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ZWH.TO vs. ZAG.TO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

ZWH.TO vs. ZAG.TO

Last updated Jun 4, 2026

ZWH.TO (BMO US High Dividend Covered Call ETF) and ZAG.TO (BMO Aggregate Bond Index ETF) are both exchange-traded funds - ZWH.TO is a Derivative Income fund actively managed by BMO, while ZAG.TO is a Canadian Government Bonds fund tracking the FTSE Canada Universe Bond Index. ZWH.TO is actively managed, while ZAG.TO is passively managed. Over the past 10 years, ZWH.TO returned 9.87%/yr vs 1.66%/yr for ZAG.TO. At a 0.02 correlation, their price movements are largely independent. ZWH.TO charges 0.65%/yr vs 0.09%/yr for ZAG.TO.

Performance

ZWH.TO vs. ZAG.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in BMO US High Dividend Covered Call ETF (ZWH.TO) and BMO Aggregate Bond Index ETF (ZAG.TO). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, ZWH.TO achieves a 13.86% return, which is significantly higher than ZAG.TO's 1.70% return. Over the past 10 years, ZWH.TO has outperformed ZAG.TO with an annualized return of 9.87%, while ZAG.TO has yielded a comparatively lower 1.66% annualized return.

ZWH.TO

1D
0.66%
1M
7.97%
YTD
13.86%
6M
11.86%
1Y
27.24%
3Y*
14.93%
5Y*
11.42%
10Y*
9.87%

ZAG.TO

1D
0.00%
1M
1.75%
YTD
1.70%
6M
0.89%
1Y
3.25%
3Y*
4.24%
5Y*
0.76%
10Y*
1.66%
*Multi-year figures are annualized to reflect compound growth (CAGR)

ZWH.TO vs. ZAG.TO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
ZWH.TO
BMO US High Dividend Covered Call ETF		13.86%6.40%19.30%5.04%-0.57%24.20%0.19%17.18%0.10%5.95%
ZAG.TO
BMO Aggregate Bond Index ETF		1.70%2.25%4.48%6.41%-11.60%-2.60%8.34%6.84%1.12%2.45%

Correlation

The correlation between ZWH.TO and ZAG.TO is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.24

Correlation (3Y)
Calculated over the trailing 3-year period

0.17

Correlation (5Y)
Calculated over the trailing 5-year period

0.10

Correlation (10Y)
Calculated over the trailing 10-year period

0.03

Correlation (All Time)
Calculated using the full available price history since Feb 18, 2014

0.02

Over the past year, ZWH.TO and ZAG.TO have become more correlated (0.24) than their long-term average of 0.02, meaning their price movements have been converging.

ZWH.TO vs. ZAG.TO - Sectors Allocation Comparison

Sectors
ZWH.TO
ZAG.TO

Technology

28.4%

-

Healthcare

12.6%

-

Financial Services

12.0%

-

Consumer Defensive

9.4%

-

Energy

9.0%

-

Utilities

6.5%

-

Communication Services

6.3%

-

Consumer Cyclical

5.2%

-

Industrials

4.7%

-

Real Estate

4.2%
0.0%

Basic Materials

1.7%

-

Technology

ZWH.TO
28.4%
ZAG.TO

-

Healthcare

ZWH.TO
12.6%
ZAG.TO

-

Financial Services

ZWH.TO
12.0%
ZAG.TO

-

Consumer Defensive

ZWH.TO
9.4%
ZAG.TO

-

Energy

ZWH.TO
9.0%
ZAG.TO

-

Utilities

ZWH.TO
6.5%
ZAG.TO

-

Communication Services

ZWH.TO
6.3%
ZAG.TO

-

Consumer Cyclical

ZWH.TO
5.2%
ZAG.TO

-

Industrials

ZWH.TO
4.7%
ZAG.TO

-

Real Estate

ZWH.TO
4.2%
ZAG.TO
0.0%

Basic Materials

ZWH.TO
1.7%
ZAG.TO

-

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BMO US High Dividend Covered Call ETF

BMO Aggregate Bond Index ETF

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Often compared with ZAG.TO:
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Return for Risk

ZWH.TO vs. ZAG.TO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
ZWH.TO
ZWH.TO Risk / Return Rank: 8585
Overall Rank
ZWH.TO Sharpe Ratio Rank: 8484
Sharpe Ratio Rank
ZWH.TO Sortino Ratio Rank: 8888
Sortino Ratio Rank
ZWH.TO Omega Ratio Rank: 8383
Omega Ratio Rank
ZWH.TO Calmar Ratio Rank: 8686
Calmar Ratio Rank
ZWH.TO Martin Ratio Rank: 8787
Martin Ratio Rank
ZAG.TO
ZAG.TO Risk / Return Rank: 2121
Overall Rank
ZAG.TO Sharpe Ratio Rank: 2020
Sharpe Ratio Rank
ZAG.TO Sortino Ratio Rank: 1919
Sortino Ratio Rank
ZAG.TO Omega Ratio Rank: 2020
Omega Ratio Rank
ZAG.TO Calmar Ratio Rank: 2424
Calmar Ratio Rank
ZAG.TO Martin Ratio Rank: 2222
Martin Ratio Rank
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.

ZWH.TO vs. ZAG.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BMO US High Dividend Covered Call ETF (ZWH.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.

ZWH.TOZAG.TODifference
Sharpe ratioReturn per unit of total volatility
2.77
0.73

+2.04

Sortino ratioReturn per unit of downside risk
4.08
1.02

+3.05

Omega ratioGain probability vs. loss probability

1.51

1.13

+0.37

Calmar ratioReturn relative to maximum drawdown

4.81

1.17

+3.64

Martin ratioReturn relative to average drawdown

18.98

2.73

+16.25

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZWH.TO vs. ZAG.TO - Sharpe Ratio Comparison

The current ZWH.TO Sharpe Ratio is 2.77, which is higher than the ZAG.TO Sharpe Ratio of 0.73. The chart below compares the historical Sharpe Ratios of ZWH.TO and ZAG.TO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

ZWH.TOZAG.TODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.77

0.73

+2.04

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.99

0.12

+0.87

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.67

0.23

+0.43

Sharpe Ratio (All Time)

Calculated using the full available price history

0.80

0.45

+0.34

Drawdowns

ZWH.TO vs. ZAG.TO - Drawdown Comparison

The maximum ZWH.TO drawdown since its inception was -34.01%, which is greater than ZAG.TO's maximum drawdown of -18.03%. Use the drawdown chart below to compare losses from any high point for ZWH.TO and ZAG.TO.

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Drawdown Indicators

ZWH.TOZAG.TODifference

Max Drawdown

Largest peak-to-trough decline

-34.01%

-18.03%

-15.98%

Max Drawdown (1Y)

Largest decline over 1 year

-5.69%

-2.79%

-2.90%

Max Drawdown (3Y)

Largest decline over 3 years

-15.59%

-5.42%

-10.17%

Max Drawdown (5Y)

Largest decline over 5 years

-15.59%

-15.77%

+0.18%

Max Drawdown (10Y)

Largest decline over 10 years

-34.01%

-18.03%

-15.98%

Current Drawdown

Current decline from peak

0.00%

-1.09%

+1.09%

Average Drawdown

Average peak-to-trough decline

-3.11%

-3.54%

+0.43%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.44%

1.19%

+0.25%

Volatility

ZWH.TO vs. ZAG.TO - Volatility Comparison

BMO US High Dividend Covered Call ETF (ZWH.TO) has a higher volatility of 3.46% compared to BMO Aggregate Bond Index ETF (ZAG.TO) at 1.68%. This indicates that ZWH.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.

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Volatility by Period

ZWH.TOZAG.TODifference

Volatility (1M)

Calculated over the trailing 1-month period

3.46%

1.68%

+1.78%

Volatility (6M)

Calculated over the trailing 6-month period

7.66%

3.43%

+4.23%

Volatility (1Y)

Calculated over the trailing 1-year period

9.91%

4.46%

+5.45%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

11.65%

6.58%

+5.07%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

14.84%

7.11%

+7.73%

ZWH.TO vs. ZAG.TO - Expense Ratio Comparison

ZWH.TO has a 0.65% expense ratio, which is higher than ZAG.TO's 0.09% expense ratio.

Dividends

ZWH.TO vs. ZAG.TO - Dividend Comparison

ZWH.TO's dividend yield for the trailing twelve months is around 5.76%, more than ZAG.TO's 3.42% yield.

PositionTTM20252024202320222021202020192018201720162015
ZAG.TO
BMO Aggregate Bond Index ETF		3.42%3.48%3.44%3.47%3.56%3.04%2.88%3.03%2.92%2.95%3.07%3.13%
ZWH.TO
BMO US High Dividend Covered Call ETF		5.76%6.22%4.87%5.71%6.03%5.64%6.59%5.97%5.66%5.46%5.57%5.31%

Frequently Asked Questions

ZWH.TO and ZAG.TO have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, ZAG.TO is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.

ZAG.TO is cheaper with a 0.09% expense ratio, compared with 0.65% for ZWH.TO.

ZWH.TO is categorized as Derivative Income, while ZAG.TO is Canadian Government Bonds. Their fees differ too: 0.65% for ZWH.TO and 0.09% for ZAG.TO.

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