IBCI.L vs. VDTA.L
IBCI.L (iShares € Inflation Linked Govt Bond UCITS ETF EUR (Acc)) and VDTA.L (Vanguard USD Treasury Bond UCITS ETF Accumulating) are both Government Bonds funds - IBCI.L tracks the iShares € Inflation Linked Govt Bond UCITS ETF EUR (Acc) while VDTA.L tracks the Bloomberg Global Aggregate US Treasury Float Adjusted index. Both are passively managed. Over the past 5 years, IBCI.L returned 0.22%/yr vs -0.36%/yr for VDTA.L. At a 0.44 correlation, their price movements are largely independent. IBCI.L charges 0.09%/yr vs 0.05%/yr for VDTA.L.
Performance
IBCI.L vs. VDTA.L - Performance Comparison
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Different Trading Currencies
IBCI.L is traded in GBP, while VDTA.L is traded in USD. To make them comparable, the VDTA.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, IBCI.L achieves a -0.50% return, which is significantly higher than VDTA.L's -0.74% return.
IBCI.L
- 1D
- -0.23%
- 1M
- -2.45%
- 6M
- -0.49%
- YTD
- -0.50%
- 1Y
- 0.53%
- 3Y*
- 1.66%
- 5Y*
- 0.22%
- 10Y*
- 1.54%
VDTA.L
- 1D
- -0.89%
- 1M
- -1.06%
- 6M
- -0.97%
- YTD
- -0.74%
- 1Y
- 2.41%
- 3Y*
- 1.76%
- 5Y*
- -0.36%
- 10Y*
- —
IBCI.L vs. VDTA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
IBCI.L iShares € Inflation Linked Govt Bond UCITS ETF EUR (Acc) | -0.50% | 6.03% | -4.55% | 3.48% | -4.33% | -0.79% | 8.45% | 3.21% |
VDTA.L Vanguard USD Treasury Bond UCITS ETF Accumulating | -0.74% | -1.33% | 2.71% | -1.47% | -1.95% | -1.41% | 4.48% | 4.79% |
Correlation
The correlation between IBCI.L and VDTA.L is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.31 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.38 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.40 |
Correlation (All Time) Calculated using the full available price history since Feb 19, 2019 | 0.44 |
The correlation between IBCI.L and VDTA.L shifts across timeframes, from 0.31 (1 year) to 0.44 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IBCI.L vs. VDTA.L — Risk / Return Rank
IBCI.L
VDTA.L
IBCI.L vs. VDTA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares € Inflation Linked Govt Bond UCITS ETF EUR (Acc) (IBCI.L) and Vanguard USD Treasury Bond UCITS ETF Accumulating (VDTA.L). 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.
| IBCI.L | VDTA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.27 | ||
| Sortino ratioReturn per unit of downside risk | -0.40 | ||
| Omega ratioGain probability vs. loss probability | 1.02 | 1.07 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 0.13 | 0.41 | -0.28 |
| Martin ratioReturn relative to average drawdown | 0.29 | 0.98 | -0.69 |
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Drawdowns
IBCI.L vs. VDTA.L - Drawdown Comparison
The maximum IBCI.L drawdown since its inception was -30.47%, which is greater than VDTA.L's maximum drawdown of -22.98%. Use the drawdown chart below to compare losses from any high point for IBCI.L and VDTA.L.
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Drawdown Indicators
| IBCI.L | VDTA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -30.47% | -22.98% | -7.49% |
Max Drawdown (1Y)Largest decline over 1 year | -3.49% | -5.84% | +2.35% |
Max Drawdown (3Y)Largest decline over 3 years | -14.28% | -8.53% | -5.75% |
Max Drawdown (5Y)Largest decline over 5 years | -14.28% | -16.77% | +2.49% |
Max Drawdown (10Y)Largest decline over 10 years | -14.53% | — | — |
Current DrawdownCurrent decline from peak | -8.97% | -18.62% | +9.65% |
Average DrawdownAverage peak-to-trough decline | -10.76% | -14.97% | +4.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.53% | 2.46% | -0.93% |
Volatility
IBCI.L vs. VDTA.L - Volatility Comparison
The current volatility for iShares € Inflation Linked Govt Bond UCITS ETF EUR (Acc) (IBCI.L) is 1.34%, while Vanguard USD Treasury Bond UCITS ETF Accumulating (VDTA.L) has a volatility of 2.24%. This indicates that IBCI.L experiences smaller price fluctuations and is considered to be less risky than VDTA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBCI.L | VDTA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.34% | 2.24% | -0.90% |
Volatility (6M)Calculated over the trailing 6-month period | 3.71% | 5.23% | -1.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.90% | 6.65% | -1.75% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 11.49% | 8.99% | +2.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 11.76% | 9.41% | +2.35% |
IBCI.L vs. VDTA.L - Expense Ratio Comparison
IBCI.L has a 0.09% expense ratio, which is higher than VDTA.L'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
IBCI.L vs. VDTA.L - Dividend Comparison
Neither IBCI.L nor VDTA.L has paid dividends to shareholders.
Frequently Asked Questions
IBCI.L and VDTA.L have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, VDTA.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
VDTA.L is cheaper with a 0.05% expense ratio, compared with 0.09% for IBCI.L.
IBCI.L tracks iShares € Inflation Linked Govt Bond UCITS ETF EUR (Acc), while VDTA.L tracks Bloomberg Global Aggregate US Treasury Float Adjusted index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.09% for IBCI.L and 0.05% for VDTA.L.
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