TDTT vs. IGHG
TDTT (FlexShares iBoxx 3-Year Target Duration TIPS Index Fund) and IGHG (ProShares Investment Grade-Interest Rate Hedged) are both exchange-traded funds - TDTT is a Inflation-Protected Bonds fund tracking the iBoxx 3-Year Target Duration TIPS, while IGHG is a Corporate Bonds fund tracking the Citi Corporate Investment Grade (Treasury Rate-Hedged) Index. Both are passively managed. Over the past 10 years, TDTT returned 2.98%/yr vs 4.81%/yr for IGHG. At a correlation of -0.09, they often move in opposite directions. TDTT charges 0.18%/yr vs 0.30%/yr for IGHG.
Performance
TDTT vs. IGHG - Performance Comparison
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Returns By Period
In the year-to-date period, TDTT achieves a 1.02% return, which is significantly lower than IGHG's 1.89% return. Over the past 10 years, TDTT has underperformed IGHG with an annualized return of 2.98%, while IGHG has yielded a comparatively higher 4.81% annualized return.
TDTT
- 1D
- 0.02%
- 1M
- -0.46%
- YTD
- 1.02%
- 6M
- 1.15%
- 1Y
- 3.33%
- 3Y*
- 4.78%
- 5Y*
- 2.77%
- 10Y*
- 2.98%
IGHG
- 1D
- -0.22%
- 1M
- -0.20%
- YTD
- 1.89%
- 6M
- 2.53%
- 1Y
- 5.53%
- 3Y*
- 8.25%
- 5Y*
- 5.04%
- 10Y*
- 4.81%
TDTT vs. IGHG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 1.02% | 6.67% | 3.96% | 4.40% | -4.58% | 5.49% | 6.84% | 5.74% | 0.25% | 0.43% |
IGHG ProShares Investment Grade-Interest Rate Hedged | 1.89% | 5.65% | 9.20% | 11.58% | -0.90% | 0.88% | 0.61% | 12.73% | -3.96% | 4.49% |
Correlation
The correlation between TDTT and IGHG is -0.18, 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 | -0.18 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.04 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.08 |
Correlation (All Time) Calculated using the full available price history since Nov 7, 2013 | -0.09 |
The correlation between TDTT and IGHG shifts across timeframes, from -0.18 (1 year) to -0.04 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
TDTT vs. IGHG — Risk / Return Rank
TDTT
IGHG
TDTT vs. IGHG - 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 ProShares Investment Grade-Interest Rate Hedged (IGHG). 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 | IGHG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.10 | ||
| Sortino ratioReturn per unit of downside risk | +0.17 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.30 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 3.45 | 3.18 | +0.27 |
| Martin ratioReturn relative to average drawdown | 10.65 | 11.19 | -0.54 |
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Drawdowns
TDTT vs. IGHG - Drawdown Comparison
The maximum TDTT drawdown since its inception was -6.97%, smaller than the maximum IGHG drawdown of -25.16%. Use the drawdown chart below to compare losses from any high point for TDTT and IGHG.
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Drawdown Indicators
| TDTT | IGHG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.97% | -25.16% | +18.19% |
Max Drawdown (1Y)Largest decline over 1 year | -0.97% | -1.75% | +0.78% |
Max Drawdown (3Y)Largest decline over 3 years | -1.53% | -3.74% | +2.21% |
Max Drawdown (5Y)Largest decline over 5 years | -6.97% | -8.75% | +1.78% |
Max Drawdown (10Y)Largest decline over 10 years | -6.97% | -25.16% | +18.19% |
Current DrawdownCurrent decline from peak | -0.91% | -0.43% | -0.48% |
Average DrawdownAverage peak-to-trough decline | -1.59% | -2.29% | +0.70% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.31% | 0.50% | -0.19% |
Volatility
TDTT vs. IGHG - Volatility Comparison
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT) has a higher volatility of 0.79% compared to ProShares Investment Grade-Interest Rate Hedged (IGHG) at 0.60%. This indicates that TDTT's price experiences larger fluctuations and is considered to be riskier than IGHG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TDTT | IGHG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.79% | 0.60% | +0.19% |
Volatility (6M)Calculated over the trailing 6-month period | 1.40% | 2.47% | -1.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.93% | 3.41% | -1.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.66% | 5.02% | -1.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.38% | 7.45% | -4.07% |
TDTT vs. IGHG - Expense Ratio Comparison
TDTT has a 0.18% expense ratio, which is lower than IGHG's 0.30% expense ratio.
Dividends
TDTT vs. IGHG - Dividend Comparison
TDTT's dividend yield for the trailing twelve months is around 4.58%, less than IGHG's 5.13% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGHG ProShares Investment Grade-Interest Rate Hedged | 5.13% | 5.14% | 5.06% | 4.99% | 3.55% | 2.50% | 2.79% | 3.48% | 4.13% | 3.36% | 3.37% | 3.65% |
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 4.58% | 4.52% | 4.01% | 3.88% | 6.97% | 4.53% | 1.15% | 1.91% | 2.48% | 1.88% | 1.01% | 0.00% |
Frequently Asked Questions
TDTT and IGHG have a correlation of -0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TDTT has higher volatility (0.79%) compared to IGHG (0.60%). In terms of maximum drawdown, TDTT dropped -6.97% vs IGHG's -25.16%.
On 10-year performance, IGHG leads with 4.81% vs 2.98% for TDTT. On fees, TDTT is cheaper at 0.18% per year. On volatility, IGHG has been the lower-risk option at 0.60%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IGHG has performed better with a 4.81% return vs 2.98%. 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 0.30% for IGHG.
IGHG has the higher dividend yield at 5.13%, compared with 4.58% for TDTT.
TDTT is categorized as Inflation-Protected Bonds, while IGHG is Corporate Bonds. TDTT tracks iBoxx 3-Year Target Duration TIPS, while IGHG tracks Citi Corporate Investment Grade (Treasury Rate-Hedged) Index. They also come from different issuers: Northern Trust and ProShares. Their fees differ too: 0.18% for TDTT and 0.30% for IGHG.
TDTT currently has the higher Sharpe Ratio (1.73 vs 1.63), 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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