TBLU vs. IBID
TBLU (Tortoise Global Water Fund) and IBID (iShares iBonds Oct 2027 Term TIPS ETF) are both exchange-traded funds - TBLU is a Water Equities fund tracking the Tortoise Global Water ESG Net Total Return Index, while IBID is a Inflation-Protected Bonds fund tracking the ICE 2027 Maturity US Inflation-Linked Treasury Index. Both are passively managed. Over the past year, TBLU returned -0.00% vs 4.00% for IBID. At a 0.08 correlation, their price movements are largely independent. TBLU charges 0.40%/yr vs 0.10%/yr for IBID.
Performance
TBLU vs. IBID - Performance Comparison
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Returns By Period
In the year-to-date period, TBLU achieves a 0.68% return, which is significantly lower than IBID's 1.94% return.
TBLU
- 1D
- 1.53%
- 1M
- 2.43%
- YTD
- 0.68%
- 6M
- -0.89%
- 1Y
- -0.00%
- 3Y*
- 10.25%
- 5Y*
- 4.57%
- 10Y*
- —
IBID
- 1D
- -0.00%
- 1M
- -0.25%
- YTD
- 1.94%
- 6M
- 1.99%
- 1Y
- 4.00%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
TBLU vs. IBID - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
TBLU Tortoise Global Water Fund | 0.68% | 11.82% | 8.54% | 10.68% |
IBID iShares iBonds Oct 2027 Term TIPS ETF | 1.94% | 5.66% | 4.71% | 2.61% |
Correlation
The correlation between TBLU and IBID is -0.11, 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 | -0.11 |
Correlation (All Time) Calculated using the full available price history since Sep 15, 2023 | 0.08 |
The correlation between TBLU and IBID shifts across timeframes, from -0.11 (1 year) to 0.08 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
TBLU vs. IBID — Risk / Return Rank
TBLU
IBID
TBLU vs. IBID - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Tortoise Global Water Fund (TBLU) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). 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.
| TBLU | IBID | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.26 | ||
| Sortino ratioReturn per unit of downside risk | -5.41 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 1.74 | -0.73 |
| Calmar ratioReturn relative to maximum drawdown | -0.00 | 7.30 | -7.30 |
| Martin ratioReturn relative to average drawdown | -0.00 | 28.77 | -28.77 |
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Drawdowns
TBLU vs. IBID - Drawdown Comparison
The maximum TBLU drawdown since its inception was -37.58%, which is greater than IBID's maximum drawdown of -1.28%. Use the drawdown chart below to compare losses from any high point for TBLU and IBID.
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Drawdown Indicators
| TBLU | IBID | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -37.58% | -1.28% | -36.30% |
Max Drawdown (1Y)Largest decline over 1 year | -13.17% | -0.55% | -12.62% |
Max Drawdown (3Y)Largest decline over 3 years | -15.42% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -35.36% | — | — |
Current DrawdownCurrent decline from peak | -9.24% | -0.55% | -8.69% |
Average DrawdownAverage peak-to-trough decline | -8.16% | -0.22% | -7.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.00% | 0.14% | +5.86% |
Volatility
TBLU vs. IBID - Volatility Comparison
Tortoise Global Water Fund (TBLU) has a higher volatility of 4.59% compared to iShares iBonds Oct 2027 Term TIPS ETF (IBID) at 0.35%. This indicates that TBLU's price experiences larger fluctuations and is considered to be riskier than IBID based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TBLU | IBID | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.59% | 0.35% | +4.24% |
Volatility (6M)Calculated over the trailing 6-month period | 11.88% | 0.86% | +11.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.71% | 1.23% | +13.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.36% | 2.24% | +15.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.95% | 2.24% | +16.71% |
TBLU vs. IBID - Expense Ratio Comparison
TBLU has a 0.40% expense ratio, which is higher than IBID's 0.10% expense ratio.
Dividends
TBLU vs. IBID - Dividend Comparison
TBLU's dividend yield for the trailing twelve months is around 3.28%, less than IBID's 3.68% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
IBID iShares iBonds Oct 2027 Term TIPS ETF | 3.68% | 4.43% | 4.24% | 0.81% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
TBLU Tortoise Global Water Fund | 3.28% | 3.31% | 1.34% | 1.46% | 1.64% | 1.55% | 1.42% | 1.58% | 1.35% | 1.32% |
Frequently Asked Questions
TBLU and IBID have a correlation of -0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TBLU has higher volatility (4.59%) compared to IBID (0.35%). In terms of maximum drawdown, TBLU dropped -37.58% vs IBID's -1.28%.
On 1-year performance, IBID leads with 4.00% vs -0.00% for TBLU. On fees, IBID is cheaper at 0.10% per year. On volatility, IBID has been the lower-risk option at 0.35%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBID has performed better with a 4.00% return vs -0.00%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBID is cheaper with a 0.10% expense ratio, compared with 0.40% for TBLU.
IBID has the higher dividend yield at 3.68%, compared with 3.28% for TBLU.
TBLU is categorized as Water Equities, while IBID is Inflation-Protected Bonds. TBLU tracks Tortoise Global Water ESG Net Total Return Index, while IBID tracks ICE 2027 Maturity US Inflation-Linked Treasury Index. They also come from different issuers: Tortoise and iShares. Their fees differ too: 0.40% for TBLU and 0.10% for IBID.
IBID currently has the higher Sharpe Ratio (3.26 vs -0.00), 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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