IUST.DE vs. SYBY.DE
IUST.DE (iShares USD TIPS UCITS ETF USD (Acc)) and SYBY.DE (State Street SPDR Bloomberg U.S. TIPS UCITS ETF (Dist)) are both Inflation-Protected Bonds funds - IUST.DE tracks the Bloomberg US Government Inflation-Linked Bond while SYBY.DE tracks the Bloomberg U.S. Government Inflation-Linked Bond Index. Both are passively managed. Over the past 10 years, IUST.DE returned 2.00%/yr vs 1.99%/yr for SYBY.DE. With a 0.97 correlation, they move nearly in lockstep. IUST.DE charges 0.10%/yr vs 0.05%/yr for SYBY.DE.
Performance
IUST.DE vs. SYBY.DE - Performance Comparison
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Returns By Period
In the year-to-date period, IUST.DE achieves a 3.67% return, which is significantly lower than SYBY.DE's 4.10% return. Both investments have delivered pretty close results over the past 10 years, with IUST.DE having a 2.00% annualized return and SYBY.DE not far behind at 1.99%.
IUST.DE
- 1D
- 0.21%
- 1M
- 0.85%
- 6M
- 2.29%
- YTD
- 3.67%
- 1Y
- 4.61%
- 3Y*
- 3.01%
- 5Y*
- 1.09%
- 10Y*
- 2.00%
SYBY.DE
- 1D
- 0.56%
- 1M
- 1.04%
- 6M
- 2.53%
- YTD
- 4.10%
- 1Y
- 4.95%
- 3Y*
- 3.04%
- 5Y*
- 1.08%
- 10Y*
- 1.99%
IUST.DE vs. SYBY.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IUST.DE iShares USD TIPS UCITS ETF USD (Acc) | 3.67% | -4.87% | 7.83% | -0.00% | -7.02% | 14.86% | 0.99% | 11.24% | 3.25% | -9.33% |
SYBY.DE State Street SPDR Bloomberg U.S. TIPS UCITS ETF (Dist) | 4.10% | -5.00% | 7.62% | -0.07% | -7.04% | 14.66% | 1.22% | 11.32% | 3.18% | -9.26% |
Correlation
The correlation between IUST.DE and SYBY.DE is 0.89, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.89 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.96 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.98 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.97 |
Correlation (All Time) Calculated using the full available price history since Dec 2, 2015 | 0.97 |
The correlation between IUST.DE and SYBY.DE has been stable across timeframes, ranging from 0.89 to 0.98 - a consistent structural relationship.
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Return for Risk
IUST.DE vs. SYBY.DE — Risk / Return Rank
IUST.DE
SYBY.DE
IUST.DE vs. SYBY.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares USD TIPS UCITS ETF USD (Acc) (IUST.DE) and State Street SPDR Bloomberg U.S. TIPS UCITS ETF (Dist) (SYBY.DE). 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.
| IUST.DE | SYBY.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.04 | ||
| Sortino ratioReturn per unit of downside risk | -0.06 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.15 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 1.15 | 1.23 | -0.09 |
| Martin ratioReturn relative to average drawdown | 3.12 | 3.34 | -0.22 |
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Drawdowns
IUST.DE vs. SYBY.DE - Drawdown Comparison
The maximum IUST.DE drawdown since its inception was -19.93%, which is greater than SYBY.DE's maximum drawdown of -16.23%. Use the drawdown chart below to compare losses from any high point for IUST.DE and SYBY.DE.
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Drawdown Indicators
| IUST.DE | SYBY.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.93% | -16.23% | -3.70% |
Max Drawdown (1Y)Largest decline over 1 year | -4.00% | -4.00% | 0.00% |
Max Drawdown (3Y)Largest decline over 3 years | -10.75% | -10.80% | +0.05% |
Max Drawdown (5Y)Largest decline over 5 years | -15.19% | -15.32% | +0.13% |
Max Drawdown (10Y)Largest decline over 10 years | -15.81% | -15.84% | +0.03% |
Current DrawdownCurrent decline from peak | -7.05% | -7.03% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -6.76% | -6.96% | +0.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.47% | 1.48% | -0.01% |
Volatility
IUST.DE vs. SYBY.DE - Volatility Comparison
The current volatility for iShares USD TIPS UCITS ETF USD (Acc) (IUST.DE) is 1.24%, while State Street SPDR Bloomberg U.S. TIPS UCITS ETF (Dist) (SYBY.DE) has a volatility of 1.33%. This indicates that IUST.DE experiences smaller price fluctuations and is considered to be less risky than SYBY.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IUST.DE | SYBY.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.24% | 1.33% | -0.09% |
Volatility (6M)Calculated over the trailing 6-month period | 3.93% | 4.06% | -0.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.76% | 5.88% | -0.12% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.25% | 8.33% | -0.08% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.89% | 8.00% | -0.11% |
IUST.DE vs. SYBY.DE - Expense Ratio Comparison
IUST.DE has a 0.10% expense ratio, which is higher than SYBY.DE's 0.05% 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
IUST.DE vs. SYBY.DE - Dividend Comparison
IUST.DE has not paid dividends to shareholders, while SYBY.DE's dividend yield for the trailing twelve months is around 4.35%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
IUST.DE iShares USD TIPS UCITS ETF USD (Acc) | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SYBY.DE State Street SPDR Bloomberg U.S. TIPS UCITS ETF (Dist) | 4.35% | 3.65% | 3.92% | 4.33% | 7.80% | 3.17% | 0.81% | 1.79% | 2.79% | 1.92% | 1.28% |
Frequently Asked Questions
IUST.DE and SYBY.DE have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, SYBY.DE is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
SYBY.DE is cheaper with a 0.05% expense ratio, compared with 0.10% for IUST.DE.
IUST.DE tracks Bloomberg US Government Inflation-Linked Bond, while SYBY.DE tracks Bloomberg U.S. Government Inflation-Linked Bond Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.10% for IUST.DE and 0.05% for SYBY.DE.
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