XAGG.TO vs. SPAB
XAGG.TO (iShares U.S. Aggregate Bond Index ETF) and SPAB (SPDR Portfolio Aggregate Bond ETF) are both Total Bond Market funds - XAGG.TO tracks the Bloomberg US Aggregate Bond Index while SPAB tracks the Bloomberg U.S. Aggregate Bond Index. Both are passively managed. Over the past 3 years, XAGG.TO returned 5.35%/yr vs 5.93%/yr for SPAB. At a 0.27 correlation, their price movements are largely independent. XAGG.TO charges 0.10%/yr vs 0.03%/yr for SPAB.
Performance
XAGG.TO vs. SPAB - Performance Comparison
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Different Trading Currencies
XAGG.TO is traded in CAD, while SPAB is traded in USD. To make them comparable, the SPAB values have been converted to CAD using the latest available exchange rates.
Returns By Period
In the year-to-date period, XAGG.TO achieves a 2.48% return, which is significantly lower than SPAB's 2.65% return.
XAGG.TO
- 1D
- 0.03%
- 1M
- -0.68%
- 6M
- 0.83%
- YTD
- 2.48%
- 1Y
- 6.31%
- 3Y*
- 5.35%
- 5Y*
- —
- 10Y*
- —
SPAB
- 1D
- -0.10%
- 1M
- 0.07%
- 6M
- 1.02%
- YTD
- 2.65%
- 1Y
- 6.72%
- 3Y*
- 5.93%
- 5Y*
- 2.00%
- 10Y*
- 2.22%
XAGG.TO vs. SPAB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
XAGG.TO iShares U.S. Aggregate Bond Index ETF | 2.48% | 1.66% | 10.15% | 1.14% | -6.66% | 1.36% |
SPAB SPDR Portfolio Aggregate Bond ETF | 2.65% | 2.35% | 9.82% | 3.05% | -7.53% | 0.43% |
Correlation
The correlation between XAGG.TO and SPAB is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.36 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.34 |
Correlation (All Time) Calculated using the full available price history since Jul 27, 2021 | 0.27 |
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Return for Risk
XAGG.TO vs. SPAB — Risk / Return Rank
XAGG.TO
SPAB
XAGG.TO vs. SPAB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Aggregate Bond Index ETF (XAGG.TO) and SPDR Portfolio Aggregate Bond ETF (SPAB). 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.
| XAGG.TO | SPAB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.11 | ||
| Sortino ratioReturn per unit of downside risk | +0.09 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.20 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 1.59 | 1.49 | +0.10 |
| Martin ratioReturn relative to average drawdown | 3.58 | 3.28 | +0.30 |
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Drawdowns
XAGG.TO vs. SPAB - Drawdown Comparison
The maximum XAGG.TO drawdown since its inception was -12.65%, smaller than the maximum SPAB drawdown of -20.07%. Use the drawdown chart below to compare losses from any high point for XAGG.TO and SPAB.
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Drawdown Indicators
| XAGG.TO | SPAB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.65% | -20.07% | +7.42% |
Max Drawdown (1Y)Largest decline over 1 year | -4.32% | -4.52% | +0.20% |
Max Drawdown (3Y)Largest decline over 3 years | -6.64% | -6.46% | -0.18% |
Max Drawdown (5Y)Largest decline over 5 years | — | -13.29% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -20.07% | — |
Current DrawdownCurrent decline from peak | -2.01% | -2.23% | +0.22% |
Average DrawdownAverage peak-to-trough decline | -5.22% | -7.24% | +2.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.92% | 2.05% | -0.13% |
Volatility
XAGG.TO vs. SPAB - Volatility Comparison
The current volatility for iShares U.S. Aggregate Bond Index ETF (XAGG.TO) is 1.46%, while SPDR Portfolio Aggregate Bond ETF (SPAB) has a volatility of 1.75%. This indicates that XAGG.TO experiences smaller price fluctuations and is considered to be less risky than SPAB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| XAGG.TO | SPAB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.46% | 1.75% | -0.29% |
Volatility (6M)Calculated over the trailing 6-month period | 4.17% | 4.19% | -0.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.47% | 5.89% | -0.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.03% | 8.58% | -1.55% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.03% | 8.51% | -1.48% |
XAGG.TO vs. SPAB - Expense Ratio Comparison
XAGG.TO has a 0.10% expense ratio, which is higher than SPAB's 0.03% 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
XAGG.TO vs. SPAB - Dividend Comparison
XAGG.TO's dividend yield for the trailing twelve months is around 4.10%, which matches SPAB's 4.08% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPAB SPDR Portfolio Aggregate Bond ETF | 4.08% | 3.97% | 3.86% | 3.34% | 2.59% | 2.11% | 2.43% | 2.92% | 2.96% | 2.67% | 2.63% | 2.59% |
XAGG.TO iShares U.S. Aggregate Bond Index ETF | 4.10% | 3.87% | 3.07% | 2.59% | 1.67% | 1.04% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
XAGG.TO and SPAB have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, SPAB is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.
SPAB is cheaper with a 0.03% expense ratio, compared with 0.10% for XAGG.TO.
XAGG.TO tracks Bloomberg US Aggregate Bond Index, while SPAB tracks Bloomberg U.S. Aggregate Bond Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.10% for XAGG.TO and 0.03% for SPAB.
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