SDSI vs. BBSB
SDSI (American Century Short Duration Strategic Income ETF) and BBSB (JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF) are both exchange-traded funds - SDSI is a Short-Term Bond fund tracking the Bloomberg U.S. 1-3 Year Government/Credit Bond Index, while BBSB is a Government Bonds fund tracking the ICE U.S. Treasury 1-3 Year Bond Index. Both are passively managed. Over the past 3 years, SDSI returned 5.85%/yr vs 4.17%/yr for BBSB. A 0.76 correlation means they provide meaningful diversification when combined. SDSI charges 0.33%/yr vs 0.04%/yr for BBSB.
Performance
SDSI vs. BBSB - Performance Comparison
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Returns By Period
In the year-to-date period, SDSI achieves a 1.35% return, which is significantly higher than BBSB's 0.39% return.
SDSI
- 1D
- 0.07%
- 1M
- 0.36%
- YTD
- 1.35%
- 6M
- 1.54%
- 1Y
- 4.84%
- 3Y*
- 5.85%
- 5Y*
- —
- 10Y*
- —
BBSB
- 1D
- -0.06%
- 1M
- 0.09%
- YTD
- 0.39%
- 6M
- 0.51%
- 1Y
- 3.03%
- 3Y*
- 4.17%
- 5Y*
- —
- 10Y*
- —
SDSI vs. BBSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
SDSI American Century Short Duration Strategic Income ETF | 1.35% | 6.54% | 5.63% | 4.02% |
BBSB JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF | 0.39% | 5.12% | 4.00% | 2.56% |
Correlation
The correlation between SDSI and BBSB is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.65 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.74 |
Correlation (All Time) Calculated using the full available price history since Apr 20, 2023 | 0.76 |
The correlation between SDSI and BBSB shifts across timeframes, from 0.65 (1 year) to 0.76 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
SDSI vs. BBSB — Risk / Return Rank
SDSI
BBSB
SDSI vs. BBSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Short Duration Strategic Income ETF (SDSI) and JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF (BBSB). 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.
| SDSI | BBSB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.64 | ||
| Sortino ratioReturn per unit of downside risk | +0.62 | ||
| Omega ratioGain probability vs. loss probability | 1.61 | 1.49 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 4.15 | 3.56 | +0.60 |
| Martin ratioReturn relative to average drawdown | 19.56 | 14.24 | +5.32 |
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Drawdowns
SDSI vs. BBSB - Drawdown Comparison
The maximum SDSI drawdown since its inception was -1.29%, smaller than the maximum BBSB drawdown of -1.57%. Use the drawdown chart below to compare losses from any high point for SDSI and BBSB.
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Drawdown Indicators
| SDSI | BBSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.29% | -1.57% | +0.28% |
Max Drawdown (1Y)Largest decline over 1 year | -1.17% | -0.86% | -0.31% |
Max Drawdown (3Y)Largest decline over 3 years | -1.29% | -0.96% | -0.33% |
Current DrawdownCurrent decline from peak | -0.07% | -0.33% | +0.26% |
Average DrawdownAverage peak-to-trough decline | -0.24% | -0.31% | +0.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.25% | 0.21% | +0.04% |
Volatility
SDSI vs. BBSB - Volatility Comparison
American Century Short Duration Strategic Income ETF (SDSI) has a higher volatility of 0.49% compared to JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF (BBSB) at 0.41%. This indicates that SDSI's price experiences larger fluctuations and is considered to be riskier than BBSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SDSI | BBSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.49% | 0.41% | +0.08% |
Volatility (6M)Calculated over the trailing 6-month period | 1.20% | 0.90% | +0.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.61% | 1.28% | +0.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.27% | 1.66% | +0.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.27% | 1.66% | +0.61% |
SDSI vs. BBSB - Expense Ratio Comparison
SDSI has a 0.33% expense ratio, which is higher than BBSB's 0.04% expense ratio.
Dividends
SDSI vs. BBSB - Dividend Comparison
SDSI's dividend yield for the trailing twelve months is around 4.78%, more than BBSB's 3.81% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
BBSB JPMorgan BetaBuilders U.S. Treasury Bond 1-3 Year ETF | 3.81% | 3.69% | 4.84% | 3.50% | 0.00% |
SDSI American Century Short Duration Strategic Income ETF | 4.78% | 4.91% | 5.49% | 5.37% | 0.98% |
Frequently Asked Questions
SDSI and BBSB have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SDSI has higher volatility (0.49%) compared to BBSB (0.41%). In terms of maximum drawdown, SDSI dropped -1.29% vs BBSB's -1.57%.
On 3-year performance, SDSI leads with 5.85% vs 4.17% for BBSB. On fees, BBSB is cheaper at 0.04% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, SDSI has performed better with a 5.85% return vs 4.17%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BBSB is cheaper with a 0.04% expense ratio, compared with 0.33% for SDSI.
SDSI has the higher dividend yield at 4.78%, compared with 3.81% for BBSB.
SDSI is categorized as Short-Term Bond, while BBSB is Government Bonds. SDSI tracks Bloomberg U.S. 1-3 Year Government/Credit Bond Index, while BBSB tracks ICE U.S. Treasury 1-3 Year Bond Index. They also come from different issuers: American Century and JPMorgan. Their fees differ too: 0.33% for SDSI and 0.04% for BBSB.
SDSI currently has the higher Sharpe Ratio (3.02 vs 2.39), 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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