IBTS.L vs. VUAA.L
IBTS.L (iShares $ Treasury Bond 1-3yr UCITS ETF) and VUAA.L (Vanguard S&P 500 UCITS ETF USD Accumulation) are both exchange-traded funds - IBTS.L is a Government Bonds fund tracking the ICE U.S. Treasury 1-3 Year Bond Index, while VUAA.L is a S&P 500 fund tracking the S&P 500 Net Total Return. Both are passively managed. Over the past 5 years, IBTS.L returned 2.95%/yr vs 14.93%/yr for VUAA.L. At a 0.01 correlation, their price movements are largely independent. Both charge a 0.07% expense ratio.
Performance
IBTS.L vs. VUAA.L - Performance Comparison
Loading charts...
Different Trading Currencies
IBTS.L is traded in GBP, while VUAA.L is traded in USD. To make them comparable, the VUAA.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, IBTS.L achieves a 0.65% return, which is significantly lower than VUAA.L's 10.72% return.
IBTS.L
- 1D
- 0.14%
- 1M
- 1.13%
- YTD
- 0.65%
- 6M
- 0.29%
- 1Y
- 4.47%
- 3Y*
- 1.53%
- 5Y*
- 2.95%
- 10Y*
- 2.52%
VUAA.L
- 1D
- 0.00%
- 1M
- 5.41%
- YTD
- 10.72%
- 6M
- 10.33%
- 1Y
- 29.00%
- 3Y*
- 19.08%
- 5Y*
- 14.93%
- 10Y*
- —
IBTS.L vs. VUAA.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
IBTS.L iShares $ Treasury Bond 1-3yr UCITS ETF | 0.65% | -1.91% | 5.79% | -1.41% | 7.61% | 0.64% | -0.34% | -0.99% |
VUAA.L Vanguard S&P 500 UCITS ETF USD Accumulation | 10.76% | 9.01% | 27.46% | 20.35% | -8.96% | 30.57% | 14.21% | 8.78% |
Correlation
The correlation between IBTS.L and VUAA.L is 0.05, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.05 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.07 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.03 |
Correlation (All Time) Calculated using the full available price history since May 17, 2019 | 0.01 |
The correlation between IBTS.L and VUAA.L shifts across timeframes, from -0.03 (5 years) to 0.07 (3 years), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IBTS.L vs. VUAA.L — Risk / Return Rank
IBTS.L
VUAA.L
IBTS.L vs. VUAA.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares $ Treasury Bond 1-3yr UCITS ETF (IBTS.L) and Vanguard S&P 500 UCITS ETF USD Accumulation (VUAA.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.
| IBTS.L | VUAA.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.68 | ||
| Sortino ratioReturn per unit of downside risk | -2.19 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.45 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | 0.99 | 3.99 | -3.01 |
| Martin ratioReturn relative to average drawdown | 2.51 | 13.50 | -10.99 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| IBTS.L | VUAA.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.73 | 2.42 | -1.68 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.36 | 0.97 | -0.60 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.27 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.35 | 0.89 | -0.54 |
Drawdowns
IBTS.L vs. VUAA.L - Drawdown Comparison
The maximum IBTS.L drawdown since its inception was -19.02%, smaller than the maximum VUAA.L drawdown of -26.15%. Use the drawdown chart below to compare losses from any high point for IBTS.L and VUAA.L.
Loading charts...
Drawdown Indicators
| IBTS.L | VUAA.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.02% | -26.15% | +7.13% |
Max Drawdown (1Y)Largest decline over 1 year | -4.51% | -7.23% | +2.72% |
Max Drawdown (3Y)Largest decline over 3 years | -8.89% | -21.12% | +12.23% |
Max Drawdown (5Y)Largest decline over 5 years | -16.28% | -21.12% | +4.84% |
Max Drawdown (10Y)Largest decline over 10 years | -19.02% | — | — |
Current DrawdownCurrent decline from peak | -7.51% | -0.28% | -7.23% |
Average DrawdownAverage peak-to-trough decline | -7.93% | -3.69% | -4.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.78% | 2.14% | -0.36% |
Volatility
IBTS.L vs. VUAA.L - Volatility Comparison
The current volatility for iShares $ Treasury Bond 1-3yr UCITS ETF (IBTS.L) is 1.67%, while Vanguard S&P 500 UCITS ETF USD Accumulation (VUAA.L) has a volatility of 3.52%. This indicates that IBTS.L experiences smaller price fluctuations and is considered to be less risky than VUAA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IBTS.L | VUAA.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.67% | 3.52% | -1.85% |
Volatility (6M)Calculated over the trailing 6-month period | 4.49% | 8.64% | -4.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.09% | 11.95% | -5.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.09% | 15.41% | -7.32% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.24% | 17.14% | -7.90% |
IBTS.L vs. VUAA.L - Expense Ratio Comparison
Both IBTS.L and VUAA.L have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IBTS.L vs. VUAA.L - Dividend Comparison
IBTS.L's dividend yield for the trailing twelve months is around 3.99%, while VUAA.L has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBTS.L iShares $ Treasury Bond 1-3yr UCITS ETF | 3.99% | 4.22% | 4.12% | 3.08% | 0.75% | 0.61% | 1.84% | 2.39% | 1.49% | 1.01% | 0.67% | 0.49% |
VUAA.L Vanguard S&P 500 UCITS ETF USD Accumulation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IBTS.L and VUAA.L have a correlation of 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
Both ETFs have the same 0.07% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
IBTS.L and VUAA.L have the same expense ratio: 0.07% per year.
IBTS.L is categorized as Government Bonds, while VUAA.L is S&P 500. IBTS.L tracks ICE U.S. Treasury 1-3 Year Bond Index, while VUAA.L tracks S&P 500 Net Total Return. They also come from different issuers: iShares and Vanguard.
Find the right allocation for IBTS.L and VUAA.L
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer