TSY3.L vs. IDTM.L
TSY3.L (SPDR Bloomberg 1-3 Year US Treasury Bond UCITS ETF) and IDTM.L (iShares USD Treasury Bond 7-10yr UCITS ETF USD (Dist)) are both Government Bonds funds - TSY3.L tracks the Bloomberg US 1-3 Year Treasury Bond Index while IDTM.L tracks the ICE U.S. Treasury 7-10 Year Bond Index. Both are passively managed. Over the past 10 years, TSY3.L returned 2.44%/yr vs 23.94%/yr for IDTM.L. A 0.66 correlation means they provide meaningful diversification when combined. TSY3.L charges 0.05%/yr vs 0.07%/yr for IDTM.L.
Performance
TSY3.L vs. IDTM.L - Performance Comparison
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Different Trading Currencies
TSY3.L is traded in GBP, while IDTM.L is traded in USD. To make them comparable, the IDTM.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, TSY3.L achieves a 0.72% return, which is significantly higher than IDTM.L's -1.07% return. Over the past 10 years, TSY3.L has underperformed IDTM.L with an annualized return of 2.44%, while IDTM.L has yielded a comparatively higher 23.94% annualized return.
TSY3.L
- 1D
- 0.10%
- 1M
- 1.10%
- YTD
- 0.72%
- 6M
- 0.32%
- 1Y
- 4.44%
- 3Y*
- 1.49%
- 5Y*
- 2.87%
- 10Y*
- 2.44%
IDTM.L
- 1D
- 0.21%
- 1M
- 0.30%
- YTD
- -1.07%
- 6M
- -1.79%
- 1Y
- 3.78%
- 3Y*
- -0.08%
- 5Y*
- 35.18%
- 10Y*
- 23.94%
TSY3.L vs. IDTM.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TSY3.L SPDR Bloomberg 1-3 Year US Treasury Bond UCITS ETF | 0.72% | -2.00% | 5.79% | -1.65% | 7.59% | 0.51% | -0.46% | 0.22% | 7.27% | -8.65% |
IDTM.L iShares USD Treasury Bond 7-10yr UCITS ETF USD (Dist) | -1.07% | -0.32% | 2.89% | -2.26% | 142.77% | 190.59% | 6.17% | 4.30% | 5.87% | -6.66% |
Correlation
The correlation between TSY3.L and IDTM.L is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.57 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.55 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.58 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.66 |
Correlation (All Time) Calculated using the full available price history since Sep 10, 2013 | 0.66 |
The correlation between TSY3.L and IDTM.L shifts across timeframes, from 0.55 (3 years) to 0.66 (10 years), reflecting how their relationship changes across market environments.
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Return for Risk
TSY3.L vs. IDTM.L — Risk / Return Rank
TSY3.L
IDTM.L
TSY3.L vs. IDTM.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Bloomberg 1-3 Year US Treasury Bond UCITS ETF (TSY3.L) and iShares USD Treasury Bond 7-10yr UCITS ETF USD (Dist) (IDTM.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.
| TSY3.L | IDTM.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.18 | ||
| Sortino ratioReturn per unit of downside risk | +0.27 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.10 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 0.98 | 0.59 | +0.39 |
| Martin ratioReturn relative to average drawdown | 2.50 | 1.41 | +1.09 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| TSY3.L | IDTM.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.72 | 0.54 | +0.18 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.35 | 0.44 | -0.09 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.26 | 0.39 | -0.13 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.31 | 0.37 | -0.06 |
Drawdowns
TSY3.L vs. IDTM.L - Drawdown Comparison
The maximum TSY3.L drawdown since its inception was -18.75%, smaller than the maximum IDTM.L drawdown of -24.40%. Use the drawdown chart below to compare losses from any high point for TSY3.L and IDTM.L.
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Drawdown Indicators
| TSY3.L | IDTM.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.75% | -24.40% | +5.65% |
Max Drawdown (1Y)Largest decline over 1 year | -4.50% | -6.37% | +1.87% |
Max Drawdown (3Y)Largest decline over 3 years | -8.92% | -8.36% | -0.56% |
Max Drawdown (5Y)Largest decline over 5 years | -16.38% | -17.31% | +0.93% |
Max Drawdown (10Y)Largest decline over 10 years | -18.75% | -21.41% | +2.66% |
Current DrawdownCurrent decline from peak | -7.69% | -11.85% | +4.16% |
Average DrawdownAverage peak-to-trough decline | -7.81% | -9.12% | +1.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.77% | 2.68% | -0.91% |
Volatility
TSY3.L vs. IDTM.L - Volatility Comparison
The current volatility for SPDR Bloomberg 1-3 Year US Treasury Bond UCITS ETF (TSY3.L) is 1.67%, while iShares USD Treasury Bond 7-10yr UCITS ETF USD (Dist) (IDTM.L) has a volatility of 2.13%. This indicates that TSY3.L experiences smaller price fluctuations and is considered to be less risky than IDTM.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TSY3.L | IDTM.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.67% | 2.13% | -0.46% |
Volatility (6M)Calculated over the trailing 6-month period | 4.50% | 5.50% | -1.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.14% | 6.92% | -0.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.21% | 79.51% | -71.30% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.29% | 60.68% | -51.39% |
TSY3.L vs. IDTM.L - Expense Ratio Comparison
TSY3.L has a 0.05% expense ratio, which is lower than IDTM.L's 0.07% 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
TSY3.L vs. IDTM.L - Dividend Comparison
TSY3.L's dividend yield for the trailing twelve months is around 3.92%, more than IDTM.L's 3.25% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IDTM.L iShares USD Treasury Bond 7-10yr UCITS ETF USD (Dist) | 3.25% | 3.11% | 5.23% | 2.48% | 66.26% | 84.42% | 1.24% | 1.92% | 1.82% | 1.49% | 1.45% | 0.00% |
TSY3.L SPDR Bloomberg 1-3 Year US Treasury Bond UCITS ETF | 3.92% | 4.25% | 4.07% | 3.02% | 0.60% | 0.56% | 1.84% | 2.14% | 1.31% | 1.04% | 0.63% | 0.52% |
Frequently Asked Questions
TSY3.L and IDTM.L have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, TSY3.L is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.
TSY3.L is cheaper with a 0.05% expense ratio, compared with 0.07% for IDTM.L.
TSY3.L tracks Bloomberg US 1-3 Year Treasury Bond Index, while IDTM.L tracks ICE U.S. Treasury 7-10 Year Bond Index. They also come from different issuers: State Street and iShares. Their fees differ too: 0.05% for TSY3.L and 0.07% for IDTM.L.
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