The BMO Covered Call Utilities ETF, trading under the ticker ZWU on the Toronto Stock Exchange, is an exchange-traded fund designed to provide investors with exposure to Canadian utilities, telecom, and pipeline companies. Its primary strategy involves writing covered call options on its holdings to generate enhanced monthly income, which typically results in a higher distribution yield compared to traditional equity ETFs. This fund is often considered by Canadian investors seeking regular income from a defensive sector of the economy. The ETF's structure aims to offer a balance between income generation and long-term capital appreciation potential from its underlying portfolio.
Fund Strategy and Objective
The BMO Covered Call Utilities ETF is structured to achieve two primary goals for investors. The fund seeks to provide a return that is similar to the return of exchange-traded funds that invest primarily in utilities companies. To accomplish this, it holds a portfolio of high-quality companies within the utilities, telecommunications, and pipeline sectors. The distinctive feature of ZWU is its use of a covered call writing strategy on its equity holdings. This involves selling call options on the stocks it owns, which generates premium income that is distributed to unitholders. This strategy is designed to provide enhanced monthly income, particularly in sideways or moderately rising markets, though it can limit upside participation during strong bull markets. The fund's objective explicitly includes generating income and providing long-term capital appreciation, making it a hybrid income and growth vehicle focused on a defensive sector.

Portfolio Composition and Holdings
The ETF invests in an equal weight portfolio of companies, meaning each holding represents a roughly similar portion of the fund's assets. This approach avoids over-concentration in any single stock. The portfolio is composed of companies from the utilities, telecoms, and pipeline industries, which are typically characterized by stable cash flows and regulatory frameworks. These sectors are often considered defensive because they provide essential services, leading to consistent demand regardless of economic conditions. The fund's holdings are selected from the Canadian market, providing investors with domestic exposure to these infrastructure and service providers. The covered call strategy is applied to this underlying portfolio, with the options premiums collected serving as the primary source of the fund's high distribution yield. The portfolio's focus on specific industries defines its risk and return profile.
- Utilities companies providing essential services like electricity, gas, and water.
- Telecommunications firms offering wired and wireless communication services.
- Pipeline companies involved in the transportation of oil and natural gas.
- An equal weight allocation methodology for portfolio construction.
- Canadian market exposure for all underlying holdings.
- Stocks selected for the purpose of writing covered call options against them.
Performance and Yield Characteristics
The covered call strategy employed by ZWU has a direct impact on its performance profile and income generation. By selling call options, the fund collects premiums which boost its distributable income, resulting in a yield that is significantly higher than that of a traditional utilities ETF that does not use options. Historical comparisons, such as those available through BMO's own ETF comparison tool, indicate that over long periods like ten years, the total return of a covered call ETF like ZWU can be different from a plain total return utilities ETF. The strategy tends to provide enhanced income and reduced volatility, as measured by a low beta, but may result in lower total return during periods of strong market appreciation for the underlying stocks. The fund's distributions are paid to investors on a monthly basis, providing a steady stream of cash flow. The trade-offs inherent in the strategy are important for investors to consider.
- Generates enhanced monthly income through covered call option premiums.
- Historically, total return over a ten-year period can differ from a standard utilities ETF.
- Aims to provide reduced portfolio volatility compared to the underlying equities.
- Distributions are paid to unitholders on a monthly schedule.
- The strategy can limit participation in significant upside price moves of the held stocks.
- Performance is designed for income generation in various market conditions.

Costs and Fees for Investors
Investing in the BMO Covered Call Utilities ETF involves a management fee, which is reflected in its expense ratio. The fund's net expense ratio is 0.65 percent, which covers the costs of portfolio management, administration, and the operational execution of the covered call strategy. This fee is deducted from the fund's assets and impacts its net asset value. When comparing ETFs, the expense ratio is a key consideration as it directly reduces investor returns. The fee for ZWU is in line with the typical cost structure for actively managed or enhanced strategy ETFs in Canada, which is generally higher than that of a plain passive index ETF. Investors should consider this cost in the context of the fund's income-generating strategy and their own investment objectives.
How Canadians Can Hold and Trade ZWU
The BMO Covered Call Utilities ETF is a Canadian-domiciled fund that trades in Canadian dollars on the Toronto Stock Exchange under the symbol ZWU. This makes it easily accessible for Canadian investors through any standard brokerage account. The fund's units are eligible to be held in registered tax-advantaged accounts such as a Tax-Free Savings Account (TFSA) or a Registered Retirement Savings Plan (RRSP). Holding the ETF in a TFSA allows the monthly distributions and any capital gains to grow and be withdrawn tax-free. Holding it within an RRSP provides tax-deferred growth, with taxes applicable upon withdrawal in retirement. The fund does not have a direct US-listed equivalent, so Canadian investors do not need to deal with currency conversion or US account structures to invest. The accessibility features are straightforward for domestic investors.
- Trades on the Toronto Stock Exchange (TSX) under the ticker ZWU.
- All transactions are conducted in Canadian dollars (CAD).
- Eligible for holding within a Tax-Free Savings Account (TFSA).
- Eligible for holding within a Registered Retirement Savings Plan (RRSP).
- Accessible through any Canadian discount or full-service brokerage.
- No US listing or currency conversion is required for Canadian investors.

Key Risks and Considerations
Investing in ZWU involves several specific risks that are important to understand. The covered call strategy itself carries the risk of capping potential gains. If the price of the underlying stocks rises sharply, the sold call options may be exercised, forcing the fund to sell stocks at the strike price and forgo further appreciation. The fund's focus on the utilities, telecom, and pipeline sectors subjects it to sector-specific risks such as regulatory changes, interest rate sensitivity, and environmental factors. While the strategy aims to provide income and reduce volatility, the fund's unit price and distributions are not guaranteed and will fluctuate with market conditions. The distributions are composed of a combination of option premiums, dividends, and capital gains, which have different tax treatments if held in a non-registered account. Finally, past performance of the covered call strategy, including comparisons to total return ETFs, is not indicative of future results.
Frequently asked questions
What is the BMO Covered Call Utilities ETF (ZWU)?
The BMO Covered Call Utilities ETF (ZWU) is designed to provide exposure to an equal weight portfolio of utilities, telecoms and pipeline companies. The ETF seeks to generate income and provide long-term capital appreciation. It is one of the largest and most liquid ETFs in Canada. Its objective is to provide a return that is similar to the return of one or more exchange traded funds that invest primarily in utilities companies.
What is the yield and expense ratio for ZWU?
The BMO Covered Call Utilities ETF has a yield of 7.82 percent. The fund has a net expense ratio of 0.65 percent. All prices and returns are as of market close on September 30, 2026. The fund's current price and performance history are detailed in its key metrics.
How does ZWU's covered call strategy work?
The BMO Covered Call Utilities ETF writes covered call options on its portfolio holdings. This strategy is used to generate extra income for the fund. The income earned from these options contributes to the fund's distributions. The fund invests primarily in utilities companies to provide the underlying exposure for this strategy.
Can I hold ZWU in my TFSA or RRSP?
The BMO Covered Call Utilities ETF is a Canadian exchange traded fund listed on the Toronto Stock Exchange. Products and services of BMO Global Asset Management are only offered in jurisdictions where they may be lawfully offered for sale. The information on the fund's website is for informational purposes only. Investors should consult their own advisors to determine account eligibility.
What are the main risks of investing in ZWU?
Past performance of the BMO Covered Call Utilities ETF is not indicative of future results. The information provided should not be construed as investment advice or relied upon in making an investment decision. All products and services are subject to the terms of applicable agreements. The fund's portfolio weights and returns are subject to market fluctuations.
How does ZWU differ from a regular utilities ETF?
The BMO Covered Call Utilities ETF uses a covered call strategy on its holdings. A comparison over a ten year period shows the total return for a covered call utility ETF can be almost half that of a total return utilities ETF. The covered call strategy aims to generate income from option premiums. A regular utilities ETF typically seeks to track the performance of a utilities index without using options.
Sources and further reading
- ZWU, BMO Covered Call Utilities ETF bmoetfs.ca
This article explains how things work and is not financial, tax or legal advice. Rules, limits and rates change, so check the current figures with the Canada Revenue Agency, your province or your financial institution before you act.