EMAX.TO vs. ZWEN.TO

Last updated Apr 1, 2026

Compare and contrast key facts about Hamilton Energy YIELD MAXIMIZER ETF (EMAX.TO) and BMO Covered Call Energy ETF (ZWEN.TO).

EMAX.TO and ZWEN.TO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. EMAX.TO is an actively managed fund by Hamilton Capital. It was launched on Feb 6, 2024. ZWEN.TO is an actively managed fund by BMO. It was launched on Jan 23, 2023.

Performance

EMAX.TO vs. ZWEN.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Hamilton Energy YIELD MAXIMIZER ETF (EMAX.TO) and BMO Covered Call Energy ETF (ZWEN.TO). The values are adjusted to include any dividend payments, if applicable.

EMAX.TO vs. ZWEN.TO - Yearly Performance Comparison

	2026 (YTD)	2025	2024
EMAX.TO Hamilton Energy YIELD MAXIMIZER ETF	31.32%	4.63%	3.60%
ZWEN.TO BMO Covered Call Energy ETF	31.77%	6.74%	10.05%

Returns By Period

The year-to-date returns for both investments are quite close, with EMAX.TO having a 31.32% return and ZWEN.TO slightly higher at 31.77%.

EMAX.TO

• 1D: -1.98%
• 1M: 11.00%
• YTD: 31.32%
• 6M: 31.82%
• 1Y: 30.39%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ZWEN.TO

• 1D: -0.75%
• 1M: 12.19%
• YTD: 31.77%
• 6M: 30.76%
• 1Y: 29.50%
• 3Y*: 18.70%
• 5Y*: —
• 10Y*: —

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

EMAX.TO vs. ZWEN.TO - Expense Ratio Comparison

EMAX.TO has a 0.65% expense ratio, which is lower than ZWEN.TO's 0.88% expense ratio.

ZWEN.TO

BMO Covered Call Energy ETF

EMAX.TO

Hamilton Energy YIELD MAXIMIZER ETF

Return for Risk

EMAX.TO vs. ZWEN.TO — Risk / Return Rank

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

EMAX.TO

EMAX.TO Risk / Return Rank: 59
EMAX.TO Sharpe Ratio Rank: 66
EMAX.TO Sortino Ratio Rank: 60
EMAX.TO Omega Ratio Rank: 65
EMAX.TO Calmar Ratio Rank: 60
EMAX.TO Martin Ratio Rank: 42

ZWEN.TO

ZWEN.TO Risk / Return Rank: 67
ZWEN.TO Sharpe Ratio Rank: 76
ZWEN.TO Sortino Ratio Rank: 69
ZWEN.TO Omega Ratio Rank: 74
ZWEN.TO Calmar Ratio Rank: 65
ZWEN.TO Martin Ratio Rank: 49

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.

EMAX.TO vs. ZWEN.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Hamilton Energy YIELD MAXIMIZER ETF (EMAX.TO) and BMO Covered Call Energy ETF (ZWEN.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.

	EMAX.TO	ZWEN.TO	Difference
Sharpe ratio Return per unit of total volatility	1.16	1.41	-0.25
Sortino ratio Return per unit of downside risk	1.55	1.78	-0.24
Omega ratio Gain probability vs. loss probability	1.24	1.28	-0.04
Calmar ratio Return relative to maximum drawdown	1.54	1.67	-0.13
Martin ratio Return relative to average drawdown	4.01	4.78	-0.77
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EMAX.TO vs. ZWEN.TO - Sharpe Ratio Comparison

The current EMAX.TO Sharpe Ratio is 1.16, which is comparable to the ZWEN.TO Sharpe Ratio of 1.41. The chart below compares the historical Sharpe Ratios of EMAX.TO and ZWEN.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

	EMAX.TO	ZWEN.TO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.16	1.41	-0.25
Sharpe Ratio (All Time) Calculated using the full available price history	0.81	0.90	-0.08

Correlation

The correlation between EMAX.TO and ZWEN.TO is 0.91, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

EMAX.TO vs. ZWEN.TO - Dividend Comparison

EMAX.TO's dividend yield for the trailing twelve months is around 9.29%, more than ZWEN.TO's 7.38% yield.

	TTM	2025	2024	2023
EMAX.TO Hamilton Energy YIELD MAXIMIZER ETF	9.29%	13.44%	12.31%	0.00%
ZWEN.TO BMO Covered Call Energy ETF	7.38%	9.53%	9.09%	8.27%

Drawdowns

EMAX.TO vs. ZWEN.TO - Drawdown Comparison

The maximum EMAX.TO drawdown since its inception was -27.55%, which is greater than ZWEN.TO's maximum drawdown of -18.75%. Use the drawdown chart below to compare losses from any high point for EMAX.TO and ZWEN.TO.

Drawdown Indicators

	EMAX.TO	ZWEN.TO	Difference
Max Drawdown Largest peak-to-trough decline	-27.55%	-18.75%	-8.80%
Max Drawdown (1Y) Largest decline over 1 year	-20.97%	-18.75%	-2.22%
Current Drawdown Current decline from peak	-3.30%	-1.02%	-2.28%
Average Drawdown Average peak-to-trough decline	-9.52%	-4.37%	-5.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.03%	6.54%	+1.49%

Volatility

EMAX.TO vs. ZWEN.TO - Volatility Comparison

Hamilton Energy YIELD MAXIMIZER ETF (EMAX.TO) has a higher volatility of 5.45% compared to BMO Covered Call Energy ETF (ZWEN.TO) at 4.12%. This indicates that EMAX.TO's price experiences larger fluctuations and is considered to be riskier than ZWEN.TO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EMAX.TO	ZWEN.TO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.45%	4.12%	+1.33%
Volatility (6M) Calculated over the trailing 6-month period	13.03%	10.83%	+2.20%
Volatility (1Y) Calculated over the trailing 1-year period	26.34%	21.06%	+5.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.14%	17.76%	+4.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.14%	17.76%	+4.38%