SPTS vs. SMBS
Compare and contrast key facts about SPDR Portfolio Short Term Treasury ETF (SPTS) and Schwab Mortgage-Backed Securities ETF (SMBS).
SPTS and SMBS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SPTS is a passively managed fund by State Street that tracks the performance of the Bloomberg U.S. Treasury 1-3 Year Index. It was launched on Nov 30, 2011. SMBS is a passively managed fund by Charles Schwab that tracks the performance of the Bloomberg US MBS Float Adjusted Total Return Index. It was launched on Nov 18, 2024. Both SPTS and SMBS 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
SPTS vs. SMBS - Performance Comparison
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SPTS vs. SMBS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
SPTS SPDR Portfolio Short Term Treasury ETF | 0.29% | 5.05% | 0.69% |
SMBS Schwab Mortgage-Backed Securities ETF | 0.36% | 8.15% | -0.07% |
Returns By Period
In the year-to-date period, SPTS achieves a 0.29% return, which is significantly lower than SMBS's 0.36% return.
SPTS
- 1D
- 0.07%
- 1M
- -0.43%
- YTD
- 0.29%
- 6M
- 1.46%
- 1Y
- 3.83%
- 3Y*
- 4.05%
- 5Y*
- 1.81%
- 10Y*
- 1.67%
SMBS
- 1D
- 0.20%
- 1M
- -1.67%
- YTD
- 0.36%
- 6M
- 1.92%
- 1Y
- 5.33%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
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SPTS vs. SMBS - Expense Ratio Comparison
Both SPTS and SMBS have an expense ratio of 0.03%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Return for Risk
SPTS vs. SMBS — Risk / Return Rank
SPTS
SMBS
SPTS vs. SMBS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio Short Term Treasury ETF (SPTS) and Schwab Mortgage-Backed Securities ETF (SMBS). 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.
| SPTS | SMBS | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.58 | 1.12 | +1.46 |
Sortino ratioReturn per unit of downside risk | 4.09 | 1.61 | +2.47 |
Omega ratioGain probability vs. loss probability | 1.55 | 1.20 | +0.35 |
Calmar ratioReturn relative to maximum drawdown | 4.64 | 1.94 | +2.70 |
Martin ratioReturn relative to average drawdown | 17.61 | 5.61 | +12.01 |
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
| SPTS | SMBS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.58 | 1.12 | +1.46 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.92 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.97 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 1.27 | -0.78 |
Correlation
The correlation between SPTS and SMBS is 0.72, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
SPTS vs. SMBS - Dividend Comparison
SPTS's dividend yield for the trailing twelve months is around 3.97%, less than SMBS's 4.80% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPTS SPDR Portfolio Short Term Treasury ETF | 3.97% | 3.99% | 4.25% | 3.61% | 1.27% | 0.19% | 0.70% | 2.21% | 2.04% | 1.20% | 0.95% | 0.83% |
SMBS Schwab Mortgage-Backed Securities ETF | 4.80% | 4.83% | 0.50% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
SPTS vs. SMBS - Drawdown Comparison
The maximum SPTS drawdown since its inception was -5.83%, which is greater than SMBS's maximum drawdown of -3.20%. Use the drawdown chart below to compare losses from any high point for SPTS and SMBS.
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Drawdown Indicators
| SPTS | SMBS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.83% | -3.20% | -2.63% |
Max Drawdown (1Y)Largest decline over 1 year | -0.84% | -2.83% | +1.99% |
Max Drawdown (5Y)Largest decline over 5 years | -5.71% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -5.71% | — | — |
Current DrawdownCurrent decline from peak | -0.43% | -1.67% | +1.24% |
Average DrawdownAverage peak-to-trough decline | -1.74% | -0.77% | -0.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.22% | 0.98% | -0.76% |
Volatility
SPTS vs. SMBS - Volatility Comparison
The current volatility for SPDR Portfolio Short Term Treasury ETF (SPTS) is 0.50%, while Schwab Mortgage-Backed Securities ETF (SMBS) has a volatility of 1.82%. This indicates that SPTS experiences smaller price fluctuations and is considered to be less risky than SMBS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPTS | SMBS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.50% | 1.82% | -1.32% |
Volatility (6M)Calculated over the trailing 6-month period | 0.88% | 2.75% | -1.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.49% | 4.77% | -3.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.98% | 4.92% | -2.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.73% | 4.92% | -3.19% |