TAXT vs. TDTT
TAXT (Northern Trust Tax-Exempt Bond ETF) and TDTT (FlexShares iBoxx 3-Year Target Duration TIPS Index Fund) are both exchange-traded funds - TAXT is a Municipal Bonds fund tracking the ICE Focused Municipal Bond Index, while TDTT is a Inflation-Protected Bonds fund tracking the iBoxx 3-Year Target Duration TIPS. Both are passively managed. At a 0.45 correlation, their price movements are largely independent. TAXT charges 0.05%/yr vs 0.18%/yr for TDTT.
Performance
TAXT vs. TDTT - Performance Comparison
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Returns By Period
In the year-to-date period, TAXT achieves a 1.66% return, which is significantly higher than TDTT's 1.02% return.
TAXT
- 1D
- 0.21%
- 1M
- 1.21%
- YTD
- 1.66%
- 6M
- 1.67%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
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%
TAXT vs. TDTT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
TAXT Northern Trust Tax-Exempt Bond ETF | 1.66% | 3.91% |
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | 1.02% | 1.01% |
Correlation
The correlation between TAXT and TDTT is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Aug 19, 2025 | 0.45 |
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Return for Risk
TAXT vs. TDTT — Risk / Return Rank
TAXT
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
TDTT
TAXT vs. TDTT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Northern Trust Tax-Exempt Bond ETF (TAXT) 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.
| TAXT | TDTT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.34 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 3.45 | — |
| Martin ratioReturn relative to average drawdown | — | 10.65 | — |
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Drawdowns
TAXT vs. TDTT - Drawdown Comparison
The maximum TAXT drawdown since its inception was -2.49%, smaller than the maximum TDTT drawdown of -6.97%. Use the drawdown chart below to compare losses from any high point for TAXT and TDTT.
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Drawdown Indicators
| TAXT | TDTT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.49% | -6.97% | +4.48% |
Max Drawdown (1Y)Largest decline over 1 year | — | -0.97% | — |
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 | -0.40% | -0.91% | +0.51% |
Average DrawdownAverage peak-to-trough decline | -0.48% | -1.59% | +1.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.31% | — |
Volatility
TAXT vs. TDTT - Volatility Comparison
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Volatility by Period
| TAXT | TDTT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 0.79% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 1.40% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 2.54% | 1.93% | +0.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.54% | 3.66% | -1.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.54% | 3.38% | -0.84% |
TAXT vs. TDTT - Expense Ratio Comparison
TAXT has a 0.05% expense ratio, which is lower than TDTT's 0.18% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
TAXT vs. TDTT - Dividend Comparison
TAXT's dividend yield for the trailing twelve months is around 2.54%, less than TDTT's 4.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
TAXT Northern Trust Tax-Exempt Bond ETF | 2.54% | 1.23% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
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% |
Frequently Asked Questions
TAXT and TDTT have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, TAXT is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
TAXT is cheaper with a 0.05% expense ratio, compared with 0.18% for TDTT.
TDTT has the higher dividend yield at 4.58%, compared with 2.54% for TAXT.
TAXT is categorized as Municipal Bonds, while TDTT is Inflation-Protected Bonds. TAXT tracks ICE Focused Municipal Bond Index, while TDTT tracks iBoxx 3-Year Target Duration TIPS. Their fees differ too: 0.05% for TAXT and 0.18% for TDTT.
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