RBIL vs. TBIL
RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) and TBIL (F/m US Treasury 3 Month Bill ETF) are both exchange-traded funds - RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index, while TBIL is a Ultrashort Bond fund tracking the Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index. Both are passively managed. Over the past year, RBIL returned 3.92% vs 3.85% for TBIL. Their 0.12 correlation means their historical movements had little consistent relationship. RBIL charges 0.17%/yr vs 0.15%/yr for TBIL.
Performance
RBIL vs. TBIL - Performance Comparison
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Returns By Period
In the year-to-date period, RBIL achieves a 2.68% return, which is significantly higher than TBIL's 2.11% return.
RBIL
- 1D
- -0.02%
- 1M
- 0.24%
- 6M
- 2.36%
- YTD
- 2.68%
- 1Y
- 3.92%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 3.88%
TBIL
- 1D
- 0.00%
- 1M
- 0.28%
- 6M
- 1.80%
- YTD
- 2.11%
- 1Y
- 3.85%
- 3Y*
- 4.55%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 4.49%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.11M | $1.90M | $2.32M | |
| $85.10M | $79.65M | $91.28M |
RBIL vs. TBIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 2.68% | 2.85% |
TBIL F/m US Treasury 3 Month Bill ETF | 2.11% | 3.56% |
Correlation
The correlation between RBIL and TBIL is 0.12, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.12 |
Correlation (All Time) Calculated using the full available price history since Feb 25, 2025 | 0.12 |
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Return for Risk
RBIL vs. TBIL — Risk / Return Rank
RBIL
TBIL
RBIL vs. TBIL - 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 F/m US Treasury 3 Month Bill ETF (TBIL). 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.
| RBIL | TBIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -9.92 | ||
| Sortino ratioReturn per unit of downside risk | -61.49 | ||
| Omega ratioGain probability vs. loss probability | 2.05 | 22.61 | -20.56 |
| Calmar ratioReturn relative to maximum drawdown | 7.00 | 192.87 | -185.87 |
| Martin ratioReturn relative to average drawdown | 28.60 | 1,097.12 | -1,068.52 |
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Drawdowns
RBIL vs. TBIL - Drawdown Comparison
The maximum RBIL drawdown since its inception was -0.56%, which is greater than TBIL's maximum drawdown of -0.10%. Use the drawdown chart below to compare losses from any high point for RBIL and TBIL.
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Drawdown Indicators
| RBIL | TBIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.56% | -0.10% | -0.46% |
Max Drawdown (1Y)Largest decline over 1 year | -0.56% | -0.02% | -0.54% |
Max Drawdown (3Y)Largest decline over 3 years | — | -0.02% | — |
Current DrawdownCurrent decline from peak | -0.15% | 0.00% | -0.15% |
Average DrawdownAverage peak-to-trough decline | -0.08% | 0.00% | -0.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.14% | 0.00% | +0.14% |
Volatility
RBIL vs. TBIL - Volatility Comparison
F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) has a higher volatility of 0.30% compared to F/m US Treasury 3 Month Bill ETF (TBIL) at 0.07%. This indicates that RBIL's price experiences larger fluctuations and is considered to be riskier than TBIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RBIL | TBIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.30% | 0.07% | +0.23% |
Volatility (6M)Calculated over the trailing 6-month period | 0.90% | 0.20% | +0.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.96% | 0.28% | +0.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.06% | 0.32% | +0.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.06% | 0.32% | +0.74% |
RBIL vs. TBIL - Expense Ratio Comparison
RBIL has a 0.17% expense ratio, which is higher than TBIL's 0.15% 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
RBIL vs. TBIL - Dividend Comparison
RBIL's dividend yield for the trailing twelve months is around 4.16%, more than TBIL's 3.69% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 4.16% | 3.65% | 0.00% | 0.00% | 0.00% |
TBIL F/m US Treasury 3 Month Bill ETF | 3.69% | 4.07% | 5.02% | 5.00% | 1.10% |
Frequently Asked Questions
RBIL and TBIL 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.
RBIL has higher volatility (0.30%) compared to TBIL (0.07%). In terms of maximum drawdown, RBIL dropped -0.56% vs TBIL's -0.10%.
On 1-year performance, RBIL leads with 3.92% vs 3.85% for TBIL. On fees, TBIL is cheaper at 0.15% per year. On volatility, TBIL 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, RBIL has performed better with a 3.92% return vs 3.85%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
TBIL is cheaper with a 0.15% expense ratio, compared with 0.17% for RBIL.
RBIL has the higher dividend yield at 4.16%, compared with 3.69% for TBIL.
RBIL is categorized as Inflation-Protected Bonds, while TBIL is Ultrashort Bond. RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index, while TBIL tracks Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index. Their fees differ too: 0.17% for RBIL and 0.15% for TBIL.
TBIL currently has the higher Sharpe Ratio (14.03 vs 4.11), 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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