USDU vs. GSY
USDU (WisdomTree Bloomberg U.S. Dollar Bullish Fund) and GSY (Invesco Ultra Short Duration ETF) are both exchange-traded funds - USDU is a Currency fund actively managed by WisdomTree, while GSY is a Ultrashort Bond fund actively managed by Invesco. Both are actively managed. Over the past 10 years, USDU returned 2.94%/yr vs 2.86%/yr for GSY. At a correlation of -0.15, they often move in opposite directions. USDU charges 0.51%/yr vs 0.22%/yr for GSY.
Performance
USDU vs. GSY - Performance Comparison
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Returns By Period
In the year-to-date period, USDU achieves a 3.14% return, which is significantly higher than GSY's 1.76% return. Both investments have delivered pretty close results over the past 10 years, with USDU having a 2.94% annualized return and GSY not far behind at 2.86%.
USDU
- 1D
- 0.38%
- 1M
- 1.76%
- YTD
- 3.14%
- 6M
- 2.92%
- 1Y
- 5.37%
- 3Y*
- 5.46%
- 5Y*
- 5.25%
- 10Y*
- 2.94%
GSY
- 1D
- 0.04%
- 1M
- 0.32%
- YTD
- 1.76%
- 6M
- 1.90%
- 1Y
- 4.41%
- 3Y*
- 5.46%
- 5Y*
- 3.69%
- 10Y*
- 2.86%
USDU vs. GSY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
USDU WisdomTree Bloomberg U.S. Dollar Bullish Fund | 3.14% | -3.14% | 14.56% | 3.10% | 7.67% | 4.07% | -5.43% | 1.54% | 5.40% | -7.44% |
GSY Invesco Ultra Short Duration ETF | 1.76% | 4.96% | 5.95% | 5.99% | 0.01% | 0.03% | 1.88% | 3.39% | 2.18% | 1.86% |
Correlation
The correlation between USDU and GSY is -0.32, 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 | -0.32 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.34 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.19 |
Correlation (All Time) Calculated using the full available price history since Dec 18, 2013 | -0.15 |
The correlation between USDU and GSY shifts across timeframes, from -0.34 (3 years) to -0.15 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
USDU vs. GSY — Risk / Return Rank
USDU
GSY
USDU vs. GSY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for WisdomTree Bloomberg U.S. Dollar Bullish Fund (USDU) and Invesco Ultra Short Duration ETF (GSY). 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.
| USDU | GSY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -9.86 | ||
| Sortino ratioReturn per unit of downside risk | -23.85 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 6.08 | -4.90 |
| Calmar ratioReturn relative to maximum drawdown | 1.51 | 74.67 | -73.16 |
| Martin ratioReturn relative to average drawdown | 4.10 | 350.46 | -346.36 |
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Drawdowns
USDU vs. GSY - Drawdown Comparison
The maximum USDU drawdown since its inception was -14.54%, which is greater than GSY's maximum drawdown of -12.14%. Use the drawdown chart below to compare losses from any high point for USDU and GSY.
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Drawdown Indicators
| USDU | GSY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.54% | -12.14% | -2.40% |
Max Drawdown (1Y)Largest decline over 1 year | -3.64% | -0.06% | -3.58% |
Max Drawdown (3Y)Largest decline over 3 years | -7.73% | -0.18% | -7.55% |
Max Drawdown (5Y)Largest decline over 5 years | -9.28% | -1.48% | -7.80% |
Max Drawdown (10Y)Largest decline over 10 years | -14.54% | -5.25% | -9.29% |
Current DrawdownCurrent decline from peak | -1.06% | -0.02% | -1.04% |
Average DrawdownAverage peak-to-trough decline | -4.71% | -2.38% | -2.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.34% | 0.01% | +1.33% |
Volatility
USDU vs. GSY - Volatility Comparison
WisdomTree Bloomberg U.S. Dollar Bullish Fund (USDU) has a higher volatility of 1.43% compared to Invesco Ultra Short Duration ETF (GSY) at 0.15%. This indicates that USDU's price experiences larger fluctuations and is considered to be riskier than GSY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| USDU | GSY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.43% | 0.15% | +1.28% |
Volatility (6M)Calculated over the trailing 6-month period | 4.42% | 0.31% | +4.11% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.66% | 0.41% | +5.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.62% | 0.58% | +6.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.45% | 1.22% | +6.23% |
USDU vs. GSY - Expense Ratio Comparison
USDU has a 0.51% expense ratio, which is higher than GSY's 0.22% expense ratio.
Dividends
USDU vs. GSY - Dividend Comparison
USDU's dividend yield for the trailing twelve months is around 3.71%, less than GSY's 4.33% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GSY Invesco Ultra Short Duration ETF | 4.33% | 4.56% | 5.31% | 4.95% | 1.70% | 0.58% | 1.45% | 2.71% | 2.30% | 1.80% | 1.21% | 1.17% |
USDU WisdomTree Bloomberg U.S. Dollar Bullish Fund | 3.71% | 3.83% | 3.97% | 6.99% | 7.83% | 0.00% | 0.69% | 3.06% | 0.88% | 0.00% | 0.00% | 6.48% |
Frequently Asked Questions
USDU and GSY have a correlation of -0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
USDU has higher volatility (1.43%) compared to GSY (0.15%). In terms of maximum drawdown, USDU dropped -14.54% vs GSY's -12.14%.
On 10-year performance, USDU leads with 2.94% vs 2.86% for GSY. On fees, GSY is cheaper at 0.22% per year. On volatility, GSY has been the lower-risk option at 0.15%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, USDU has performed better with a 2.94% return vs 2.86%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
GSY is cheaper with a 0.22% expense ratio, compared with 0.51% for USDU.
GSY has the higher dividend yield at 4.33%, compared with 3.71% for USDU.
USDU is categorized as Currency, while GSY is Ultrashort Bond. They also come from different issuers: WisdomTree and Invesco. Their fees differ too: 0.51% for USDU and 0.22% for GSY.
GSY currently has the higher Sharpe Ratio (10.83 vs 0.97), 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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