SDSI vs. SHAG
SDSI (American Century Short Duration Strategic Income ETF) and SHAG (WisdomTree Yield Enhanced U.S. Short-Term Aggregate Bond ETF) are both Short-Term Bond funds - SDSI tracks the Bloomberg U.S. 1-3 Year Government/Credit Bond Index while SHAG tracks the Bloomberg U.S. Short Aggregate Enhanced Yield Index. Both are passively managed. Over the past 3 years, SDSI returned 5.85%/yr vs 4.79%/yr for SHAG. Their correlation of 0.81 suggests significant overlap in exposure. SDSI charges 0.33%/yr vs 0.12%/yr for SHAG.
Performance
SDSI vs. SHAG - Performance Comparison
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Returns By Period
In the year-to-date period, SDSI achieves a 1.41% return, which is significantly higher than SHAG's 0.65% return.
SDSI
- 1D
- 0.02%
- 1M
- 0.29%
- YTD
- 1.41%
- 6M
- 1.49%
- 1Y
- 4.74%
- 3Y*
- 5.85%
- 5Y*
- —
- 10Y*
- —
SHAG
- 1D
- 0.01%
- 1M
- 0.28%
- YTD
- 0.65%
- 6M
- 0.76%
- 1Y
- 3.41%
- 3Y*
- 4.79%
- 5Y*
- 1.68%
- 10Y*
- —
SDSI vs. SHAG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
SDSI American Century Short Duration Strategic Income ETF | 1.41% | 6.54% | 5.63% | 5.88% | 1.99% |
SHAG WisdomTree Yield Enhanced U.S. Short-Term Aggregate Bond ETF | 0.65% | 6.27% | 4.30% | 4.61% | 1.46% |
Correlation
The correlation between SDSI and SHAG is 0.70, 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 | 0.70 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.77 |
Correlation (All Time) Calculated using the full available price history since Oct 13, 2022 | 0.81 |
The correlation between SDSI and SHAG shifts across timeframes, from 0.70 (1 year) to 0.81 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
SDSI vs. SHAG — Risk / Return Rank
SDSI
SHAG
SDSI vs. SHAG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Short Duration Strategic Income ETF (SDSI) and WisdomTree Yield Enhanced U.S. Short-Term Aggregate Bond ETF (SHAG). 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 | SHAG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.12 | ||
| Sortino ratioReturn per unit of downside risk | +1.62 | ||
| Omega ratioGain probability vs. loss probability | 1.60 | 1.35 | +0.25 |
| Calmar ratioReturn relative to maximum drawdown | 4.07 | 2.48 | +1.58 |
| Martin ratioReturn relative to average drawdown | 19.15 | 8.37 | +10.78 |
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Drawdowns
SDSI vs. SHAG - Drawdown Comparison
The maximum SDSI drawdown since its inception was -1.29%, smaller than the maximum SHAG drawdown of -9.62%. Use the drawdown chart below to compare losses from any high point for SDSI and SHAG.
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Drawdown Indicators
| SDSI | SHAG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.29% | -9.62% | +8.33% |
Max Drawdown (1Y)Largest decline over 1 year | -1.17% | -1.38% | +0.21% |
Max Drawdown (3Y)Largest decline over 3 years | -1.29% | -1.38% | +0.09% |
Max Drawdown (5Y)Largest decline over 5 years | — | -9.62% | — |
Current DrawdownCurrent decline from peak | -0.01% | -0.37% | +0.36% |
Average DrawdownAverage peak-to-trough decline | -0.24% | -1.86% | +1.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.25% | 0.41% | -0.16% |
Volatility
SDSI vs. SHAG - Volatility Comparison
The current volatility for American Century Short Duration Strategic Income ETF (SDSI) is 0.48%, while WisdomTree Yield Enhanced U.S. Short-Term Aggregate Bond ETF (SHAG) has a volatility of 0.62%. This indicates that SDSI experiences smaller price fluctuations and is considered to be less risky than SHAG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SDSI | SHAG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.48% | 0.62% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 1.18% | 1.41% | -0.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.60% | 1.86% | -0.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.27% | 2.76% | -0.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.27% | 2.58% | -0.31% |
SDSI vs. SHAG - Expense Ratio Comparison
SDSI has a 0.33% expense ratio, which is higher than SHAG's 0.12% expense ratio.
Dividends
SDSI vs. SHAG - Dividend Comparison
SDSI's dividend yield for the trailing twelve months is around 4.78%, more than SHAG's 4.32% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
SDSI American Century Short Duration Strategic Income ETF | 4.78% | 4.91% | 5.49% | 5.37% | 0.98% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SHAG WisdomTree Yield Enhanced U.S. Short-Term Aggregate Bond ETF | 4.32% | 4.33% | 4.49% | 3.04% | 1.38% | 0.92% | 2.33% | 2.71% | 2.56% | 0.77% |
Frequently Asked Questions
SDSI and SHAG have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SHAG has higher volatility (0.62%) compared to SDSI (0.48%). In terms of maximum drawdown, SDSI dropped -1.29% vs SHAG's -9.62%.
On 3-year performance, SDSI leads with 5.85% vs 4.79% for SHAG. On fees, SHAG is cheaper at 0.12% per year. On volatility, SDSI has been the lower-risk option at 0.48%. 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 4.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SHAG is cheaper with a 0.12% expense ratio, compared with 0.33% for SDSI.
SDSI has the higher dividend yield at 4.78%, compared with 4.32% for SHAG.
SDSI tracks Bloomberg U.S. 1-3 Year Government/Credit Bond Index, while SHAG tracks Bloomberg U.S. Short Aggregate Enhanced Yield Index. They also come from different issuers: American Century and WisdomTree. Their fees differ too: 0.33% for SDSI and 0.12% for SHAG.
SDSI currently has the higher Sharpe Ratio (2.97 vs 1.85), 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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