ZSP-U.TO vs. ZAG.TO

Last updated Apr 2, 2026

Compare and contrast key facts about BMO S&P 500 Index ETF (USD) (ZSP-U.TO) and BMO Aggregate Bond Index ETF (ZAG.TO).

ZSP-U.TO and ZAG.TO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ZSP-U.TO is a passively managed fund by BMO that tracks the performance of the S&P 500 Index. It was launched on Nov 14, 2012. ZAG.TO is a passively managed fund by BMO that tracks the performance of the FTSE Canada Universe Bond Index. It was launched on Jan 19, 2010. Both ZSP-U.TO and ZAG.TO are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

ZSP-U.TO vs. ZAG.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BMO S&P 500 Index ETF (USD) (ZSP-U.TO) and BMO Aggregate Bond Index ETF (ZAG.TO). The values are adjusted to include any dividend payments, if applicable.

ZSP-U.TO vs. ZAG.TO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ZSP-U.TO BMO S&P 500 Index ETF (USD)	-4.00%	16.84%	23.97%	25.49%	-18.84%	28.13%	17.65%	30.51%	-5.76%	20.96%
ZAG.TO BMO Aggregate Bond Index ETF	-1.27%	7.15%	-3.77%	8.83%	-17.51%	-1.88%	10.51%	12.18%	-6.74%	9.53%

Different Trading Currencies

ZSP-U.TO is traded in USD, while ZAG.TO is traded in CAD. To make them comparable, the ZAG.TO values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, ZSP-U.TO achieves a -4.00% return, which is significantly lower than ZAG.TO's -1.27% return. Over the past 10 years, ZSP-U.TO has outperformed ZAG.TO with an annualized return of 13.30%, while ZAG.TO has yielded a comparatively lower 0.97% annualized return.

ZSP-U.TO

• 1D: 0.71%
• 1M: -4.60%
• YTD: -4.00%
• 6M: -2.08%
• 1Y: 16.91%
• 3Y*: 17.59%
• 5Y*: 11.13%
• 10Y*: 13.30%

ZAG.TO

• 1D: -0.04%
• 1M: -3.27%
• YTD: -1.27%
• 6M: 0.18%
• 1Y: 3.02%
• 3Y*: 2.36%
• 5Y*: -1.47%
• 10Y*: 0.97%

*Multi-year figures are annualized to reflect compound growth (CAGR)

ZSP-U.TO vs. ZAG.TO - Expense Ratio Comparison

Both ZSP-U.TO and ZAG.TO have an expense ratio of 0.09%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

ZSP-U.TO

BMO S&P 500 Index ETF (USD)

ZAG.TO

BMO Aggregate Bond Index ETF

Return for Risk

ZSP-U.TO vs. ZAG.TO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ZSP-U.TO

ZSP-U.TO Risk / Return Rank: 52
ZSP-U.TO Sharpe Ratio Rank: 48
ZSP-U.TO Sortino Ratio Rank: 50
ZSP-U.TO Omega Ratio Rank: 55
ZSP-U.TO Calmar Ratio Rank: 47
ZSP-U.TO Martin Ratio Rank: 59

ZAG.TO

ZAG.TO Risk / Return Rank: 12
ZAG.TO Sharpe Ratio Rank: 12
ZAG.TO Sortino Ratio Rank: 10
ZAG.TO Omega Ratio Rank: 10
ZAG.TO Calmar Ratio Rank: 15
ZAG.TO Martin Ratio Rank: 14

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ZSP-U.TO vs. ZAG.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BMO S&P 500 Index ETF (USD) (ZSP-U.TO) and BMO Aggregate Bond Index ETF (ZAG.TO). 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.

	ZSP-U.TO	ZAG.TO	Difference
Sharpe ratio Return per unit of total volatility	0.94	0.45	+0.49
Sortino ratio Return per unit of downside risk	1.43	0.69	+0.74
Omega ratio Gain probability vs. loss probability	1.22	1.08	+0.14
Calmar ratio Return relative to maximum drawdown	1.43	0.92	+0.51
Martin ratio Return relative to average drawdown	6.69	2.62	+4.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZSP-U.TO vs. ZAG.TO - Sharpe Ratio Comparison

The current ZSP-U.TO Sharpe Ratio is 0.94, which is higher than the ZAG.TO Sharpe Ratio of 0.45. The chart below compares the historical Sharpe Ratios of ZSP-U.TO and ZAG.TO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ZSP-U.TO	ZAG.TO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.94	0.45	+0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.67	-0.16	+0.83
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	0.10	+0.68
Sharpe Ratio (All Time) Calculated using the full available price history	0.86	0.11	+0.75

Correlation

The correlation between ZSP-U.TO and ZAG.TO is 0.26, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ZSP-U.TO vs. ZAG.TO - Dividend Comparison

ZSP-U.TO has not paid dividends to shareholders, while ZAG.TO's dividend yield for the trailing twelve months is around 3.49%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ZSP-U.TO BMO S&P 500 Index ETF (USD)	0.00%	0.14%	0.71%	0.98%	1.13%	0.91%	1.02%	1.07%	1.26%	1.22%	1.43%	1.29%
ZAG.TO BMO Aggregate Bond Index ETF	3.49%	3.48%	3.44%	3.47%	3.56%	3.04%	2.88%	3.03%	2.92%	2.95%	3.07%	3.13%

Drawdowns

ZSP-U.TO vs. ZAG.TO - Drawdown Comparison

The maximum ZSP-U.TO drawdown since its inception was -33.72%, which is greater than ZAG.TO's maximum drawdown of -25.30%. Use the drawdown chart below to compare losses from any high point for ZSP-U.TO and ZAG.TO.

Drawdown Indicators

	ZSP-U.TO	ZAG.TO	Difference
Max Drawdown Largest peak-to-trough decline	-33.72%	-18.03%	-15.69%
Max Drawdown (1Y) Largest decline over 1 year	-12.08%	-2.79%	-9.29%
Max Drawdown (5Y) Largest decline over 5 years	-24.88%	-15.77%	-9.11%
Max Drawdown (10Y) Largest decline over 10 years	-33.72%	-18.03%	-15.69%
Current Drawdown Current decline from peak	-5.93%	-2.85%	-3.08%
Average Drawdown Average peak-to-trough decline	-3.99%	-3.56%	-0.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.59%	1.41%	+1.18%

Volatility

ZSP-U.TO vs. ZAG.TO - Volatility Comparison

BMO S&P 500 Index ETF (USD) (ZSP-U.TO) has a higher volatility of 5.34% compared to BMO Aggregate Bond Index ETF (ZAG.TO) at 2.18%. This indicates that ZSP-U.TO's price experiences larger fluctuations and is considered to be riskier than ZAG.TO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZSP-U.TO	ZAG.TO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.34%	2.18%	+3.16%
Volatility (6M) Calculated over the trailing 6-month period	9.51%	4.12%	+5.39%
Volatility (1Y) Calculated over the trailing 1-year period	18.04%	6.77%	+11.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.81%	9.40%	+7.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.77%	10.01%	+7.76%