VGLT vs. SDCI
VGLT (Vanguard Long-Term Treasury ETF) and SDCI (USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund) are both exchange-traded funds - VGLT is a Government Bonds fund tracking the Bloomberg U.S. Long Treasury Index, while SDCI is a Commodities fund tracking the SummerHaven Dynamic Commodity Index Total Return. Both are passively managed. Over the past 5 years, VGLT returned -5.17%/yr vs 19.51%/yr for SDCI. At a correlation of -0.13, they often move in opposite directions. VGLT charges 0.03%/yr vs 0.60%/yr for SDCI.
Performance
VGLT vs. SDCI - Performance Comparison
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Returns By Period
In the year-to-date period, VGLT achieves a 1.69% return, which is significantly lower than SDCI's 20.11% return.
VGLT
- 1D
- -0.05%
- 1M
- 2.68%
- YTD
- 1.69%
- 6M
- 1.06%
- 1Y
- 4.60%
- 3Y*
- -0.39%
- 5Y*
- -5.17%
- 10Y*
- -1.32%
SDCI
- 1D
- 1.53%
- 1M
- -5.94%
- YTD
- 20.11%
- 6M
- 17.81%
- 1Y
- 27.87%
- 3Y*
- 20.44%
- 5Y*
- 19.51%
- 10Y*
- —
VGLT vs. SDCI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
VGLT Vanguard Long-Term Treasury ETF | 1.69% | 5.35% | -6.28% | 3.27% | -29.34% | -4.98% | 17.57% | 14.30% | 4.62% |
SDCI USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund | 20.11% | 17.60% | 17.91% | -0.88% | 33.23% | 36.52% | -10.61% | -2.36% | -13.91% |
Correlation
The correlation between VGLT and SDCI is -0.30, 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 | -0.30 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.11 |
Correlation (All Time) Calculated using the full available price history since May 3, 2018 | -0.13 |
The correlation between VGLT and SDCI shifts across timeframes, from -0.30 (1 year) to -0.11 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
VGLT vs. SDCI — Risk / Return Rank
VGLT
SDCI
VGLT vs. SDCI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Long-Term Treasury ETF (VGLT) and USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund (SDCI). 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.
| VGLT | SDCI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.14 | ||
| Sortino ratioReturn per unit of downside risk | -1.42 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.28 | -0.19 |
| Calmar ratioReturn relative to maximum drawdown | 0.66 | 2.54 | -1.88 |
| Martin ratioReturn relative to average drawdown | 1.63 | 9.21 | -7.58 |
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Drawdowns
VGLT vs. SDCI - Drawdown Comparison
The maximum VGLT drawdown since its inception was -46.18%, roughly equal to the maximum SDCI drawdown of -45.79%. Use the drawdown chart below to compare losses from any high point for VGLT and SDCI.
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Drawdown Indicators
| VGLT | SDCI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.18% | -45.79% | -0.39% |
Max Drawdown (1Y)Largest decline over 1 year | -7.01% | -11.03% | +4.02% |
Max Drawdown (3Y)Largest decline over 3 years | -17.68% | -11.96% | -5.72% |
Max Drawdown (5Y)Largest decline over 5 years | -40.98% | -18.55% | -22.43% |
Max Drawdown (10Y)Largest decline over 10 years | -46.18% | — | — |
Current DrawdownCurrent decline from peak | -35.50% | -9.66% | -25.84% |
Average DrawdownAverage peak-to-trough decline | -15.13% | -11.55% | -3.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.83% | 3.03% | -0.20% |
Volatility
VGLT vs. SDCI - Volatility Comparison
The current volatility for Vanguard Long-Term Treasury ETF (VGLT) is 2.32%, while USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund (SDCI) has a volatility of 3.70%. This indicates that VGLT experiences smaller price fluctuations and is considered to be less risky than SDCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VGLT | SDCI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.32% | 3.70% | -1.38% |
Volatility (6M)Calculated over the trailing 6-month period | 6.18% | 14.38% | -8.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.67% | 16.76% | -8.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.54% | 18.39% | -3.85% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.80% | 17.06% | -3.26% |
VGLT vs. SDCI - Expense Ratio Comparison
VGLT has a 0.03% expense ratio, which is lower than SDCI's 0.60% expense ratio.
Dividends
VGLT vs. SDCI - Dividend Comparison
VGLT's dividend yield for the trailing twelve months is around 4.51%, more than SDCI's 3.06% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SDCI USCF SummerHaven Dynamic Commodity Strategy No K-1 Fund | 3.06% | 3.68% | 5.92% | 3.46% | 33.49% | 19.26% | 0.20% | 0.93% | 0.68% | 0.00% | 0.00% | 0.00% |
VGLT Vanguard Long-Term Treasury ETF | 4.51% | 4.44% | 4.33% | 3.33% | 2.84% | 1.82% | 2.15% | 2.46% | 2.71% | 2.55% | 2.69% | 3.21% |
Frequently Asked Questions
VGLT and SDCI have a correlation of -0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SDCI has higher volatility (3.70%) compared to VGLT (2.32%). In terms of maximum drawdown, VGLT dropped -46.18% vs SDCI's -45.79%.
On 5-year performance, SDCI leads with 19.51% vs -5.17% for VGLT. On fees, VGLT is cheaper at 0.03% per year. On volatility, VGLT has been the lower-risk option at 2.32%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, SDCI has performed better with a 19.51% return vs -5.17%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGLT is cheaper with a 0.03% expense ratio, compared with 0.60% for SDCI.
VGLT has the higher dividend yield at 4.51%, compared with 3.06% for SDCI.
VGLT is categorized as Government Bonds, while SDCI is Commodities. VGLT tracks Bloomberg U.S. Long Treasury Index, while SDCI tracks SummerHaven Dynamic Commodity Index Total Return. They also come from different issuers: Vanguard and USCF Investments. Their fees differ too: 0.03% for VGLT and 0.60% for SDCI.
SDCI currently has the higher Sharpe Ratio (1.67 vs 0.53), 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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