RBIL vs. CBTA
RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) and CBTA (Calamos Bitcoin 80 Series Structured Alt Protection ETF - April) are both exchange-traded funds - RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index, while CBTA is a Defined Outcome fund tracking the CBOE Bitcoin US ETF Index. Both are passively managed. Over the past year, RBIL returned 3.92% vs -33.12% for CBTA. Their -0.09 correlation means they have often moved in opposite directions in the past. RBIL charges 0.17%/yr vs 0.69%/yr for CBTA.
Performance
RBIL vs. CBTA - 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 CBTA's -24.45% return.
RBIL
- 1D
- -0.02%
- 1M
- 0.24%
- 6M
- 2.36%
- YTD
- 2.68%
- 1Y
- 3.92%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 3.88%
CBTA
- 1D
- 0.83%
- 1M
- 2.26%
- 6M
- -16.28%
- YTD
- -24.45%
- 1Y
- -33.12%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -11.98%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $19.28K | $37.33K | $32.42K | |
| $1.11M | $1.90M | $2.32M |
RBIL vs. CBTA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 2.68% | 1.84% |
CBTA Calamos Bitcoin 80 Series Structured Alt Protection ETF - April | -24.45% | 11.82% |
Correlation
The correlation between RBIL and CBTA is -0.12, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.
| 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 Apr 7, 2025 | -0.09 |
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Return for Risk
RBIL vs. CBTA — Risk / Return Rank
RBIL
CBTA
RBIL vs. CBTA - 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 Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA). 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 | CBTA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +5.24 | ||
| Sortino ratioReturn per unit of downside risk | +7.94 | ||
| Omega ratioGain probability vs. loss probability | 2.05 | 0.81 | +1.24 |
| Calmar ratioReturn relative to maximum drawdown | 7.00 | -0.83 | +7.84 |
| Martin ratioReturn relative to average drawdown | 28.60 | -1.32 | +29.92 |
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Drawdowns
RBIL vs. CBTA - Drawdown Comparison
The maximum RBIL drawdown since its inception was -0.56%, smaller than the maximum CBTA drawdown of -39.83%. Use the drawdown chart below to compare losses from any high point for RBIL and CBTA.
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Drawdown Indicators
| RBIL | CBTA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.56% | -39.83% | +39.27% |
Max Drawdown (1Y)Largest decline over 1 year | -0.56% | -39.83% | +39.27% |
Current DrawdownCurrent decline from peak | -0.15% | -36.91% | +36.76% |
Average DrawdownAverage peak-to-trough decline | -0.08% | -15.96% | +15.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.14% | 25.05% | -24.91% |
Volatility
RBIL vs. CBTA - Volatility Comparison
The current volatility for F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) is 0.30%, while Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) has a volatility of 4.88%. This indicates that RBIL experiences smaller price fluctuations and is considered to be less risky than CBTA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RBIL | CBTA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.30% | 4.88% | -4.58% |
Volatility (6M)Calculated over the trailing 6-month period | 0.90% | 21.40% | -20.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.96% | 29.44% | -28.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.06% | 26.78% | -25.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.06% | 26.78% | -25.72% |
RBIL vs. CBTA - Expense Ratio Comparison
RBIL has a 0.17% expense ratio, which is lower than CBTA's 0.69% expense ratio.
Dividends
RBIL vs. CBTA - Dividend Comparison
RBIL's dividend yield for the trailing twelve months is around 4.16%, more than CBTA's 1.18% yield.
| Position | TTM | 2025 |
|---|---|---|
CBTA Calamos Bitcoin 80 Series Structured Alt Protection ETF - April | 1.18% | 0.89% |
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 4.16% | 3.65% |
Frequently Asked Questions
RBIL and CBTA 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.
CBTA has higher volatility (4.88%) compared to RBIL (0.30%). In terms of maximum drawdown, RBIL dropped -0.56% vs CBTA's -39.83%.
On 1-year performance, RBIL leads with 3.92% vs -33.12% for CBTA. On fees, RBIL is cheaper at 0.17% per year. On volatility, RBIL has been the lower-risk option at 0.30%. 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 -33.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
RBIL is cheaper with a 0.17% expense ratio, compared with 0.69% for CBTA.
RBIL has the higher dividend yield at 4.16%, compared with 1.18% for CBTA.
RBIL is categorized as Inflation-Protected Bonds, while CBTA is Defined Outcome. RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index, while CBTA tracks CBOE Bitcoin US ETF Index. They also come from different issuers: F/m and Calamos. Their fees differ too: 0.17% for RBIL and 0.69% for CBTA.
RBIL currently has the higher Sharpe Ratio (4.11 vs -1.13), 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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