RBIL vs. TDTT
Compare and contrast key facts about F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) and FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT).
RBIL and TDTT are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. RBIL is a passively managed fund by F/m that tracks the performance of the Bloomberg US Ultrashort TIPS 1-13 Months Index. It was launched on Feb 24, 2025. TDTT is a passively managed fund by Northern Trust that tracks the performance of the iBoxx 3-Year Target Duration TIPS. It was launched on Sep 19, 2011. Both RBIL and TDTT are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
RBIL vs. TDTT - Performance Comparison
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RBIL vs. TDTT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 1.49% | 2.91% |
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 0.69% | 4.60% |
Returns By Period
In the year-to-date period, RBIL achieves a 1.49% return, which is significantly higher than TDTT's 0.69% return.
RBIL
- 1D
- -0.16%
- 1M
- 0.83%
- YTD
- 1.49%
- 6M
- 2.00%
- 1Y
- 3.59%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
TDTT
- 1D
- -0.06%
- 1M
- -0.14%
- YTD
- 0.69%
- 6M
- 0.85%
- 1Y
- 3.66%
- 3Y*
- 4.29%
- 5Y*
- 3.00%
- 10Y*
- 3.03%
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RBIL vs. TDTT - Expense Ratio Comparison
RBIL has a 0.17% expense ratio, which is lower than TDTT's 0.18% 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
RBIL vs. TDTT — Risk / Return Rank
RBIL
TDTT
RBIL vs. TDTT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) and FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT). 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.
| RBIL | TDTT | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.46 | 1.56 | +1.89 |
Sortino ratioReturn per unit of downside risk | 5.46 | 2.31 | +3.15 |
Omega ratioGain probability vs. loss probability | 1.90 | 1.32 | +0.57 |
Calmar ratioReturn relative to maximum drawdown | 7.45 | 2.64 | +4.81 |
Martin ratioReturn relative to average drawdown | 32.50 | 8.57 | +23.93 |
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
| RBIL | TDTT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.46 | 1.56 | +1.89 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.82 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.90 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 3.89 | 0.68 | +3.22 |
Correlation
The correlation between RBIL and TDTT is 0.30, 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
RBIL vs. TDTT - Dividend Comparison
RBIL's dividend yield for the trailing twelve months is around 4.43%, more than TDTT's 3.70% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 4.43% | 3.65% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 3.70% | 4.52% | 4.01% | 3.88% | 6.97% | 4.53% | 1.15% | 1.91% | 2.48% | 1.88% | 1.01% |
Drawdowns
RBIL vs. TDTT - Drawdown Comparison
The maximum RBIL drawdown since its inception was -0.50%, smaller than the maximum TDTT drawdown of -6.97%. Use the drawdown chart below to compare losses from any high point for RBIL and TDTT.
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Drawdown Indicators
| RBIL | TDTT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.50% | -6.97% | +6.47% |
Max Drawdown (1Y)Largest decline over 1 year | -0.50% | -1.40% | +0.90% |
Max Drawdown (5Y)Largest decline over 5 years | — | -6.97% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -6.97% | — |
Current DrawdownCurrent decline from peak | -0.24% | -0.51% | +0.27% |
Average DrawdownAverage peak-to-trough decline | -0.06% | -1.62% | +1.56% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.11% | 0.43% | -0.32% |
Volatility
RBIL vs. TDTT - Volatility Comparison
The current volatility for F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) is 0.61%, while FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT) has a volatility of 0.65%. This indicates that RBIL experiences smaller price fluctuations and is considered to be less risky than TDTT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RBIL | TDTT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.61% | 0.65% | -0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 0.69% | 1.19% | -0.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.05% | 2.35% | -1.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.04% | 3.68% | -2.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.04% | 3.38% | -2.34% |