XUSF.TO vs. ZWK.TO

Last updated Apr 1, 2026

Compare and contrast key facts about iShares S&P U.S. Financials Index ETF (XUSF.TO) and BMO Covered Call US Banks ETF (ZWK.TO).

XUSF.TO and ZWK.TO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. XUSF.TO is a passively managed fund by iShares that tracks the performance of the S&P Financial Select Sector Index. It was launched on Sep 6, 2023. ZWK.TO is an actively managed fund by BMO. It was launched on Feb 12, 2019.

Performance

XUSF.TO vs. ZWK.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in iShares S&P U.S. Financials Index ETF (XUSF.TO) and BMO Covered Call US Banks ETF (ZWK.TO). The values are adjusted to include any dividend payments, if applicable.

XUSF.TO vs. ZWK.TO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
XUSF.TO iShares S&P U.S. Financials Index ETF	-8.65%	9.67%	39.77%	8.23%
ZWK.TO BMO Covered Call US Banks ETF	-2.90%	16.61%	40.99%	12.18%

Returns By Period

In the year-to-date period, XUSF.TO achieves a -8.65% return, which is significantly lower than ZWK.TO's -2.90% return.

XUSF.TO

• 1D: 3.72%
• 1M: -1.34%
• YTD: -8.65%
• 6M: -7.69%
• 1Y: -1.44%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ZWK.TO

• 1D: 3.43%
• 1M: -1.26%
• YTD: -2.90%
• 6M: 2.19%
• 1Y: 18.42%
• 3Y*: 21.66%
• 5Y*: 5.11%
• 10Y*: —

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

XUSF.TO vs. ZWK.TO - Expense Ratio Comparison

XUSF.TO has a 0.25% expense ratio, which is lower than ZWK.TO's 0.65% expense ratio.

ZWK.TO

BMO Covered Call US Banks ETF

XUSF.TO

iShares S&P U.S. Financials Index ETF

Return for Risk

XUSF.TO vs. ZWK.TO — Risk / Return Rank

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

XUSF.TO

XUSF.TO Risk / Return Rank: 10
XUSF.TO Sharpe Ratio Rank: 10
XUSF.TO Sortino Ratio Rank: 10
XUSF.TO Omega Ratio Rank: 10
XUSF.TO Calmar Ratio Rank: 10
XUSF.TO Martin Ratio Rank: 10

ZWK.TO

ZWK.TO Risk / Return Rank: 40
ZWK.TO Sharpe Ratio Rank: 37
ZWK.TO Sortino Ratio Rank: 35
ZWK.TO Omega Ratio Rank: 40
ZWK.TO Calmar Ratio Rank: 48
ZWK.TO Martin Ratio Rank: 38

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.

XUSF.TO vs. ZWK.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P U.S. Financials Index ETF (XUSF.TO) and BMO Covered Call US Banks ETF (ZWK.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.

	XUSF.TO	ZWK.TO	Difference
Sharpe ratio Return per unit of total volatility	-0.06	0.72	-0.79
Sortino ratio Return per unit of downside risk	0.06	1.04	-0.98
Omega ratio Gain probability vs. loss probability	1.01	1.16	-0.15
Calmar ratio Return relative to maximum drawdown	-0.10	1.28	-1.37
Martin ratio Return relative to average drawdown	-0.26	3.61	-3.87
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XUSF.TO vs. ZWK.TO - Sharpe Ratio Comparison

The current XUSF.TO Sharpe Ratio is -0.06, which is lower than the ZWK.TO Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of XUSF.TO and ZWK.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

	XUSF.TO	ZWK.TO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.06	0.72	-0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.21	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.96	0.20	+0.77

Correlation

The correlation between XUSF.TO and ZWK.TO is 0.55, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

XUSF.TO vs. ZWK.TO - Dividend Comparison

XUSF.TO's dividend yield for the trailing twelve months is around 0.93%, less than ZWK.TO's 6.79% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019
XUSF.TO iShares S&P U.S. Financials Index ETF	0.93%	0.75%	0.81%	0.34%	0.00%	0.00%	0.00%	0.00%
ZWK.TO BMO Covered Call US Banks ETF	6.79%	6.49%	7.05%	10.38%	8.21%	6.54%	8.46%	5.11%

Drawdowns

XUSF.TO vs. ZWK.TO - Drawdown Comparison

The maximum XUSF.TO drawdown since its inception was -16.88%, smaller than the maximum ZWK.TO drawdown of -48.02%. Use the drawdown chart below to compare losses from any high point for XUSF.TO and ZWK.TO.

Drawdown Indicators

	XUSF.TO	ZWK.TO	Difference
Max Drawdown Largest peak-to-trough decline	-16.88%	-48.02%	+31.14%
Max Drawdown (1Y) Largest decline over 1 year	-14.66%	-16.24%	+1.58%
Max Drawdown (5Y) Largest decline over 5 years	—	-48.02%	—
Current Drawdown Current decline from peak	-11.42%	-10.07%	-1.35%
Average Drawdown Average peak-to-trough decline	-3.12%	-16.73%	+13.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.58%	5.73%	-0.15%

Volatility

XUSF.TO vs. ZWK.TO - Volatility Comparison

The current volatility for iShares S&P U.S. Financials Index ETF (XUSF.TO) is 5.76%, while BMO Covered Call US Banks ETF (ZWK.TO) has a volatility of 6.50%. This indicates that XUSF.TO experiences smaller price fluctuations and is considered to be less risky than ZWK.TO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XUSF.TO	ZWK.TO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.76%	6.50%	-0.74%
Volatility (6M) Calculated over the trailing 6-month period	12.83%	15.48%	-2.65%
Volatility (1Y) Calculated over the trailing 1-year period	22.33%	25.71%	-3.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.34%	24.31%	-5.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.34%	28.77%	-10.43%