. TFLO charges 0.15%/yr vs 0.42%/yr for IEZ.
Performance
TFLO vs. IEZ - Performance Comparison
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Returns By Period
In the year-to-date period, TFLO achieves a 1.81% return, which is significantly lower than IEZ's 33.32% return. Over the past 10 years, TFLO has outperformed IEZ with an annualized return of 2.38%, while IEZ has yielded a comparatively lower -1.46% annualized return.
TFLO
- 1D
- 0.02%
- 1M
- 0.31%
- YTD
- 1.81%
- 6M
- 1.91%
- 1Y
- 3.99%
- 3Y*
- 4.72%
- 5Y*
- 3.68%
- 10Y*
- 2.38%
IEZ
- 1D
- -0.72%
- 1M
- -12.99%
- YTD
- 33.32%
- 6M
- 33.77%
- 1Y
- 64.80%
- 3Y*
- 15.70%
- 5Y*
- 12.80%
- 10Y*
- -1.46%
TFLO vs. IEZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TFLO iShares Treasury Floating Rate Bond ETF | 1.81% | 4.22% | 5.34% | 5.12% | 1.99% | -0.02% | 0.43% | 2.04% | 1.76% | 1.01% |
IEZ iShares U.S. Oil Equipment & Services ETF | 33.32% | 7.51% | -8.15% | 4.43% | 65.73% | 15.98% | -42.98% | 1.82% | -42.47% | -18.18% |
Correlation
The correlation between TFLO and IEZ is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.12 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.04 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.04 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.04 |
Correlation (All Time) Calculated using the full available price history since Feb 4, 2014 | -0.04 |
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Return for Risk
TFLO vs. IEZ — Risk / Return Rank
TFLO
IEZ
TFLO vs. IEZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Treasury Floating Rate Bond ETF (TFLO) and iShares U.S. Oil Equipment & Services ETF (IEZ). 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.
| TFLO | IEZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +11.88 | ||
| Sortino ratioReturn per unit of downside risk | +48.21 | ||
| Omega ratioGain probability vs. loss probability | 14.01 | 1.36 | +12.65 |
| Calmar ratioReturn relative to maximum drawdown | 202.27 | 4.35 | +197.92 |
| Martin ratioReturn relative to average drawdown | 827.47 | 15.22 | +812.25 |
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Drawdowns
TFLO vs. IEZ - Drawdown Comparison
The maximum TFLO drawdown since its inception was -5.01%, smaller than the maximum IEZ drawdown of -92.52%. Use the drawdown chart below to compare losses from any high point for TFLO and IEZ.
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Drawdown Indicators
| TFLO | IEZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.01% | -92.52% | +87.51% |
Max Drawdown (1Y)Largest decline over 1 year | -0.02% | -14.97% | +14.95% |
Max Drawdown (3Y)Largest decline over 3 years | -0.04% | -40.25% | +40.21% |
Max Drawdown (5Y)Largest decline over 5 years | -0.13% | -40.25% | +40.12% |
Max Drawdown (10Y)Largest decline over 10 years | -0.16% | -88.29% | +88.13% |
Current DrawdownCurrent decline from peak | 0.00% | -56.00% | +56.00% |
Average DrawdownAverage peak-to-trough decline | -0.10% | -48.26% | +48.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.00% | 4.27% | -4.27% |
Volatility
TFLO vs. IEZ - Volatility Comparison
The current volatility for iShares Treasury Floating Rate Bond ETF (TFLO) is 0.08%, while iShares U.S. Oil Equipment & Services ETF (IEZ) has a volatility of 9.89%. This indicates that TFLO experiences smaller price fluctuations and is considered to be less risky than IEZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TFLO | IEZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.08% | 9.89% | -9.81% |
Volatility (6M)Calculated over the trailing 6-month period | 0.20% | 20.84% | -20.64% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.29% | 29.51% | -29.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.35% | 36.32% | -35.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.46% | 41.52% | -41.06% |
TFLO vs. IEZ - Expense Ratio Comparison
TFLO has a 0.15% expense ratio, which is lower than IEZ's 0.42% expense ratio.
Dividends
TFLO vs. IEZ - Dividend Comparison
TFLO's dividend yield for the trailing twelve months is around 3.89%, more than IEZ's 1.24% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEZ iShares U.S. Oil Equipment & Services ETF | 1.24% | 1.87% | 1.76% | 0.97% | 0.65% | 1.20% | 2.07% | 2.28% | 1.81% | 3.42% | 0.91% | 2.40% |
TFLO iShares Treasury Floating Rate Bond ETF | 3.89% | 4.16% | 5.21% | 4.88% | 1.68% | 0.00% | 0.36% | 2.08% | 1.65% | 0.86% | 0.31% | 0.15% |
Frequently Asked Questions
TFLO and IEZ have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IEZ has higher volatility (9.89%) compared to TFLO (0.08%). In terms of maximum drawdown, TFLO dropped -5.01% vs IEZ's -92.52%.
On 10-year performance, TFLO leads with 2.38% vs -1.46% for IEZ. On fees, TFLO is cheaper at 0.15% per year. On volatility, TFLO has been the lower-risk option at 0.08%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, TFLO has performed better with a 2.38% return vs -1.46%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
TFLO is cheaper with a 0.15% expense ratio, compared with 0.42% for IEZ.
TFLO has the higher dividend yield at 3.89%, compared with 1.24% for IEZ.
TFLO is categorized as Government Bonds, while IEZ is Energy Equities. TFLO tracks Bloomberg U.S. Treasury Floating Rate Index, while IEZ tracks Dow Jones U.S. Select Oil Equipment & Services Index. Their fees differ too: 0.15% for TFLO and 0.42% for IEZ.
TFLO currently has the higher Sharpe Ratio (14.11 vs 2.23), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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