IBGL vs. TFLO
IBGL (iShares iBonds Dec 2055 Term Treasury ETF) and TFLO (iShares Treasury Floating Rate Bond ETF) are both Government Bonds funds from iShares - IBGL tracks the ICE 2055 Maturity US Treasury Index while TFLO tracks the Bloomberg U.S. Treasury Floating Rate Index. Both are passively managed. Over the past year, IBGL returned -1.93% vs 3.90% for TFLO. Their -0.06 correlation means they have often moved in opposite directions in the past. IBGL charges 0.07%/yr vs 0.15%/yr for TFLO.
Performance
IBGL vs. TFLO - Performance Comparison
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Returns By Period
In the year-to-date period, IBGL achieves a -3.05% return, which is significantly lower than TFLO's 2.24% return.
IBGL
- 1D
- 0.39%
- 1M
- -3.47%
- 6M
- -2.70%
- YTD
- -3.05%
- 1Y
- -1.93%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -1.55%
TFLO
- 1D
- 0.02%
- 1M
- 0.30%
- 6M
- 1.90%
- YTD
- 2.24%
- 1Y
- 3.90%
- 3Y*
- 4.63%
- 5Y*
- 3.77%
- 10Y*
- 2.42%
- ALL TIME*
- 1.96%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $19.65K | $17.90K | $15.83K | |
| $86.01M | $74.39M | $76.29M |
IBGL vs. TFLO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBGL iShares iBonds Dec 2055 Term Treasury ETF | -3.05% | 0.99% |
TFLO iShares Treasury Floating Rate Bond ETF | 2.24% | 3.20% |
Correlation
The correlation between IBGL and TFLO is -0.06, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.06 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | -0.06 |
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Return for Risk
IBGL vs. TFLO — Risk / Return Rank
IBGL
TFLO
IBGL vs. TFLO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2055 Term Treasury ETF (IBGL) and iShares Treasury Floating Rate Bond ETF (TFLO). 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.
| IBGL | TFLO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -13.94 | ||
| Sortino ratioReturn per unit of downside risk | -47.23 | ||
| Omega ratioGain probability vs. loss probability | 0.97 | 12.25 | -11.27 |
| Calmar ratioReturn relative to maximum drawdown | -0.26 | 197.78 | -198.04 |
| Martin ratioReturn relative to average drawdown | -0.57 | 760.24 | -760.81 |
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Drawdowns
IBGL vs. TFLO - Drawdown Comparison
The maximum IBGL drawdown since its inception was -9.37%, which is greater than TFLO's maximum drawdown of -5.01%. Use the drawdown chart below to compare losses from any high point for IBGL and TFLO.
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Drawdown Indicators
| IBGL | TFLO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.37% | -5.01% | -4.36% |
Max Drawdown (1Y)Largest decline over 1 year | -7.44% | -0.02% | -7.42% |
Max Drawdown (3Y)Largest decline over 3 years | — | -0.04% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -0.13% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -0.16% | — |
Current DrawdownCurrent decline from peak | -7.08% | 0.00% | -7.08% |
Average DrawdownAverage peak-to-trough decline | -4.09% | -0.10% | -3.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.41% | 0.01% | +3.40% |
Volatility
IBGL vs. TFLO - Volatility Comparison
iShares iBonds Dec 2055 Term Treasury ETF (IBGL) has a higher volatility of 2.43% compared to iShares Treasury Floating Rate Bond ETF (TFLO) at 0.07%. This indicates that IBGL's price experiences larger fluctuations and is considered to be riskier than TFLO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBGL | TFLO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.43% | 0.07% | +2.36% |
Volatility (6M)Calculated over the trailing 6-month period | 6.51% | 0.19% | +6.32% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.79% | 0.29% | +8.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.35% | 0.35% | +10.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.35% | 0.45% | +9.90% |
IBGL vs. TFLO - Expense Ratio Comparison
IBGL has a 0.07% expense ratio, which is lower than TFLO's 0.15% 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%.
Dividends
IBGL vs. TFLO - Dividend Comparison
IBGL's dividend yield for the trailing twelve months is around 4.88%, more than TFLO's 3.79% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBGL iShares iBonds Dec 2055 Term Treasury ETF | 4.88% | 3.52% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
TFLO iShares Treasury Floating Rate Bond ETF | 3.79% | 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
IBGL and TFLO have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBGL has higher volatility (2.43%) compared to TFLO (0.07%). In terms of maximum drawdown, IBGL dropped -9.37% vs TFLO's -5.01%.
On 1-year performance, TFLO leads with 3.90% vs -1.93% for IBGL. On fees, IBGL is cheaper at 0.07% per year. On volatility, TFLO has been the lower-risk option at 0.07%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, TFLO has performed better with a 3.90% return vs -1.93%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBGL is cheaper with a 0.07% expense ratio, compared with 0.15% for TFLO.
IBGL has the higher dividend yield at 4.88%, compared with 3.79% for TFLO.
IBGL tracks ICE 2055 Maturity US Treasury Index, while TFLO tracks Bloomberg U.S. Treasury Floating Rate Index. Their fees differ too: 0.07% for IBGL and 0.15% for TFLO.
TFLO currently has the higher Sharpe Ratio (13.72 vs -0.22), 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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