SPMB vs. SGOV
Compare and contrast key facts about SPDR Portfolio Mortgage Backed Bond ETF (SPMB) and iShares 0-3 Month Treasury Bond ETF (SGOV).
SPMB and SGOV are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SPMB is a passively managed fund by State Street that tracks the performance of the Bloomberg US Aggregate Securitized - MBS. It was launched on Jan 15, 2009. SGOV is a passively managed fund by iShares that tracks the performance of the ICE 0-3 Month US Treasury Securities Index. It was launched on May 26, 2020. Both SPMB and SGOV 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
SPMB vs. SGOV - Performance Comparison
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SPMB vs. SGOV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
SPMB SPDR Portfolio Mortgage Backed Bond ETF | 0.51% | 8.29% | 1.35% | 5.09% | -12.05% | -1.46% | 0.37% |
SGOV iShares 0-3 Month Treasury Bond ETF | 0.86% | 4.24% | 5.27% | 5.12% | 1.58% | 0.04% | 0.05% |
Returns By Period
In the year-to-date period, SPMB achieves a 0.51% return, which is significantly lower than SGOV's 0.86% return.
SPMB
- 1D
- 0.31%
- 1M
- -1.58%
- YTD
- 0.51%
- 6M
- 1.98%
- 1Y
- 5.73%
- 3Y*
- 4.11%
- 5Y*
- 0.37%
- 10Y*
- 1.29%
SGOV
- 1D
- 0.00%
- 1M
- 0.29%
- YTD
- 0.86%
- 6M
- 1.88%
- 1Y
- 4.07%
- 3Y*
- 4.79%
- 5Y*
- 3.40%
- 10Y*
- —
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SPMB vs. SGOV - Expense Ratio Comparison
SPMB has a 0.04% expense ratio, which is lower than SGOV's 0.09% 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
SPMB vs. SGOV — Risk / Return Rank
SPMB
SGOV
SPMB vs. SGOV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio Mortgage Backed Bond ETF (SPMB) and iShares 0-3 Month Treasury Bond ETF (SGOV). 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.
| SPMB | SGOV | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.18 | 20.61 | -19.43 |
Sortino ratioReturn per unit of downside risk | 1.69 | 284.11 | -282.42 |
Omega ratioGain probability vs. loss probability | 1.21 | 201.50 | -200.28 |
Calmar ratioReturn relative to maximum drawdown | 2.01 | 408.95 | -406.94 |
Martin ratioReturn relative to average drawdown | 5.76 | 4,591.55 | -4,585.79 |
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
| SPMB | SGOV | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.18 | 20.61 | -19.43 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.05 | 14.11 | -14.06 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.17 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.34 | 12.33 | -12.00 |
Correlation
The correlation between SPMB and SGOV is 0.02, 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
SPMB vs. SGOV - Dividend Comparison
SPMB's dividend yield for the trailing twelve months is around 4.02%, which matches SGOV's 3.99% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPMB SPDR Portfolio Mortgage Backed Bond ETF | 4.02% | 3.98% | 3.76% | 3.21% | 2.98% | 2.59% | 2.95% | 3.24% | 3.36% | 3.13% | 2.99% | 3.05% |
SGOV iShares 0-3 Month Treasury Bond ETF | 3.99% | 4.10% | 5.10% | 4.87% | 1.45% | 0.03% | 0.05% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
SPMB vs. SGOV - Drawdown Comparison
The maximum SPMB drawdown since its inception was -18.03%, which is greater than SGOV's maximum drawdown of -0.03%. Use the drawdown chart below to compare losses from any high point for SPMB and SGOV.
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Drawdown Indicators
| SPMB | SGOV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.03% | -0.03% | -18.00% |
Max Drawdown (1Y)Largest decline over 1 year | -2.93% | -0.01% | -2.92% |
Max Drawdown (5Y)Largest decline over 5 years | -17.49% | -0.03% | -17.46% |
Max Drawdown (10Y)Largest decline over 10 years | -18.03% | — | — |
Current DrawdownCurrent decline from peak | -1.58% | 0.00% | -1.58% |
Average DrawdownAverage peak-to-trough decline | -2.87% | 0.00% | -2.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.02% | 0.00% | +1.02% |
Volatility
SPMB vs. SGOV - Volatility Comparison
SPDR Portfolio Mortgage Backed Bond ETF (SPMB) has a higher volatility of 1.83% compared to iShares 0-3 Month Treasury Bond ETF (SGOV) at 0.06%. This indicates that SPMB's price experiences larger fluctuations and is considered to be riskier than SGOV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPMB | SGOV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.83% | 0.06% | +1.77% |
Volatility (6M)Calculated over the trailing 6-month period | 2.77% | 0.13% | +2.64% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.88% | 0.20% | +4.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.73% | 0.24% | +6.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.59% | 0.24% | +7.35% |