TIPZ vs. TDTT
TIPZ (PIMCO Broad US TIPS Index ETF) and TDTT (FlexShares iBoxx 3-Year Target Duration TIPS Index Fund) are both Inflation-Protected Bonds funds - TIPZ tracks the ICE BofA US Inflation-Linked Treasury while TDTT tracks the iBoxx 3-Year Target Duration TIPS. Both are passively managed. Over the past 10 years, TIPZ returned 2.37%/yr vs 2.98%/yr for TDTT. A 0.67 correlation means they provide meaningful diversification when combined. TIPZ charges 0.20%/yr vs 0.18%/yr for TDTT.
Performance
TIPZ vs. TDTT - Performance Comparison
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Returns By Period
In the year-to-date period, TIPZ achieves a 1.90% return, which is significantly higher than TDTT's 1.00% return. Over the past 10 years, TIPZ has underperformed TDTT with an annualized return of 2.37%, while TDTT has yielded a comparatively higher 2.98% annualized return.
TIPZ
- 1D
- -0.01%
- 1M
- -0.02%
- YTD
- 1.90%
- 6M
- 0.95%
- 1Y
- 3.58%
- 3Y*
- 3.45%
- 5Y*
- 0.62%
- 10Y*
- 2.37%
TDTT
- 1D
- 0.04%
- 1M
- -0.48%
- YTD
- 1.00%
- 6M
- 1.25%
- 1Y
- 3.31%
- 3Y*
- 4.77%
- 5Y*
- 2.79%
- 10Y*
- 2.98%
TIPZ vs. TDTT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TIPZ PIMCO Broad US TIPS Index ETF | 1.90% | 5.87% | 1.52% | 3.37% | -12.67% | 5.48% | 10.98% | 8.64% | -1.65% | 3.12% |
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 1.00% | 6.67% | 3.96% | 4.40% | -4.58% | 5.49% | 6.84% | 5.74% | 0.25% | 0.43% |
Correlation
The correlation between TIPZ and TDTT is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.74 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.81 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.82 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.77 |
Correlation (All Time) Calculated using the full available price history since Sep 23, 2011 | 0.67 |
The correlation between TIPZ and TDTT shifts across timeframes, from 0.67 (all time) to 0.82 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
TIPZ vs. TDTT — Risk / Return Rank
TIPZ
TDTT
TIPZ vs. TDTT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PIMCO Broad US TIPS Index ETF (TIPZ) and FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT). 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.
| TIPZ | TDTT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.80 | ||
| Sortino ratioReturn per unit of downside risk | -1.27 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.34 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | 1.65 | 3.43 | -1.77 |
| Martin ratioReturn relative to average drawdown | 5.08 | 10.76 | -5.69 |
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Drawdowns
TIPZ vs. TDTT - Drawdown Comparison
The maximum TIPZ drawdown since its inception was -15.77%, which is greater than TDTT's maximum drawdown of -6.97%. Use the drawdown chart below to compare losses from any high point for TIPZ and TDTT.
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Drawdown Indicators
| TIPZ | TDTT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.77% | -6.97% | -8.80% |
Max Drawdown (1Y)Largest decline over 1 year | -2.18% | -0.97% | -1.21% |
Max Drawdown (3Y)Largest decline over 3 years | -4.74% | -1.53% | -3.21% |
Max Drawdown (5Y)Largest decline over 5 years | -15.77% | -6.97% | -8.80% |
Max Drawdown (10Y)Largest decline over 10 years | -15.77% | -6.97% | -8.80% |
Current DrawdownCurrent decline from peak | -2.09% | -0.93% | -1.16% |
Average DrawdownAverage peak-to-trough decline | -4.32% | -1.59% | -2.73% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.71% | 0.31% | +0.40% |
Volatility
TIPZ vs. TDTT - Volatility Comparison
PIMCO Broad US TIPS Index ETF (TIPZ) has a higher volatility of 1.19% compared to FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT) at 0.79%. This indicates that TIPZ's price experiences larger fluctuations and is considered to be riskier than TDTT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TIPZ | TDTT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.19% | 0.79% | +0.40% |
Volatility (6M)Calculated over the trailing 6-month period | 3.00% | 1.40% | +1.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.90% | 1.94% | +1.96% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.35% | 3.66% | +2.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.85% | 3.38% | +2.47% |
TIPZ vs. TDTT - Expense Ratio Comparison
TIPZ has a 0.20% expense ratio, which is higher than TDTT's 0.18% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
TIPZ vs. TDTT - Dividend Comparison
TIPZ's dividend yield for the trailing twelve months is around 5.14%, more than TDTT's 4.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
TIPZ PIMCO Broad US TIPS Index ETF | 5.14% | 4.74% | 4.44% | 4.69% | 7.14% | 4.41% | 1.47% | 1.65% | 2.23% | 1.70% | 1.06% | 0.56% |
Frequently Asked Questions
TIPZ and TDTT have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TIPZ has higher volatility (1.19%) compared to TDTT (0.79%). In terms of maximum drawdown, TIPZ dropped -15.77% vs TDTT's -6.97%.
On 10-year performance, TDTT leads with 2.98% vs 2.37% for TIPZ. On fees, TDTT is cheaper at 0.18% per year. On volatility, TDTT has been the lower-risk option at 0.79%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, TDTT has performed better with a 2.98% return vs 2.37%. 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 0.20% for TIPZ.
TIPZ has the higher dividend yield at 5.14%, compared with 4.58% for TDTT.
TIPZ tracks ICE BofA US Inflation-Linked Treasury, while TDTT tracks iBoxx 3-Year Target Duration TIPS. They also come from different issuers: PIMCO and Northern Trust. Their fees differ too: 0.20% for TIPZ and 0.18% for TDTT.
TDTT currently has the higher Sharpe Ratio (1.72 vs 0.92), 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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