EVMO vs. BIL
EVMO (Eaton Vance Mortgage Opportunities ETF) and BIL (SPDR Bloomberg 1-3 Month T-Bill ETF) are both exchange-traded funds - EVMO is a Mortgage Backed Securities fund actively managed by Eaton Vance, while BIL is a Government Bonds fund tracking the Bloomberg 1-3 Month U.S. Treasury Bill Index. EVMO is actively managed, while BIL is passively managed. Their -0.09 correlation means they have often moved in opposite directions in the past. EVMO charges 0.45%/yr vs 0.14%/yr for BIL.
Performance
EVMO vs. BIL - Performance Comparison
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Returns By Period
In the year-to-date period, EVMO achieves a 0.65% return, which is significantly lower than BIL's 2.08% return.
EVMO
- 1D
- -0.29%
- 1M
- -0.53%
- 6M
- 0.19%
- YTD
- 0.65%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
BIL
- 1D
- 0.03%
- 1M
- 0.26%
- 6M
- 1.78%
- YTD
- 2.08%
- 1Y
- 3.76%
- 3Y*
- 4.56%
- 5Y*
- 3.54%
- 10Y*
- 2.24%
- ALL TIME*
- 1.37%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $778.54M | $838.53M | $900.58M | |
| $2.64M | $3.32M | $3.09M |
EVMO vs. BIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
EVMO Eaton Vance Mortgage Opportunities ETF | 0.65% | 3.37% |
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 2.08% | 1.64% |
Correlation
The correlation between EVMO and BIL is -0.09, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Aug 4, 2025 | -0.09 |
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Return for Risk
EVMO vs. BIL — Risk / Return Rank
EVMO
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
BIL
EVMO vs. BIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Eaton Vance Mortgage Opportunities ETF (EVMO) 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.
| EVMO | BIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 69.35 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 349.28 | — |
| Martin ratioReturn relative to average drawdown | — | 2,476.90 | — |
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Drawdowns
EVMO vs. BIL - Drawdown Comparison
The maximum EVMO drawdown since its inception was -1.89%, which is greater than BIL's maximum drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for EVMO and BIL.
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Drawdown Indicators
| EVMO | BIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.89% | -0.78% | -1.11% |
Max Drawdown (1Y)Largest decline over 1 year | — | -0.01% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -0.01% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -0.08% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -0.21% | — |
Current DrawdownCurrent decline from peak | -0.99% | 0.00% | -0.99% |
Average DrawdownAverage peak-to-trough decline | -0.45% | -0.26% | -0.19% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.00% | — |
Volatility
EVMO vs. BIL - Volatility Comparison
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Volatility by Period
| EVMO | BIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 0.07% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 0.14% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 2.90% | 0.20% | +2.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.90% | 0.26% | +2.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.90% | 0.26% | +2.64% |
EVMO vs. BIL - Expense Ratio Comparison
EVMO has a 0.45% expense ratio, which is higher than BIL's 0.14% expense ratio.
Dividends
EVMO vs. BIL - Dividend Comparison
EVMO's dividend yield for the trailing twelve months is around 4.99%, more than BIL's 3.81% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
BIL SPDR Bloomberg 1-3 Month T-Bill ETF | 3.46% | 4.13% | 5.03% | 4.92% | 1.35% | 0.00% | 0.30% | 2.05% | 1.66% | 0.68% | 0.07% |
EVMO Eaton Vance Mortgage Opportunities ETF | 4.99% | 1.95% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
EVMO and BIL have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, BIL is cheaper at 0.14% per year. The better choice depends on whether you care most about return, fees, risk, or income.
BIL is cheaper with a 0.14% expense ratio, compared with 0.45% for EVMO.
EVMO has the higher dividend yield at 4.99%, compared with 3.46% for BIL.
EVMO is categorized as Mortgage Backed Securities, while BIL is Government Bonds. They also come from different issuers: Eaton Vance and State Street. Their fees differ too: 0.45% for EVMO and 0.14% for BIL.
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