TDTT vs. USDX
TDTT (FlexShares iBoxx 3-Year Target Duration TIPS Index Fund) and USDX (SGI Enhanced Core ETF) are both exchange-traded funds - TDTT is a Inflation-Protected Bonds fund tracking the iBoxx 3-Year Target Duration TIPS, while USDX is a Intermediate Core Bond fund actively managed by Summit Global Investments. TDTT is passively managed, while USDX is actively managed. Over the past year, TDTT returned 3.17% vs 6.41% for USDX. At a correlation of -0.03, they often move in opposite directions. TDTT charges 0.18%/yr vs 0.98%/yr for USDX.
Performance
TDTT vs. USDX - Performance Comparison
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Returns By Period
In the year-to-date period, TDTT achieves a 1.34% return, which is significantly lower than USDX's 2.59% return.
TDTT
- 1D
- -0.08%
- 1M
- -0.20%
- 6M
- 1.26%
- YTD
- 1.34%
- 1Y
- 3.17%
- 3Y*
- 4.90%
- 5Y*
- 2.65%
- 10Y*
- 3.01%
USDX
- 1D
- 0.12%
- 1M
- 0.31%
- 6M
- 2.43%
- YTD
- 2.59%
- 1Y
- 6.41%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
TDTT vs. USDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 1.34% | 6.67% | 4.18% |
USDX SGI Enhanced Core ETF | 2.59% | 6.25% | 6.87% |
Correlation
The correlation between TDTT and USDX is -0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.08 |
Correlation (All Time) Calculated using the full available price history since Feb 29, 2024 | -0.03 |
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Return for Risk
TDTT vs. USDX — Risk / Return Rank
TDTT
USDX
TDTT vs. USDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT) and SGI Enhanced Core ETF (USDX). 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.
| TDTT | USDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.47 | ||
| Sortino ratioReturn per unit of downside risk | -2.39 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.77 | -0.44 |
| Calmar ratioReturn relative to maximum drawdown | 3.29 | 6.87 | -3.58 |
| Martin ratioReturn relative to average drawdown | 9.42 | 43.69 | -34.27 |
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Drawdowns
TDTT vs. USDX - Drawdown Comparison
The maximum TDTT drawdown since its inception was -6.97%, which is greater than USDX's maximum drawdown of -0.94%. Use the drawdown chart below to compare losses from any high point for TDTT and USDX.
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Drawdown Indicators
| TDTT | USDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.97% | -0.94% | -6.03% |
Max Drawdown (1Y)Largest decline over 1 year | -0.97% | -0.94% | -0.03% |
Max Drawdown (3Y)Largest decline over 3 years | -1.53% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -6.97% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -6.97% | — | — |
Current DrawdownCurrent decline from peak | -0.59% | -0.06% | -0.53% |
Average DrawdownAverage peak-to-trough decline | -1.59% | -0.06% | -1.53% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.34% | 0.15% | +0.19% |
Volatility
TDTT vs. USDX - Volatility Comparison
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT) has a higher volatility of 0.81% compared to SGI Enhanced Core ETF (USDX) at 0.76%. This indicates that TDTT's price experiences larger fluctuations and is considered to be riskier than USDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TDTT | USDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.81% | 0.76% | +0.05% |
Volatility (6M)Calculated over the trailing 6-month period | 1.42% | 1.94% | -0.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.94% | 2.07% | -0.13% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.66% | 1.75% | +1.91% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.38% | 1.75% | +1.63% |
TDTT vs. USDX - Expense Ratio Comparison
TDTT has a 0.18% expense ratio, which is lower than USDX's 0.98% expense ratio.
Dividends
TDTT vs. USDX - Dividend Comparison
TDTT's dividend yield for the trailing twelve months is around 5.15%, less than USDX's 6.87% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 5.15% | 4.52% | 4.01% | 3.88% | 6.97% | 4.53% | 1.15% | 1.91% | 2.48% | 1.88% | 1.01% |
USDX SGI Enhanced Core ETF | 6.87% | 5.88% | 4.60% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
TDTT and USDX have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TDTT has higher volatility (0.81%) compared to USDX (0.76%). In terms of maximum drawdown, TDTT dropped -6.97% vs USDX's -0.94%.
On 1-year performance, USDX leads with 6.41% vs 3.17% for TDTT. On fees, TDTT is cheaper at 0.18% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, USDX has performed better with a 6.41% return vs 3.17%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
TDTT is cheaper with a 0.18% expense ratio, compared with 0.98% for USDX.
USDX has the higher dividend yield at 6.87%, compared with 5.15% for TDTT.
TDTT is categorized as Inflation-Protected Bonds, while USDX is Intermediate Core Bond. They also come from different issuers: Northern Trust and Summit Global Investments. Their fees differ too: 0.18% for TDTT and 0.98% for USDX.
USDX currently has the higher Sharpe Ratio (3.12 vs 1.65), 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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