SDSI vs. CMDT
SDSI (American Century Short Duration Strategic Income ETF) and CMDT (PIMCO Commodity Strategy Active Exchange-Traded Fund) 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 CMDT is a Commodities fund tracking the Bloomberg Roll Select Commodity Total Return Index. Both are passively managed. Over the past 3 years, SDSI returned 5.85%/yr vs 12.77%/yr for CMDT. At a correlation of -0.07, they often move in opposite directions. SDSI charges 0.33%/yr vs 0.65%/yr for CMDT.
Performance
SDSI vs. CMDT - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SDSI achieves a 1.33% return, which is significantly lower than CMDT's 15.54% return.
SDSI
- 1D
- 0.15%
- 1M
- 0.35%
- YTD
- 1.33%
- 6M
- 1.40%
- 1Y
- 4.94%
- 3Y*
- 5.85%
- 5Y*
- —
- 10Y*
- —
CMDT
- 1D
- -0.25%
- 1M
- -7.42%
- YTD
- 15.54%
- 6M
- 17.31%
- 1Y
- 21.62%
- 3Y*
- 12.77%
- 5Y*
- —
- 10Y*
- —
SDSI vs. CMDT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
SDSI American Century Short Duration Strategic Income ETF | 1.33% | 6.54% | 5.63% | 3.41% |
CMDT PIMCO Commodity Strategy Active Exchange-Traded Fund | 15.54% | 12.78% | 6.93% | 5.37% |
Correlation
The correlation between SDSI and CMDT is -0.24, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.24 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.07 |
Correlation (All Time) Calculated using the full available price history since May 10, 2023 | -0.07 |
The correlation between SDSI and CMDT shifts across timeframes, from -0.24 (1 year) to -0.07 (3 years), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
SDSI vs. CMDT — Risk / Return Rank
SDSI
CMDT
SDSI vs. CMDT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Short Duration Strategic Income ETF (SDSI) and PIMCO Commodity Strategy Active Exchange-Traded Fund (CMDT). 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 | CMDT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.46 | ||
| Sortino ratioReturn per unit of downside risk | +2.46 | ||
| Omega ratioGain probability vs. loss probability | 1.65 | 1.30 | +0.36 |
| Calmar ratioReturn relative to maximum drawdown | 4.42 | 2.30 | +2.11 |
| Martin ratioReturn relative to average drawdown | 20.82 | 9.95 | +10.88 |
Loading charts...
Drawdowns
SDSI vs. CMDT - Drawdown Comparison
The maximum SDSI drawdown since its inception was -1.29%, smaller than the maximum CMDT drawdown of -9.69%. Use the drawdown chart below to compare losses from any high point for SDSI and CMDT.
Loading charts...
Drawdown Indicators
| SDSI | CMDT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.29% | -9.69% | +8.40% |
Max Drawdown (1Y)Largest decline over 1 year | -1.17% | -9.46% | +8.29% |
Max Drawdown (3Y)Largest decline over 3 years | -1.29% | -9.69% | +8.40% |
Current DrawdownCurrent decline from peak | -0.09% | -9.46% | +9.37% |
Average DrawdownAverage peak-to-trough decline | -0.24% | -2.75% | +2.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.25% | 2.19% | -1.94% |
Volatility
SDSI vs. CMDT - Volatility Comparison
The current volatility for American Century Short Duration Strategic Income ETF (SDSI) is 0.50%, while PIMCO Commodity Strategy Active Exchange-Traded Fund (CMDT) has a volatility of 3.30%. This indicates that SDSI experiences smaller price fluctuations and is considered to be less risky than CMDT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SDSI | CMDT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.50% | 3.30% | -2.80% |
Volatility (6M)Calculated over the trailing 6-month period | 1.19% | 10.50% | -9.31% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.62% | 12.57% | -10.95% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.28% | 12.23% | -9.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.28% | 12.23% | -9.95% |
SDSI vs. CMDT - Expense Ratio Comparison
SDSI has a 0.33% expense ratio, which is lower than CMDT's 0.65% expense ratio.
Dividends
SDSI vs. CMDT - Dividend Comparison
SDSI's dividend yield for the trailing twelve months is around 4.79%, more than CMDT's 2.62% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
CMDT PIMCO Commodity Strategy Active Exchange-Traded Fund | 2.62% | 3.04% | 8.80% | 2.71% | 0.00% |
SDSI American Century Short Duration Strategic Income ETF | 4.79% | 4.91% | 5.49% | 5.37% | 0.98% |
Frequently Asked Questions
SDSI and CMDT have a correlation of -0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CMDT has higher volatility (3.30%) compared to SDSI (0.50%). In terms of maximum drawdown, SDSI dropped -1.29% vs CMDT's -9.69%.
On 3-year performance, CMDT leads with 12.77% vs 5.85% for SDSI. On fees, SDSI is cheaper at 0.33% per year. On volatility, SDSI has been the lower-risk option at 0.50%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, CMDT has performed better with a 12.77% return vs 5.85%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SDSI is cheaper with a 0.33% expense ratio, compared with 0.65% for CMDT.
SDSI has the higher dividend yield at 4.79%, compared with 2.62% for CMDT.
SDSI is categorized as Short-Term Bond, while CMDT is Commodities. SDSI tracks Bloomberg U.S. 1-3 Year Government/Credit Bond Index, while CMDT tracks Bloomberg Roll Select Commodity Total Return Index. They also come from different issuers: American Century and PIMCO. Their fees differ too: 0.33% for SDSI and 0.65% for CMDT.
SDSI currently has the higher Sharpe Ratio (3.20 vs 1.73), 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.
Find the right allocation for SDSI and CMDT
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer