MUST vs. BIL
MUST (Columbia Multi-Sector Municipal Income ETF) and BIL (SPDR Bloomberg 1-3 Month T-Bill ETF) are both exchange-traded funds - MUST is a Money Market fund tracking the Bloomberg Beta Advantage Multi-Sector Municipal Bond Index, while BIL is a Government Bonds fund tracking the Bloomberg 1-3 Month U.S. Treasury Bill Index. Both are passively managed. Over the past 5 years, MUST returned 0.93%/yr vs 3.45%/yr for BIL. At a correlation of -0.01, they often move in opposite directions. MUST charges 0.23%/yr vs 0.14%/yr for BIL.
Performance
MUST vs. BIL - Performance Comparison
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Returns By Period
In the year-to-date period, MUST achieves a 2.04% return, which is significantly higher than BIL's 1.66% return.
MUST
- 1D
- 0.58%
- 1M
- 2.42%
- YTD
- 2.04%
- 6M
- 2.19%
- 1Y
- 6.80%
- 3Y*
- 3.55%
- 5Y*
- 0.93%
- 10Y*
- —
BIL
- 1D
- 0.00%
- 1M
- 0.27%
- YTD
- 1.66%
- 6M
- 1.75%
- 1Y
- 3.85%
- 3Y*
- 4.60%
- 5Y*
- 3.45%
- 10Y*
- 2.20%
MUST vs. BIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
MUST Columbia Multi-Sector Municipal Income ETF | 2.04% | 4.92% | 0.37% | 6.23% | -8.82% | 1.93% | 6.67% | 8.35% | 2.72% |
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 1.66% | 4.15% | 5.19% | 4.94% | 1.40% | -0.10% | 0.40% | 2.03% | 0.50% |
Correlation
The correlation between MUST and BIL is -0.11, 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 | -0.11 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.04 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.00 |
Correlation (All Time) Calculated using the full available price history since Oct 10, 2018 | -0.01 |
The correlation between MUST and BIL shifts across timeframes, from -0.11 (1 year) to -0.00 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
MUST vs. BIL — Risk / Return Rank
MUST
BIL
MUST vs. BIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Multi-Sector Municipal Income ETF (MUST) and SPDR Bloomberg 1-3 Month T-Bill ETF (BIL). 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.
| MUST | BIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -18.01 | ||
| Sortino ratioReturn per unit of downside risk | -171.17 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 87.41 | -86.15 |
| Calmar ratioReturn relative to maximum drawdown | 2.27 | 353.28 | -351.01 |
| Martin ratioReturn relative to average drawdown | 6.11 | 2,801.35 | -2,795.24 |
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Drawdowns
MUST vs. BIL - Drawdown Comparison
The maximum MUST drawdown since its inception was -13.83%, which is greater than BIL's maximum drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for MUST and BIL.
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Drawdown Indicators
| MUST | BIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.83% | -0.78% | -13.05% |
Max Drawdown (1Y)Largest decline over 1 year | -3.01% | -0.01% | -3.00% |
Max Drawdown (3Y)Largest decline over 3 years | -6.08% | -0.01% | -6.07% |
Max Drawdown (5Y)Largest decline over 5 years | -13.83% | -0.09% | -13.74% |
Max Drawdown (10Y)Largest decline over 10 years | — | -0.21% | — |
Current DrawdownCurrent decline from peak | -0.51% | 0.00% | -0.51% |
Average DrawdownAverage peak-to-trough decline | -3.39% | -0.26% | -3.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.12% | 0.00% | +1.12% |
Volatility
MUST vs. BIL - Volatility Comparison
Columbia Multi-Sector Municipal Income ETF (MUST) has a higher volatility of 1.61% compared to SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) at 0.07%. This indicates that MUST's price experiences larger fluctuations and is considered to be riskier than BIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MUST | BIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.61% | 0.07% | +1.54% |
Volatility (6M)Calculated over the trailing 6-month period | 3.61% | 0.14% | +3.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.03% | 0.20% | +4.83% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.44% | 0.26% | +5.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.58% | 0.26% | +5.32% |
MUST vs. BIL - Expense Ratio Comparison
MUST has a 0.23% expense ratio, which is higher than BIL's 0.14% 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
MUST vs. BIL - Dividend Comparison
MUST's dividend yield for the trailing twelve months is around 3.31%, less than BIL's 3.85% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 3.85% | 4.13% | 5.03% | 4.92% | 1.35% | 0.00% | 0.30% | 2.05% | 1.66% | 0.68% | 0.07% |
MUST Columbia Multi-Sector Municipal Income ETF | 3.31% | 3.28% | 3.13% | 2.51% | 1.76% | 1.62% | 2.33% | 2.70% | 0.55% | 0.00% | 0.00% |
Frequently Asked Questions
MUST and BIL have a correlation of -0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MUST has higher volatility (1.61%) compared to BIL (0.07%). In terms of maximum drawdown, MUST dropped -13.83% vs BIL's -0.78%.
On 5-year performance, BIL leads with 3.45% vs 0.93% for MUST. On fees, BIL is cheaper at 0.14% per year. On volatility, BIL 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 5-year period, BIL has performed better with a 3.45% return vs 0.93%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BIL is cheaper with a 0.14% expense ratio, compared with 0.23% for MUST.
BIL has the higher dividend yield at 3.85%, compared with 3.31% for MUST.
MUST is categorized as Money Market, while BIL is Government Bonds. MUST tracks Bloomberg Beta Advantage Multi-Sector Municipal Bond Index, while BIL tracks Bloomberg 1-3 Month U.S. Treasury Bill Index. They also come from different issuers: Ameriprise Financial and State Street. Their fees differ too: 0.23% for MUST and 0.14% for BIL.
BIL currently has the higher Sharpe Ratio (19.37 vs 1.36), 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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